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5253-635 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

5253-635: O-RING.

The O-RING is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5331-00-113-3804, 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
5253-635
NSN: 5331-00-113-3804
FSC: 5331 — O-ring
CAGE: 05869 — RAYTHEON COMPANY DIV RMD STRATEGIC (USA)
SPECIFICATIONS
Part Number5253-635
NSN5331-00-113-3804
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 5253-635 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 9
276Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
AS568B-008Reference document
Same NSN cross-reference
Reference document — Secondary reference
PRP568-008-4200 -70Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
A51200-024Reference document
Same NSN cross-reference
Reference document — Secondary reference
431074N ITEM NO 24Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
34-274Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Shelf-life managedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 5253-635?
5253-635 is a O-RING.
What parts can replace 5253-635?
There are 9 known substitutes for 5253-635: 276, AS568B-008, PRP568-008-4200 -70 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 5253-635?
5253-635 is cataloged in the U.S. Government catalog under NSN 5331-00-113-3804. This indicates validated use in U.S. government and defense supply chains.
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