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5B3718 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

5B3718: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OR RUBBER POLYESTER URETHANE CLASS AU OR RUBBER POLYETHER URETHANE CLASS EU, cross-sectional_height: 0.188 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5331-00-198-6169, 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
5B3718
NSN: 5331-00-198-6169
NIINs: 001986169, 013062728
FSC: 5331 — O-ring
CAGE: ZA045 — WILLIAM ADAMS PTY LTD (AUS)
SPECIFICATIONS
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OR RUBBER POLYESTER URETHANE CLASS AU OR RUBBER POLYETHER URETHANE CLASS EU
cross-sectional_height0.188 INCHES NOMINAL IN
NSN5331-00-198-6169
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 5B3718 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: 0.188 INCHES NOMINAL IN
•
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OR RUBBER POLYESTER URETHANE CLASS AU OR RUBBER POLYETHER URETHANE CLASS EU
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.188 INCHES NOMINAL IN
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OR RUBBER POLYESTER URETHANE CLASS AU OR RUBBER POLYETHER URETHANE CLASS EU
SUBSTITUTES & CROSS-REFERENCES 6
3214544Reference document
Same NSN cross-reference
Reference document — Secondary reference
H3527Reference document
Same NSN cross-reference
Reference document — Secondary reference
3238262Reference document
Same NSN cross-reference
Reference document — Secondary reference
3213056Reference document
Same NSN cross-reference
Reference document — Secondary reference
H3527AReference document
Same NSN cross-reference
Reference document — Secondary reference
H3527BReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Shelf-life managedAcquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 5B3718?
5B3718 is a O-RING.
What parts can replace 5B3718?
There are 6 known substitutes for 5B3718: 3214544, H3527, 3238262 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 5B3718?
5B3718 is cataloged in the U.S. Government catalog under NSN 5331-00-198-6169. This indicates validated use in U.S. government and defense supply chains.
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