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Technical Data Sheet
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620078 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

620078: O-RING.

The O-RING is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5331-01-705-3896, 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
620078
NSN: 5331-01-705-3896
FSC: 5331 — O-ring
CAGE: 62351 — APPLE RUBBER PRODUCTS, INC. DBA APPLE RUBBER PRODUCTS INC (USA)
SPECIFICATIONS
Part Number620078
NSN5331-01-705-3896
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 620078 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 1
70307-83805Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
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 620078?
620078 is a O-RING.
What parts can replace 620078?
There is 1 known substitute for 620078: 70307-83805. Substitute compatibility should be verified for your specific system.
What is the NSN for 620078?
620078 is cataloged in the U.S. Government catalog under NSN 5331-01-705-3896. This indicates validated use in U.S. government and defense supply chains.
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