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8081705 — SEAT,HELICAL COMPRESSION SPRING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

8081705: SEAT,HELICAL COMPRESSION SPRING.

SEAT,HELICAL COMPRESSION SPRING. Key specifications include material: STEEL, design_type: SOLID, end_diameter: 1.0580 INCHES NOMINAL IN, bore_diameter: 0.8750 INCHES NOMINAL IN, overall_height: 0.7500 INCHES NOMINAL IN, style_designator: SEAT. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-366-1131, 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
8081705
NSN: 5340-00-366-1131
FSC: 5340 — Hardware, Commercial
CAGE: D9182 — ZF INDUSTRIEANTRIEBE WITTEN GMBH (DEU)
SPECIFICATIONS
materialSTEEL
design_typeSOLID
end_diameter1.0580 INCHES NOMINAL IN
bore_diameter0.8750 INCHES NOMINAL IN
overall_height0.7500 INCHES NOMINAL IN
style_designatorSEAT
bore_taper_in_deg10.0
counterbore_length0.4610 INCHES NOMINAL IN
first_step_diameter1.7500 INCHES NOMINAL IN
distance_from_end_to_first_step0.5890 INCHES NOMINAL IN
NSN5340-00-366-1131
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 8081705 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
•
FIRST STEP DIAMETER: 1.7500 INCHES NOMINAL IN
•
END DIAMETER: 1.0580 INCHES NOMINAL IN
•
DISTANCE FROM END TO FIRST STEP: 0.5890 INCHES NOMINAL IN
•
DESIGN TYPE: SOLID
•
STYLE DESIGNATOR: SEAT
•
COUNTERBORE LENGTH: 0.4610 INCHES NOMINAL IN
•
BORE TAPER IN DEG: 10.0
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.7500 INCHES NOMINAL IN
FIRST STEP DIAMETER1.7500 INCHES NOMINAL IN
END DIAMETER1.0580 INCHES NOMINAL IN
DISTANCE FROM END TO FIRST STEP0.5890 INCHES NOMINAL IN
DESIGN TYPESOLID
STYLE DESIGNATORSEAT
COUNTERBORE LENGTH0.4610 INCHES NOMINAL IN
BORE TAPER IN DEG10.0
BORE DIAMETER0.8750 INCHES NOMINAL IN
MATERIALSTEEL
SUBSTITUTES & CROSS-REFERENCES 2
8081795Reference document
Same NSN cross-reference
Reference document — Secondary reference
K-8081795Reference 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 8081705?
8081705 is a SEAT,HELICAL COMPRESSION SPRING.
What parts can replace 8081705?
There are 2 known substitutes for 8081705: 8081795, K-8081795. Substitute compatibility should be verified for your specific system.
What is the NSN for 8081705?
8081705 is cataloged in the U.S. Government catalog under NSN 5340-00-366-1131. 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.