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1986K91 — SPRING,HELICAL,COMPRESSION

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

1986K91: SPRING,HELICAL,COMPRESSION.

The SPRING,HELICAL,COMPRESSION is a the manufacturer industrial component. Key specifications include material: STEEL COMP 302 OVERALL, stock_diameter: 0.041 INCHES NOMINAL IN, inside_diameter: 0.278 INCHES NOMINAL IN, style_designator: CYLINDRICAL, spring_free_length: 0.500 INCHES NOMINAL IN, coil_helix_direction: EITHER DIRECTION. This part is cataloged in the U.S.

Government catalog under NSN 5360-01-710-7613, 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
1986K91
NSN: 5360-01-710-7613
FSC: 5360 — Coil, Flat, Leaf, and Wire Springs
CAGE: 2V507 — MCMASTER-CARR SUPPLY COMPANY (USA)
SPECIFICATIONS
materialSTEEL COMP 302 OVERALL
stock_diameter0.041 INCHES NOMINAL IN
inside_diameter0.278 INCHES NOMINAL IN
style_designatorCYLINDRICAL
spring_free_length0.500 INCHES NOMINAL IN
coil_helix_directionEITHER DIRECTION
spring_deflection_rate34.0 POUNDS PER INCH NOMINAL LBS
spring_free_outside_diameter0.360 INCHES NOMINAL IN
part_name_assigned_by_controlling_agencyCOMPRESSION SPRING
NSN5360-01-710-7613
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SPRING,HELICAL,COMPRESSION TITLE COMPONENT PN 1986K91 MFR SPRING,HELICAL,COMPRES
KEY FEATURES
•
SPRING FREE OUTSIDE DIAMETER: 0.360 INCHES NOMINAL IN
•
STYLE DESIGNATOR: CYLINDRICAL
•
SPRING FREE LENGTH: 0.500 INCHES NOMINAL IN
•
SPRING DEFLECTION RATE: 34.0 POUNDS PER INCH NOMINAL LBS
•
INSIDE DIAMETER: 0.278 INCHES NOMINAL IN
•
STOCK DIAMETER: 0.041 INCHES NOMINAL IN
•
COIL HELIX DIRECTION: EITHER DIRECTION
TECHNICAL CHARACTERISTICS
SPRING FREE OUTSIDE DIAMETER0.360 INCHES NOMINAL IN
STYLE DESIGNATORCYLINDRICAL
SPRING FREE LENGTH0.500 INCHES NOMINAL IN
SPRING DEFLECTION RATE34.0 POUNDS PER INCH NOMINAL LBS
INSIDE DIAMETER0.278 INCHES NOMINAL IN
STOCK DIAMETER0.041 INCHES NOMINAL IN
PART NAME ASSIGNED BY CONTROLLING AGENCYCOMPRESSION SPRING
COIL HELIX DIRECTIONEITHER DIRECTION
MATERIALSTEEL COMP 302 OVERALL
SUBSTITUTES & CROSS-REFERENCES 1
4054Reference 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 1986K91?
1986K91 is a SPRING,HELICAL,COMPRESSION.
What parts can replace 1986K91?
There is 1 known substitute for 1986K91: 4054. Substitute compatibility should be verified for your specific system.
What is the NSN for 1986K91?
1986K91 is cataloged in the U.S. Government catalog under NSN 5360-01-710-7613. 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.