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3920920 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

3920920: O-RING.

The O-RING is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5331-01-424-1848, 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
3920920
NSN: 5331-01-424-1848
FSC: 5331 — O-ring
CAGE: 15434 — CUMMINS INC. (USA)
SPECIFICATIONS
Part Number3920920
NSN5331-01-424-1848
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 3920920 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
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
GROUP NO. 05.23 REF NO. 12Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 3920920?
3920920 is a O-RING.
What parts can replace 3920920?
There is 1 known substitute for 3920920: GROUP NO. 05.23 REF NO. 12. Substitute compatibility should be verified for your specific system.
What is the NSN for 3920920?
3920920 is cataloged in the U.S. Government catalog under NSN 5331-01-424-1848. This indicates validated use in U.S. government and defense supply chains.
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