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Technical Data Sheet
PartsTable / O-RING / 54A50C116-9
54A50C116-9 ✓ 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 O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER SYNTHETIC, center_hole_diameter: 3.857 INCHES MINIMUM AND 3.862 INCHES MAXIMUM IN, cross-sectional_height: 0.137 INCHES MINIMUM AND 0.141 INCHES MAXIMUM IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-762-7483, 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
54A50C116-9
NSN: 5331-00-762-7483
FSC: 5331 — O-RING
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC
center_hole_diameter3.857 INCHES MINIMUM AND 3.862 INCHES MAXIMUM IN
cross-sectional_height0.137 INCHES MINIMUM AND 0.141 INCHES MAXIMUM IN
NSN5331-00-762-7483
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 54A50C116-9 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
•
CROSS-SECTIONAL HEIGHT: 0.137 INCHES MINIMUM AND 0.141 INCHES MAXIMUM IN
•
MATERIAL: RUBBER SYNTHETIC
•
CENTER HOLE DIAMETER: 3.857 INCHES MINIMUM AND 3.862 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL HEIGHT0.137 INCHES MINIMUM AND 0.141 INCHES MAXIMUM IN
MATERIALRUBBER SYNTHETIC
CENTER HOLE DIAMETER3.857 INCHES MINIMUM AND 3.862 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
21309Interchangeable
interchangeable cross-reference
interchangeable
207849Interchangeable
interchangeable cross-reference
interchangeable
151-6Interchangeable
interchangeable cross-reference
interchangeable
QQ-A-200/3Interchangeable
interchangeable cross-reference
interchangeable
AND10133-0601/QQ-A-200/3-T3510Interchangeable
interchangeable cross-reference
interchangeable
1199973Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 54A50C116-9?
54A50C116-9 is a O-RING.
What parts can replace 54A50C116-9?
There are 15 known substitutes for 54A50C116-9: 21309, 207849, 151-6 and 12 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 54A50C116-9?
54A50C116-9 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-762-7483. 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