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Technical Data Sheet
PartsTable / COMPONENT / 531701
531701 ✓ Verified by PartsTable
— · ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

The CYLINDER ASSEMBLY,REACTION is a the manufacturer industrial component. Key specifications include specific_usage_design: AIRCRAFT ACCESSORY EQUIPMENT, end_item_identification: B-1B AIRCRAFT. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-521-5425, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
531701
NSN: 5340-00-521-5425
FSC: 5340
CAGE: 23382 — FWD SEAGRAVE HOLDINGS LP (USA)
SPECIFICATIONS
specific_usage_designAIRCRAFT ACCESSORY EQUIPMENT
end_item_identificationB-1B AIRCRAFT
NSN5340-00-521-5425
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 531701 MFR: OEM ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
MATERIAL: STEEL OVERALL
•
HANDLE CLEARANCE: 1.000 INCHES NOMINAL IN
•
MOUNTING FACILITY QUANTITY: 2
•
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH: 4.219 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL OVERALL
OVERALL LENGTH5.000 INCHES NOMINAL IN
HANDLE CLEARANCE1.000 INCHES NOMINAL IN
MOUNTING FACILITY QUANTITY2
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH4.219 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 21
9611Upgraded Successor
successor cross-reference
successor
73313Upgraded Successor
successor cross-reference
successor
SM-D-502405Interchangeable
interchangeable cross-reference
interchangeable
SM-C-502405Interchangeable
interchangeable cross-reference
interchangeable
5-918300008Interchangeable
interchangeable cross-reference
interchangeable
4730PL0867868Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 531701?
531701 is a CYLINDER ASSEMBLY,REACTION.
What parts can replace 531701?
There are 21 known substitutes for 531701: 9611, 73313, SM-D-502405 and 18 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 531701?
531701 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-521-5425. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026