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A6689.020.303 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

A6689.020.303: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR, cross-sectional_height: 0.062 INCHES NOMINAL IN, criticality_code_justification: ZZZY, material_document_and_classification: MIL-P-25732 MIL SPEC SINGLE MATERIAL RESPONSE, reference_number_differentiating_characteristics: CLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D. This part is cataloged in the U.S.

Government catalog under NSN 5331-00-585-7723, 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
A6689.020.303
NSN: 5331-00-585-7723
NIINs: 005857723, 012479390, 012712531
FSC: 5331 — O-ring
CAGE: D9182 — ZF INDUSTRIEANTRIEBE WITTEN GMBH (DEU)
SPECIFICATIONS
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
cross-sectional_height0.062 INCHES NOMINAL IN
criticality_code_justificationZZZY
material_document_and_classificationMIL-P-25732 MIL SPEC SINGLE MATERIAL RESPONSE
reference_number_differentiating_characteristicsCLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D
NSN5331-00-585-7723
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: A6689.020.303 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
SUBSTITUTES & CROSS-REFERENCES 9
AD571-24Y99FN7Reference document
Same NSN cross-reference
Reference document — Secondary reference
15375295Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
946.91.26.020Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
2-020 N304-75Reference document
Same NSN cross-reference
Reference document — Secondary reference
199972Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
10045078Reference document
Same NSN cross-reference
Reference document — Informative reference only
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Shelf-life managedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is A6689.020.303?
A6689.020.303 is a O-RING.
What parts can replace A6689.020.303?
There are 9 known substitutes for A6689.020.303: AD571-24Y99FN7, 15375295, 946.91.26.020 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for A6689.020.303?
A6689.020.303 is cataloged in the U.S. Government catalog under NSN 5331-00-585-7723. This indicates validated use in U.S. government and defense supply chains.
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