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A6689.906.303 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

A6689.906.303: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR, temp_rating: -65.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF, special_features: ITEM MUST COMPLY WITH REQUIREMENTS OF DEFENSE SUPPLY CENTER PHILADELPHIA PRODUCTION STANDARD NO. PO0086NRP, center_hole_diameter: 0.468 INCHES NOMINAL IN, elongation_percentage: 160 MAXIMUM, cross-sectional_height: 0.078 INCHES NOMINAL 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
A6689.906.303
NSN: 5331-01-185-8700
NIINs: 011858700, 012156748
FSC: 5331 — O-ring
CAGE: 15187 — EMERSON AUTOMATION SOLUTIONS FINAL CONTROL US LP DIV NAVY PRODUCT TEAM (USA)
SPECIFICATIONS
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
temp_rating-65.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF
special_featuresITEM MUST COMPLY WITH REQUIREMENTS OF DEFENSE SUPPLY CENTER PHILADELPHIA PRODUCTION STANDARD NO. PO0086NRP
center_hole_diameter0.468 INCHES NOMINAL IN
elongation_percentage160 MAXIMUM
cross-sectional_height0.078 INCHES NOMINAL IN
criticality_code_justificationZZZY
reference_number_differentiating_characteristicsREFERENCE NUMBER DIFFERENTIATING MATERIAL WILL BE IN ACCORDANCE WITH NAVAL INVENTORY CONTROL POINT ACTIVITY HX QUALITY CONTROL. MANUFACTURING AND TESTING SPECIFICATIONS AVAILABLE AT THE DLA ICP
NSN5331-01-185-8700
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: A6689.906.303 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
06689906303Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 A6689.906.303?
A6689.906.303 is a O-RING.
What parts can replace A6689.906.303?
There are 3 known substitutes for A6689.906.303: 9601 PIECE 4, 06689906303, A6481.906.144. Substitute compatibility should be verified for your specific system.
What is the NSN for A6689.906.303?
A6689.906.303 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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