NSN 4820-00-528-2358 Repair Services

Check Valve Overhaul, Repair, and Maintenance

MPN: 4415, 2291, 2291M, AN6035-1, 8148650, 11370, MS21211-6

Pricing and Lead Time Quote

Submit this form and receive an overhaul/repair pricing and lead time quote for NSN 4820-00-528-2358 check valve
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NSN 4820005282358


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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 4820-00-528-2358 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 4820-00-528-2358 can be offered in repaired, serviceable, overhauled, or inspected conditions.
National Stock Number (NSN) 4820-00-528-2358
Categorization Check valves of copper having a pressure rating of 850 kpa or over
Repairability Code

Approximate Weight 20.0lb
Pipe Size Accommodated 0.250 inches 2nd end
Thread Class 3a 1st end
Thread Direction Right-hand 1st end
Flow Control Device Cone
Connection Style Inverted flare (tube) 2nd end
Connection Type Threaded external tube 1st end
Mounting Position Horizontal
Thready Qty Per Inch (tpi) 20 1st end
Maximum Operating Pressure 450.0 pounds per square inch single response
Thread Size 0.500 inches 1st end
Seat Angle 37.0 degrees 1st end
Outside Diameter Tube Accommodated 0.312 inches 1st end
Media For Which Designed Oxygen, gaseous single response
Style Designator Straight thru
Test Data Document 81349-mil-v-7908 specification (includes engineering type bulletins, brochures, etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "", etc.).
Thread Series Designator Unf 1st end
Nondefinitive Specification/std Data F style

Part Numbers

Part Number Company RNAAC (Repair Depot)
4415 FLUID POWER INC MF - ENGINEERING DATA SUPPORT CENTER
2291 SCOVILL INC MF - ENGINEERING DATA SUPPORT CENTER
2291M SCOVILL INC MF - ENGINEERING DATA SUPPORT CENTER
AN6035-1 AERONAUTICAL STANDARDS GROUP SB - 645 MSSQ/MSIAPCS
8148650 AIR FORCE UNITED STATES DEPARTMENT SB - 645 MSSQ/MSIAPCS
11370 INGERSOLL-RAND CO SB - 645 MSSQ/MSIAPCS
11370 INGERSOLL-RAND COMPANY ZZ - USA
MS21211-6 MILITARY STANDARDS XX -