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3875S429X2 — SEAL ASSEMBLY

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

3875S429X2: SEAL ASSEMBLY.

The SEAL ASSEMBLY is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5330-00-301-7370, 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
3875S429X2
NSN: 5330-00-301-7370
FSC: 5330 — Packing and Gasket Materials
CAGE: 0UBG9 — CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION DIV EPD (USA)
SPECIFICATIONS
Part Number3875S429X2
NSN5330-00-301-7370
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 3875S429X2 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 7
CF-SP-34834TY8- 1-3.880BF101D1Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
CF-SP-34834 XF91MO15MReference document
Same NSN cross-reference
Reference document — Secondary reference
CF-SP-34834Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
NSP-00223Reference document
Same NSN cross-reference
Reference document — Secondary reference
10095C18Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
10755F18Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 3875S429X2?
3875S429X2 is a SEAL ASSEMBLY.
What parts can replace 3875S429X2?
There are 7 known substitutes for 3875S429X2: CF-SP-34834TY8- 1-3.880BF101D1, CF-SP-34834 XF91MO15M, CF-SP-34834 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 3875S429X2?
3875S429X2 is cataloged in the U.S. Government catalog under NSN 5330-00-301-7370. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.