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R978702925 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

R978702925: O-RING.

The O-RING is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5331-01-283-6672, 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
R978702925
NSN: 5331-01-283-6672
FSC: 5331 — O-ring
CAGE: 27005 — BOSCH REXROTH CORPORATION DIV INDUSTRIAL HYDRAULICS (USA)
SPECIFICATIONS
Part NumberR978702925
NSN5331-01-283-6672
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: R978702925 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 2
406580Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
401286Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
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 R978702925?
R978702925 is a O-RING.
What parts can replace R978702925?
There are 2 known substitutes for R978702925: 406580, 401286. Substitute compatibility should be verified for your specific system.
What is the NSN for R978702925?
R978702925 is cataloged in the U.S. Government catalog under NSN 5331-01-283-6672. This indicates validated use in U.S. government and defense supply chains.
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