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Technical Data Sheet
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2H6338 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

2H6338: O-RING.

The O-RING is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5331-00-325-6310, 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
2H6338
NSN: 5331-00-325-6310
FSC: 5331 — O-ring
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
Part Number2H6338
NSN5331-00-325-6310
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 2H6338 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 6
SAE AS568B-237Reference document
Same NSN cross-reference
Reference document — Secondary reference
25K40312Reference document
Same NSN cross-reference
Reference document — Secondary reference
AS568-237Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
2-237N951-75Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
8T7174Reference document
Same NSN cross-reference
Reference document — Secondary reference
5660799Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Shelf-life managedAcquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 2H6338?
2H6338 is a O-RING.
What parts can replace 2H6338?
There are 6 known substitutes for 2H6338: SAE AS568B-237, 25K40312, AS568-237 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 2H6338?
2H6338 is cataloged in the U.S. Government catalog under NSN 5331-00-325-6310. This indicates validated use in U.S. government and defense supply chains.
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