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0634 304 688 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

0634 304 688: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include special_features: REFERENCE LITERATURE: PDCN N5DFGP REPAIR MANUAL AND SPARE PARTS LIST ZF 45A FIG.1, POS 11; OIL FILTER COVER O-RING A, end_item_identification: MARINE DRIVE UNIT. This part is cataloged in the U.S.

Government catalog under NSN 5331-01-538-5138, 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
0634 304 688
NSN: 5331-01-538-5138
FSC: 5331 — O-ring
CAGE: 1EMK1 — ZF MARINE PROPULSION SYSTEMS MIRAMAR LLC (USA)
SPECIFICATIONS
special_featuresREFERENCE LITERATURE: PDCN N5DFGP REPAIR MANUAL AND SPARE PARTS LIST ZF 45A FIG.1, POS 11; OIL FILTER COVER O-RING A
end_item_identificationMARINE DRIVE UNIT
NSN5331-01-538-5138
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 0634 304 688 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
TECHNICAL CHARACTERISTICS
SPECIAL FEATURESREFERENCE LITERATURE: PDCN N5DFGP REPAIR MANUAL AND SPARE PARTS LIST ZF 45A FIG.1, POS 11; OIL FILTER COVER O-RING A
END ITEM IDENTIFICATIONMARINE DRIVE UNIT
OTHER ITEMS IN FSC 5331 — O-ring
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5331-00-001-1971 5331-00-001-1979 5331-00-001-3904 5331-00-001-3905 5331-00-001-3906 5331-00-001-3908 5331-00-001-3923 5331-00-001-3924
SUBSTITUTES & CROSS-REFERENCES 1
US-101523Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 0634 304 688?
0634 304 688 is a O-RING.
What parts can replace 0634 304 688?
There is 1 known substitute for 0634 304 688: US-101523. Substitute compatibility should be verified for your specific system.
What is the NSN for 0634 304 688?
0634 304 688 is cataloged in the U.S. Government catalog under NSN 5331-01-538-5138. This indicates validated use in U.S. government and defense supply chains.
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