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06689906303 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

06689906303: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR, center_hole_diameter: 11.850 INCHES MINIMUM AND 12.110 INCHES MAXIMUM IN, cross-sectional_height: 1.900 INCHES MINIMUM AND 2.060 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5331-01-185-8700, 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
06689906303
NSN: 5331-01-185-8700
FSC: 5331 — O-ring
CAGE: 15187 — EMERSON AUTOMATION SOLUTIONS FINAL CONTROL US LP DIV NAVY PRODUCT TEAM (USA)
SPECIFICATIONS
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
center_hole_diameter11.850 INCHES MINIMUM AND 12.110 INCHES MAXIMUM IN
cross-sectional_height1.900 INCHES MINIMUM AND 2.060 INCHES MAXIMUM IN
NSN5331-01-185-8700
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 06689906303 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: 1.900 INCHES MINIMUM AND 2.060 INCHES MAXIMUM IN
•
CENTER HOLE DIAMETER: 11.850 INCHES MINIMUM AND 12.110 INCHES MAXIMUM IN
•
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT1.900 INCHES MINIMUM AND 2.060 INCHES MAXIMUM IN
CENTER HOLE DIAMETER11.850 INCHES MINIMUM AND 12.110 INCHES MAXIMUM IN
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
SUBSTITUTES & CROSS-REFERENCES 3
9601 PIECE 4Reference document
Same NSN cross-reference
Reference document — Secondary reference
A6689.906.303Reference document
Same NSN cross-reference
Reference document — Secondary reference
A6481.906.144Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 06689906303?
06689906303 is a O-RING.
What parts can replace 06689906303?
There are 3 known substitutes for 06689906303: 9601 PIECE 4, A6689.906.303, A6481.906.144. Substitute compatibility should be verified for your specific system.
What is the NSN for 06689906303?
06689906303 is cataloged in the U.S. Government catalog under NSN 5331-01-185-8700. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.