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Technical Data Sheet
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CR-250 — O-RING SET

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

CR-250: O-RING SET.

The O-RING SET is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5331-01-701-2937, 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
CR-250
NSN: 5331-01-701-2937
FSC: 5331 — O-ring
CAGE: 8BGY9 — TAYLOR INVESTMENTS LLC (USA)
SPECIFICATIONS
Part NumberCR-250
NSN5331-01-701-2937
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: CR-250 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
29-43753-01 ITEM 55Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
29-43753-01Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is CR-250?
CR-250 is a O-RING SET.
What parts can replace CR-250?
There are 2 known substitutes for CR-250: 29-43753-01 ITEM 55, 29-43753-01. Substitute compatibility should be verified for your specific system.
What is the NSN for CR-250?
CR-250 is cataloged in the U.S. Government catalog under NSN 5331-01-701-2937. This indicates validated use in U.S. government and defense supply chains.
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