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42-03908-003 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

42-03908-003: O-RING.

The O-RING is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5331-01-213-6761, 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
42-03908-003
NSN: 5331-01-213-6761
FSC: 5331 — O-ring
CAGE: 29771 — DELTROL CORP (USA)
SPECIFICATIONS
Part Number42-03908-003
NSN5331-01-213-6761
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 42-03908-003 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
10031-26Reference document
Same NSN cross-reference
Reference document — Secondary reference
11-15077-000 ITEM 2Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 42-03908-003?
42-03908-003 is a O-RING.
What parts can replace 42-03908-003?
There are 2 known substitutes for 42-03908-003: 10031-26, 11-15077-000 ITEM 2. Substitute compatibility should be verified for your specific system.
What is the NSN for 42-03908-003?
42-03908-003 is cataloged in the U.S. Government catalog under NSN 5331-01-213-6761. This indicates validated use in U.S. government and defense supply chains.
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