NSN 4820-00-288-7284 Repair Services

Safety Relief Valve Overhaul, Repair, and Maintenance

MPN: 39J921PC15, 39J921PC1T014, 20138A51SS, A6600, T5599158PC15, W6680762PC15, W8453359PC15, W8453359PC1T014

Pricing and Lead Time Quote

Submit this form and receive an overhaul/repair pricing and lead time quote for NSN 4820-00-288-7284 safety relief valve
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NSN 4820002887284


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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 4820-00-288-7284 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 4820-00-288-7284 can be offered in repaired, serviceable, overhauled, or inspected conditions.
National Stock Number (NSN) 4820-00-288-7284
Categorization Safety or relief valves
Repairability Code

Approximate Weight 2.0lb
Flow Control Device Disk
Disk Loading Method Spring
Bolt Hole Quantity 4 all ends
Maximum Operating Temp 500.0 degrees fahrenheit single response
Valve Operation Method Automatic or manual
Flange Shape Round with holes all ends
Connection Type Flange all ends
Valve Size 0.500 inches
Adjustable Pressure Range +5.0/+9.0 pounds per square inch
Maximum Operating Pressure 275.0 pounds per square inch single response
Thread Size 0.500 inches 1st end
Outside Diameter 4.250 inches all ends
Thickness 0.562 inches all ends
First Connection Face To Centerline Distance 3.250 inches
Bolt Hole Diameter 0.625 inches all ends
Second Connection Face To Centerline Distance 3.500 inches
Bolt Circle Diameter 3.125 inches all ends
Flange Face Design Raised straight all ends
Raised Face Height 0.062 inches all ends
Raised Face Diameter 2.500 inches all ends
Material Steel body
Media For Which Designed Steam single response
Style Designator Angle flanged ends

Part Numbers

Part Number Company RNAAC (Repair Depot)
39J921PC15 NORTHROP GRUMMAN SYSTEMS CORPORATION AX - DLA LAND AND MARITIME
39J921PC1T014 NORTHROP GRUMMAN SYSTEMS CORPORATION AX - DLA LAND AND MARITIME
39J921PC15 WESTINGHOUSE ELECTRIC CORP AX - DLA LAND AND MARITIME
39J921PC1T014 WESTINGHOUSE ELECTRIC CORP AX - DLA LAND AND MARITIME
20138A51SS PENTAIR VALVES & CONTROLS US LP ZZ - USA
A6600 PENTAIR VALVES & CONTROLS US LP ZZ - USA
20138A51SS ANDERSON GREENWOOD LP ZZ - USA
A6600 ANDERSON GREENWOOD LP ZZ - USA
39J921PC15 WESTINGHOUSE ELECTRIC CORP XX -
39J921PC1T014 WESTINGHOUSE ELECTRIC CORP XX -
T5599158PC15 GENERAL ELECTRIC COMPANY XX -
W6680762PC15 GENERAL ELECTRIC COMPANY XX -
W8453359PC15 GENERAL ELECTRIC COMPANY XX -
W8453359PC1T014 GENERAL ELECTRIC COMPANY XX -