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OR-173 NBR-70 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

OR-173 NBR-70: O-RING.

The O-RING is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5331-01-631-0674, 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
OR-173 NBR-70
NSN: 5331-01-631-0674
FSC: 5331 — O-ring
CAGE: 5F263 — ENGINEERED SEAL PRODUCTS INC DBA ESP INTERNATIONAL (USA)
SPECIFICATIONS
Part NumberOR-173 NBR-70
NSN5331-01-631-0674
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: OR-173 NBR-70 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
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is OR-173 NBR-70?
OR-173 NBR-70 is a O-RING.
What is the NSN for OR-173 NBR-70?
OR-173 NBR-70 is cataloged in the U.S. Government catalog under NSN 5331-01-631-0674. This indicates validated use in U.S. government and defense supply chains.
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