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S6165-61531-000 — SEAT,HELICAL COMPRESSION SPRING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

S6165-61531-000: SEAT,HELICAL COMPRESSION SPRING.

SEAT,HELICAL COMPRESSION SPRING. Key specifications include material: ALUMINUM ALLOY, design_type: SOLID, end_diameter: 0.5800 INCHES NOMINAL IN, bore_diameter: 0.5000 INCHES NOMINAL IN, first_step_length: 0.0730 INCHES NOMINAL IN, first_step_diameter: 1.0000 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-700-2439, 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
S6165-61531-000
NSN: 5340-00-700-2439
FSC: 5340 — Hardware, Commercial
CAGE: 78286 — SIKORSKY AIRCRAFT CORPORATION DBA SIKORSKY AIRCRAFT CORP (USA)
SPECIFICATIONS
materialALUMINUM ALLOY
design_typeSOLID
end_diameter0.5800 INCHES NOMINAL IN
bore_diameter0.5000 INCHES NOMINAL IN
first_step_length0.0730 INCHES NOMINAL IN
first_step_diameter1.0000 INCHES NOMINAL IN
second_end_diameter0.6550 INCHES NOMINAL IN
fsc_application_dataVERTICAL GYRO CONTROL
distance_from_end_to_first_step0.2390 INCHES NOMINAL IN
NSN5340-00-700-2439
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: S6165-61531-000 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
•
FSC APPLICATION DATA: VERTICAL GYRO CONTROL
•
FIRST STEP DIAMETER: 1.0000 INCHES NOMINAL IN
•
END DIAMETER: 0.5800 INCHES NOMINAL IN
•
SECOND END DIAMETER: 0.6550 INCHES NOMINAL IN
•
DISTANCE FROM END TO FIRST STEP: 0.2390 INCHES NOMINAL IN
•
DESIGN TYPE: SOLID
•
FIRST STEP LENGTH: 0.0730 INCHES NOMINAL IN
•
BORE DIAMETER: 0.5000 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
FSC APPLICATION DATAVERTICAL GYRO CONTROL
FIRST STEP DIAMETER1.0000 INCHES NOMINAL IN
END DIAMETER0.5800 INCHES NOMINAL IN
SECOND END DIAMETER0.6550 INCHES NOMINAL IN
DISTANCE FROM END TO FIRST STEP0.2390 INCHES NOMINAL IN
DESIGN TYPESOLID
FIRST STEP LENGTH0.0730 INCHES NOMINAL IN
BORE DIAMETER0.5000 INCHES NOMINAL IN
MATERIALALUMINUM ALLOY
OTHER ITEMS IN FSC 5340 — Hardware, Commercial
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5340-00-000-0068 5340-00-000-0132 5340-00-000-8150 5340-00-001-1251 5340-00-001-1264 5340-00-001-1265 5340-00-001-1266 5340-00-001-1275
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

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 S6165-61531-000?
S6165-61531-000 is a SEAT,HELICAL COMPRESSION SPRING.
What is the NSN for S6165-61531-000?
S6165-61531-000 is cataloged in the U.S. Government catalog under NSN 5340-00-700-2439. 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.