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685-1286-001 — 685-1286-001

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

685-1286-001: 685-1286-001.

The 685-1286-001 is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5340-01-452-6993, 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
685-1286-001
NSN: 5340-01-452-6993
FSC: 5340 — Hardware, Commercial
CAGE: 78711 — TELEPHONICS CORP (USA)
SPECIFICATIONS
Part Number685-1286-001
NSN5340-01-452-6993
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 685-1286-001 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
•
MOUNTING HOLE QUANTITY: 3
•
BLOCK HEIGHT: 0.2500 INCHES NOMINAL IN
•
STYLE DESIGNATOR: RECTANGULAR
•
MATERIAL DOCUMENT AND CLASSIFICATION: L-P-410 FED SPEC SINGLE MATERIAL RESPONSE
•
MOUNTING HOLE DIAMETER: 0.1120 INCHES NOMINAL IN
•
CENTER TO CENTER DISTANCE BETWEEN FIRST AND THIRD MOUNTING HOLES: 2.8200 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
MOUNTING HOLE QUANTITY3
BLOCK HEIGHT0.2500 INCHES NOMINAL IN
STYLE DESIGNATORRECTANGULAR
MATERIAL DOCUMENT AND CLASSIFICATIONL-P-410 FED SPEC SINGLE MATERIAL RESPONSE
MOUNTING HOLE DIAMETER0.1120 INCHES NOMINAL IN
OVERALL LENGTH3.0600 INCHES NOMINAL IN
CENTER TO CENTER DISTANCE BETWEEN FIRST AND THIRD MOUNTING HOLES2.8200 INCHES NOMINAL IN
OVERALL WIDTH0.2500 INCHES NOMINAL IN
DISTANCE FROM CENTER OF MOUNTING HOLE TO EDGE ALONG THE WIDTH0.1200 INCHES NOMINAL IN
DISTANCE FROM END TO FIRST MOUNTING HOLE CENTER0.1200 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 685-1286-001?
685-1286-001 is a 685-1286-001.
What is the NSN for 685-1286-001?
685-1286-001 is cataloged in the U.S. Government catalog under NSN 5340-01-452-6993. 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.