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Technical Data Sheet
PartsTable / O-RING / 3180988-05
3180988-05 ✓ 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 CHLOROPRENE CLASS CR, temp_rating: -60.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF, hardness_rating: 70.0 SHORE DUROMETER A NOMINAL, outside_diameter: 6.397 INCHES MINIMUM AND 6.489 INCHES MAXIMUM IN, center_hole_diameter: 6.212 INCHES MINIMUM AND 6.262 INCHES MAXIMUM IN, cross-sectional_height: 0.100 INCHES MINIMUM AND 0.106 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 5331-00-449-2471, 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
3180988-05
NSN: 5331-00-449-2471
FSC: 5331 — O-RING
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
materialRUBBER CHLOROPRENE CLASS CR
temp_rating-60.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF
hardness_rating70.0 SHORE DUROMETER A NOMINAL
outside_diameter6.397 INCHES MINIMUM AND 6.489 INCHES MAXIMUM IN
center_hole_diameter6.212 INCHES MINIMUM AND 6.262 INCHES MAXIMUM IN
cross-sectional_height0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
NSN5331-00-449-2471
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 3180988-05 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
•
OUTSIDE DIAMETER: 6.397 INCHES MINIMUM AND 6.489 INCHES MAXIMUM IN
•
CROSS-SECTIONAL HEIGHT: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
•
CENTER HOLE DIAMETER: 6.212 INCHES MINIMUM AND 6.262 INCHES MAXIMUM IN
•
HARDNESS RATING: 70.0 SHORE DUROMETER A NOMINAL
•
TEMP RATING: -60.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF
•
MATERIAL: RUBBER CHLOROPRENE CLASS CR
TECHNICAL CHARACTERISTICS (FLIS)
OUTSIDE DIAMETER6.397 INCHES MINIMUM AND 6.489 INCHES MAXIMUM IN
CROSS-SECTIONAL HEIGHT0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
CENTER HOLE DIAMETER6.212 INCHES MINIMUM AND 6.262 INCHES MAXIMUM IN
HARDNESS RATING70.0 SHORE DUROMETER A NOMINAL
TEMP RATING-60.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF
MATERIALRUBBER CHLOROPRENE CLASS CR
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
2164Interchangeable
interchangeable cross-reference
interchangeable
MIL-P-16208 TY1Interchangeable
interchangeable cross-reference
interchangeable
MIL-P-16208Interchangeable
interchangeable cross-reference
interchangeable
154-029-0002Interchangeable
interchangeable cross-reference
interchangeable
425-0010-00Interchangeable
interchangeable cross-reference
interchangeable
60E30-6Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 3180988-05?
3180988-05 is a O-RING.
What parts can replace 3180988-05?
There are 13 known substitutes for 3180988-05: 2164, MIL-P-16208 TY1, MIL-P-16208 and 10 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 3180988-05?
3180988-05 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-449-2471. This indicates validated use in U.S. government and defense supply chains.
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PartsTable Design LLC · partstable.com
Last verified: July 2026