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Technical Data Sheet
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76839 — 76839

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

76839: 76839.

The 76839 is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5340-01-109-2631, 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
76839
NSN: 5340-01-109-2631
NIINs: 011092631, 012111241
FSC: 5340 — Hardware, Commercial
CAGE: 17638 — ABD INTL INC DBA ABDICK (USA)
SPECIFICATIONS
Part Number76839
NSN5340-01-109-2631
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 76839 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

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 76839?
76839 is a 76839.
What is the NSN for 76839?
76839 is cataloged in the U.S. Government catalog under NSN 5340-01-109-2631. This indicates validated use in U.S. government and defense supply chains.
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