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Technical Data Sheet
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NK1648 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

NK1648: O-RING.

The O-RING is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5331-00-582-2133, 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
NK1648
NSN: 5331-00-582-2133
FSC: 5331 — O-ring
CAGE: D9182 — ZF INDUSTRIEANTRIEBE WITTEN GMBH (DEU)
SPECIFICATIONS
Part NumberNK1648
NSN5331-00-582-2133
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: NK1648 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
028 09378 000Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
D50265 ITEM 30Reference document
Same NSN cross-reference
Reference document — Secondary reference
755 941Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
MS28784-11ESReference document
Same NSN cross-reference
Reference document — Secondary reference
SAE-AS28775Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
MS28775-011Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Shelf-life managedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is NK1648?
NK1648 is a O-RING.
What parts can replace NK1648?
There are 9 known substitutes for NK1648: 028 09378 000, D50265 ITEM 30, 755 941 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for NK1648?
NK1648 is cataloged in the U.S. Government catalog under NSN 5331-00-582-2133. This indicates validated use in U.S. government and defense supply chains.
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