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8682-004-375 — 8682-004-375

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

8682-004-375: 8682-004-375.

The 8682-004-375 is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5330-01-457-3818, 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
8682-004-375
NSN: 5330-01-457-3818
FSC: 5330 — Packing and Gasket Materials
CAGE: 57574 — VELAN VALVE CORP. (USA)
SPECIFICATIONS
Part Number8682-004-375
NSN5330-01-457-3818
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 8682-004-375 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
KEY FEATURES
•
OUTSIDE DIAMETER: 2.000 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: SQUARE/RECTANGULAR BOTTOM RING
•
INSIDE DIAMETER: 1.375 INCHES NOMINAL IN
•
HEIGHT: 0.312 INCHES NOMINAL IN
•
MATERIAL: GRAPHITE BOTTOM RING
TECHNICAL CHARACTERISTICS
OUTSIDE DIAMETER2.000 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLESQUARE/RECTANGULAR BOTTOM RING
INSIDE DIAMETER1.375 INCHES NOMINAL IN
HEIGHT0.312 INCHES NOMINAL IN
MATERIALGRAPHITE BOTTOM RING
MATERIALGRAPHITE TOP RING
SUBSTITUTES & CROSS-REFERENCES 1
9999-002-8IN IITEM 13Reference document
Same NSN cross-reference
Reference document — Design control — primary 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 8682-004-375?
8682-004-375 is a 8682-004-375.
What parts can replace 8682-004-375?
There is 1 known substitute for 8682-004-375: 9999-002-8IN IITEM 13. Substitute compatibility should be verified for your specific system.
What is the NSN for 8682-004-375?
8682-004-375 is cataloged in the U.S. Government catalog under NSN 5330-01-457-3818. This indicates validated use in U.S. government and defense supply chains.
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U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.