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Technical Data Sheet
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A3140795 — SEAL,HOUSING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

A3140795: SEAL,HOUSING.

The SEAL,HOUSING is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5330-01-256-4420, 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
A3140795
NSN: 5330-01-256-4420
FSC: 5330 — Packing and Gasket Materials
CAGE: 80063 — US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR (USA)
SPECIFICATIONS
Part NumberA3140795
NSN5330-01-256-4420
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: A3140795 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
OTHER ITEMS IN FSC 5330 — Packing and Gasket Materials
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5330-00-000-0085 5330-00-000-0167 5330-00-000-5275 5330-00-001-1260 5330-00-001-1833 5330-00-001-1844 5330-00-001-1845 5330-00-001-1846
SUBSTITUTES & CROSS-REFERENCES 1
207989-100Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is A3140795?
A3140795 is a SEAL,HOUSING.
What parts can replace A3140795?
There is 1 known substitute for A3140795: 207989-100. Substitute compatibility should be verified for your specific system.
What is the NSN for A3140795?
A3140795 is cataloged in the U.S. Government catalog under NSN 5330-01-256-4420. This indicates validated use in U.S. government and defense supply chains.
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