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Technical Data Sheet
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9B84278 — 9B84278

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

9B84278: 9B84278.

The 9B84278 is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5330-00-202-2017, 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
9B84278
NSN: 5330-00-202-2017
FSC: 5330 — Packing and Gasket Materials
CAGE: 93334 — ATWOOD FENCE CO INC (USA)
SPECIFICATIONS
Part Number9B84278
NSN5330-00-202-2017
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 9B84278 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
84278Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 9B84278?
9B84278 is a 9B84278.
What parts can replace 9B84278?
There is 1 known substitute for 9B84278: 84278. Substitute compatibility should be verified for your specific system.
What is the NSN for 9B84278?
9B84278 is cataloged in the U.S. Government catalog under NSN 5330-00-202-2017. This indicates validated use in U.S. government and defense supply chains.
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