NSN 4820-00-202-8221 Repair Services

Safety Relief Valve Overhaul, Repair, and Maintenance

MPN: BB55S47-102PC373, BB55S47-103PC373, CA68S5505-105ALT2PC162, CA68S5505-111ALT2PC162, CA68S5505-125PC173, CA68S5505-126PC173, CA68S5505-93ALT3PC501T0506, CA68S5505-94ALT2PC501T0506, CB1S4700-20ALT6PC501T0506, CB1S4700-20PC501T0506, CB1S4700-21ALT6PC501T0506, CB1S4700-29ALT6PC501T0506, CA122S5505-179253PC501T0506, CA68S5505-101ALT2PC501T0506, CA68S5505-102ALT1PC501T0506, CL103S4700-309876PC501T0506, CB1S4700-32PC162, CB1S4700-38PC162, CL55S47-80ALT6PC501T0506, CL55S47-81ALT6PC501T0506, CL55S47-88ALT6PC501T0506, CL55S47-89ALT6PC501T0506, CL55S47-92PC162, CL55S47-98PC162, CL55S4700-28ALT6PC501T0506, CV22S47-80ALT6PC501T0506, CV22S47-81ALT6PC501T0506, CV22S47-88ALT6PC501T0506, CV22S47-89ALT6PC501T0506, CV22S47-92PC162, CV22S47-98PC162, CVL48S5501-478939PC173, CVL48S5501-478940PC173, CVL48S5501-478970PC501T0506, CVL48S5501-47897501T0506, CVL48S5501-478978PC501T0506, CVL48S5501-478981PC51T0506, CVL48S5501-478982ALT3PC162, CVL48S5501-478988ALT3PC162, DD445S4601-249PC1PC501T0506, DD445S4601-250PC501T0506, DD445S4601-257PC501T0506, DD445S4601-258PC501T0506, DD445S4601-261ALT1PC162, D15-653APC501T0506, D15-653BPC501T0506, D15-649-501-506, D15-649-501T0506-512, D15-649BPC50T05 06, D15-649JPC501T0506, D15-649MPC501T0506, D15-653IPC501T0506, D15-653JPC501T0506, D15-675MPC501T0506, D15-675MPC501T0506-508, D15-675APC501T0506, D15-675BPC501T0506, D15-675IPC501T0506, D15-675JPC501T0506, D15-683-501T0506-508, D15-683APC501T0506-508, D15-683EPC501T0506, C2555-1DPC373, 3456-162, C2555-2DPC373, C3456-1PC162, C3456-8PC162, C3457-1PC162, C3591-1PC162, C3591-8PC162, C3593-1PC173, C3593-2PC173, D15-649BPC501T0506, D15-683EPC501T0506-508, D15-649-501T506

Pricing and Lead Time Quote

Submit this form and receive an overhaul/repair pricing and lead time quote for NSN 4820-00-202-8221 safety relief valve
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NSN 4820002028221


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AS9120B:2015 ISO 9001 Audited and Certified

FAA and EASA Part 145 Certified Repair Stations Ensuring the highest standards of quality and compliance for our clients' needs.

We specialize in the repair and refurbishment of nsn components. From mechanical assemblies to rotor blades, our comprehensive capabilities cover a wide range of NSN parts, providing cost effective solutions to extend the operational life of vital equipment.

NSN 4820-00-202-8221 has been designated as a repairable item and has been included in our capabilities catalog. If you require overhaul or repair services use the form on this page to send us your information. We will provide you with a lead time and price quote.

Repairability and Datasheet

NSN 4820-00-202-8221 can be offered in repaired, serviceable, overhauled, or inspected conditions.
National Stock Number (NSN) 4820-00-202-8221
Categorization Safety or relief valves
Repairability Code

Approximate Weight 0.0lb
Pipe Size Accommodated 0.375 inches all ends
Thread Direction Right-hand all ends
Flow Control Device Poppet
Disk Loading Method Spring
Connection Style Plain (pipe) all ends
Valve Operation Method Automatic
Connection Type Threaded external pipe all ends
Thready Qty Per Inch (tpi) 18 1st end
Thread Size 0.375 inches all ends
Opening Pressure Setting 20.0 pounds per square inch
Material Steel stem
Style Designator Angle
Thread Series Designator Npt all ends

Part Numbers

Part Number Company RNAAC (Repair Depot)
BB55S47-102PC373 NAVAL SHIP SYSTEMS COMMAND AX - DLA LAND AND MARITIME
BB55S47-103PC373 NAVAL SHIP SYSTEMS COMMAND AX - DLA LAND AND MARITIME
CA68S5505-105ALT2PC162 NAVAL SHIP SYSTEMS COMMAND AX - DLA LAND AND MARITIME
CA68S5505-111ALT2PC162 NAVAL SHIP SYSTEMS COMMAND AX - DLA LAND AND MARITIME
CA68S5505-125PC173 NAVAL SHIP SYSTEMS COMMAND AX - DLA LAND AND MARITIME
CA68S5505-126PC173 NAVAL SHIP SYSTEMS COMMAND AX - DLA LAND AND MARITIME
CA68S5505-93ALT3PC501T0506 NAVAL SHIP SYSTEMS COMMAND AX - DLA LAND AND MARITIME
CA68S5505-94ALT2PC501T0506 NAVAL SHIP SYSTEMS COMMAND AX - DLA LAND AND MARITIME
CB1S4700-20ALT6PC501T0506 NAVAL SHIP SYSTEMS COMMAND AX - DLA LAND AND MARITIME
CB1S4700-20PC501T0506 NAVAL SHIP SYSTEMS COMMAND AX - DLA LAND AND MARITIME
CB1S4700-21ALT6PC501T0506 NAVAL SHIP SYSTEMS COMMAND AX - DLA LAND AND MARITIME
CB1S4700-29ALT6PC501T0506 NAVAL SHIP SYSTEMS COMMAND AX - DLA LAND AND MARITIME
CA122S5505-179253PC501T0506 NAVAL SHIP SYSTEMS COMMAND AX - DLA LAND AND MARITIME
CA68S5505-101ALT2PC501T0506 NAVAL SHIP SYSTEMS COMMAND AX - DLA LAND AND MARITIME
CA68S5505-102ALT1PC501T0506 NAVAL SHIP SYSTEMS COMMAND AX - DLA LAND AND MARITIME
CL103S4700-309876PC501T0506 NAVAL SHIP SYSTEMS COMMAND AX - DLA LAND AND MARITIME
CB1S4700-32PC162 NAVAL SHIP SYSTEMS COMMAND AX - DLA LAND AND MARITIME
CB1S4700-38PC162 NAVAL SHIP SYSTEMS COMMAND AX - DLA LAND AND MARITIME
CL55S47-80ALT6PC501T0506 NAVAL SHIP SYSTEMS COMMAND AX - DLA LAND AND MARITIME
CL55S47-81ALT6PC501T0506 NAVAL SHIP SYSTEMS COMMAND AX - DLA LAND AND MARITIME
CL55S47-88ALT6PC501T0506 NAVAL SHIP SYSTEMS COMMAND AX - DLA LAND AND MARITIME
CL55S47-89ALT6PC501T0506 NAVAL SHIP SYSTEMS COMMAND AX - DLA LAND AND MARITIME
CL55S47-92PC162 NAVAL SHIP SYSTEMS COMMAND AX - DLA LAND AND MARITIME
CL55S47-98PC162 NAVAL SHIP SYSTEMS COMMAND AX - DLA LAND AND MARITIME
CL55S4700-28ALT6PC501T0506 NAVAL SHIP SYSTEMS COMMAND AX - DLA LAND AND MARITIME
CV22S47-80ALT6PC501T0506 NAVAL SHIP SYSTEMS COMMAND AX - DLA LAND AND MARITIME
CV22S47-81ALT6PC501T0506 NAVAL SHIP SYSTEMS COMMAND AX - DLA LAND AND MARITIME
CV22S47-88ALT6PC501T0506 NAVAL SHIP SYSTEMS COMMAND AX - DLA LAND AND MARITIME
CV22S47-89ALT6PC501T0506 NAVAL SHIP SYSTEMS COMMAND AX - DLA LAND AND MARITIME
CV22S47-92PC162 NAVAL SHIP SYSTEMS COMMAND AX - DLA LAND AND MARITIME
CV22S47-98PC162 NAVAL SHIP SYSTEMS COMMAND AX - DLA LAND AND MARITIME
CVL48S5501-478939PC173 NAVAL SHIP SYSTEMS COMMAND AX - DLA LAND AND MARITIME
CVL48S5501-478940PC173 NAVAL SHIP SYSTEMS COMMAND AX - DLA LAND AND MARITIME
CVL48S5501-478970PC501T0506 NAVAL SHIP SYSTEMS COMMAND AX - DLA LAND AND MARITIME
CVL48S5501-47897501T0506 NAVAL SHIP SYSTEMS COMMAND AX - DLA LAND AND MARITIME
CVL48S5501-478978PC501T0506 NAVAL SHIP SYSTEMS COMMAND AX - DLA LAND AND MARITIME
CVL48S5501-478981PC51T0506 NAVAL SHIP SYSTEMS COMMAND AX - DLA LAND AND MARITIME
CVL48S5501-478982ALT3PC162 NAVAL SHIP SYSTEMS COMMAND AX - DLA LAND AND MARITIME
CVL48S5501-478988ALT3PC162 NAVAL SHIP SYSTEMS COMMAND AX - DLA LAND AND MARITIME
DD445S4601-249PC1PC501T0506 NAVAL SHIP SYSTEMS COMMAND AX - DLA LAND AND MARITIME
DD445S4601-250PC501T0506 NAVAL SHIP SYSTEMS COMMAND AX - DLA LAND AND MARITIME
DD445S4601-257PC501T0506 NAVAL SHIP SYSTEMS COMMAND AX - DLA LAND AND MARITIME
DD445S4601-258PC501T0506 NAVAL SHIP SYSTEMS COMMAND AX - DLA LAND AND MARITIME
DD445S4601-261ALT1PC162 NAVAL SHIP SYSTEMS COMMAND AX - DLA LAND AND MARITIME
D15-653APC501T0506 NORTHROP GRUMMAN SYSTEMS CORPORATION AX - DLA LAND AND MARITIME
D15-653BPC501T0506 NORTHROP GRUMMAN SYSTEMS CORPORATION AX - DLA LAND AND MARITIME
D15-649-501-506 NORTHROP GRUMMAN SYSTEMS CORPORATION AX - DLA LAND AND MARITIME
D15-649-501T0506-512 NORTHROP GRUMMAN SYSTEMS CORPORATION AX - DLA LAND AND MARITIME
D15-649BPC50T05 06 NORTHROP GRUMMAN SYSTEMS CORPORATION AX - DLA LAND AND MARITIME
D15-649JPC501T0506 NORTHROP GRUMMAN SYSTEMS CORPORATION AX - DLA LAND AND MARITIME
D15-649MPC501T0506 NORTHROP GRUMMAN SYSTEMS CORPORATION AX - DLA LAND AND MARITIME
D15-653IPC501T0506 NORTHROP GRUMMAN SYSTEMS CORPORATION AX - DLA LAND AND MARITIME
D15-653JPC501T0506 NORTHROP GRUMMAN SYSTEMS CORPORATION AX - DLA LAND AND MARITIME
D15-675MPC501T0506 NORTHROP GRUMMAN SYSTEMS CORPORATION AX - DLA LAND AND MARITIME
D15-675MPC501T0506-508 NORTHROP GRUMMAN SYSTEMS CORPORATION AX - DLA LAND AND MARITIME
D15-675APC501T0506 NORTHROP GRUMMAN SYSTEMS CORPORATION AX - DLA LAND AND MARITIME
D15-675BPC501T0506 NORTHROP GRUMMAN SYSTEMS CORPORATION AX - DLA LAND AND MARITIME
D15-675IPC501T0506 NORTHROP GRUMMAN SYSTEMS CORPORATION AX - DLA LAND AND MARITIME
D15-675JPC501T0506 NORTHROP GRUMMAN SYSTEMS CORPORATION AX - DLA LAND AND MARITIME
D15-683-501T0506-508 NORTHROP GRUMMAN SYSTEMS CORPORATION AX - DLA LAND AND MARITIME
D15-683APC501T0506-508 NORTHROP GRUMMAN SYSTEMS CORPORATION AX - DLA LAND AND MARITIME
D15-683EPC501T0506 NORTHROP GRUMMAN SYSTEMS CORPORATION AX - DLA LAND AND MARITIME
C2555-1DPC373 EX-CELL-O CORP MACHINE TOOL PRODUCTS AX - DLA LAND AND MARITIME
3456-162 EX-CELL-O CORP MACHINE TOOL PRODUCTS AX - DLA LAND AND MARITIME
C2555-2DPC373 EX-CELL-O CORP MACHINE TOOL PRODUCTS AX - DLA LAND AND MARITIME
C3456-1PC162 EX-CELL-O CORP MACHINE TOOL PRODUCTS AX - DLA LAND AND MARITIME
C3456-8PC162 EX-CELL-O CORP MACHINE TOOL PRODUCTS AX - DLA LAND AND MARITIME
C3457-1PC162 EX-CELL-O CORP MACHINE TOOL PRODUCTS AX - DLA LAND AND MARITIME
C3591-1PC162 EX-CELL-O CORP MACHINE TOOL PRODUCTS AX - DLA LAND AND MARITIME
C3591-8PC162 EX-CELL-O CORP MACHINE TOOL PRODUCTS AX - DLA LAND AND MARITIME
C3593-1PC173 EX-CELL-O CORP MACHINE TOOL PRODUCTS AX - DLA LAND AND MARITIME
C3593-2PC173 EX-CELL-O CORP MACHINE TOOL PRODUCTS AX - DLA LAND AND MARITIME
D15-649-501-506 WESTINGHOUSE ELECTRIC CORP AX - DLA LAND AND MARITIME
D15-649-501T0506-512 WESTINGHOUSE ELECTRIC CORP AX - DLA LAND AND MARITIME
D15-649BPC501T0506 WESTINGHOUSE ELECTRIC CORP AX - DLA LAND AND MARITIME
D15-649JPC501T0506 WESTINGHOUSE ELECTRIC CORP AX - DLA LAND AND MARITIME
D15-649MPC501T0506 WESTINGHOUSE ELECTRIC CORP AX - DLA LAND AND MARITIME
D15-653IPC501T0506 WESTINGHOUSE ELECTRIC CORP AX - DLA LAND AND MARITIME
D15-653JPC501T0506 WESTINGHOUSE ELECTRIC CORP AX - DLA LAND AND MARITIME
D15-653APC501T0506 WESTINGHOUSE ELECTRIC CORP AX - DLA LAND AND MARITIME
D15-653BPC501T0506 WESTINGHOUSE ELECTRIC CORP AX - DLA LAND AND MARITIME
D15-675APC501T0506 WESTINGHOUSE ELECTRIC CORP AX - DLA LAND AND MARITIME
D15-675BPC501T0506 WESTINGHOUSE ELECTRIC CORP AX - DLA LAND AND MARITIME
D15-675IPC501T0506 WESTINGHOUSE ELECTRIC CORP AX - DLA LAND AND MARITIME
D15-675JPC501T0506 WESTINGHOUSE ELECTRIC CORP AX - DLA LAND AND MARITIME
D15-675MPC501T0506-508 WESTINGHOUSE ELECTRIC CORP AX - DLA LAND AND MARITIME
D15-683-501T0506-508 WESTINGHOUSE ELECTRIC CORP AX - DLA LAND AND MARITIME
D15-683EPC501T0506 WESTINGHOUSE ELECTRIC CORP AX - DLA LAND AND MARITIME
D15-683-501T0506-508 WESTINGHOUSE ELECTRIC CORP AX - DLA LAND AND MARITIME
D15-683APC501T0506-508 WESTINGHOUSE ELECTRIC CORP AX - DLA LAND AND MARITIME
D15-683EPC501T0506-508 WESTINGHOUSE ELECTRIC CORP AX - DLA LAND AND MARITIME
D15-649-501-506 WESTINGHOUSE ELECTRIC CORP AX - DLA LAND AND MARITIME
D15-649-501T0506-512 WESTINGHOUSE ELECTRIC CORP AX - DLA LAND AND MARITIME
D15-649BPC501T0506 WESTINGHOUSE ELECTRIC CORP AX - DLA LAND AND MARITIME
D15-649JPC501T0506 WESTINGHOUSE ELECTRIC CORP AX - DLA LAND AND MARITIME
D15-649MPC501T0506 WESTINGHOUSE ELECTRIC CORP AX - DLA LAND AND MARITIME
D15-653APC501T0506 WESTINGHOUSE ELECTRIC CORP AX - DLA LAND AND MARITIME
D15-653IPC501T0506 WESTINGHOUSE ELECTRIC CORP AX - DLA LAND AND MARITIME
D15-653JPC501T0506 WESTINGHOUSE ELECTRIC CORP AX - DLA LAND AND MARITIME
D15-653BPC501T0506 WESTINGHOUSE ELECTRIC CORP AX - DLA LAND AND MARITIME
D15-675APC501T0506 WESTINGHOUSE ELECTRIC CORP AX - DLA LAND AND MARITIME
D15-675BPC501T0506 WESTINGHOUSE ELECTRIC CORP AX - DLA LAND AND MARITIME
D15-675MPC501T0506 WESTINGHOUSE ELECTRIC CORP AX - DLA LAND AND MARITIME
D15-675IPC501T0506 WESTINGHOUSE ELECTRIC CORP AX - DLA LAND AND MARITIME
D15-675JPC501T0506 WESTINGHOUSE ELECTRIC CORP AX - DLA LAND AND MARITIME
D15-649-501T506 WESTINGHOUSE ELECTRIC CORP ZZ - USA