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SN1187 — SPRING,HELICAL,EXTENSION

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

SN1187: SPRING,HELICAL,EXTENSION.

The SPRING,HELICAL,EXTENSION is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, end_style: RAISED HOOK BOTH ENDS, design_type: CLOSED, hook_radius: 0.281 INCHES NOMINAL BOTH ENDS IN, coil_quantity: 13, opening_width: 0.219 INCHES NOMINAL BOTH ENDS IN. This part is cataloged in the U.S.

Government catalog under NSN 5360-00-423-5154, 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
SN1187
NSN: 5360-00-423-5154
FSC: 5360 — Coil, Flat, Leaf, and Wire Springs
CAGE: 77260 — PIERCE CO INC THE SUB OF AVIS INDUSTRIAL CORP (USA)
SPECIFICATIONS
materialSTEEL OVERALL
end_styleRAISED HOOK BOTH ENDS
design_typeCLOSED
hook_radius0.281 INCHES NOMINAL BOTH ENDS IN
coil_quantity13
opening_width0.219 INCHES NOMINAL BOTH ENDS IN
inside_diameter0.563 INCHES NOMINAL IN
style_designatorCYLINDRICAL
surface_treatmentPAINT OVERALL
spring_free_length2.469 INCHES NOMINAL IN
coil_helix_directionRIGHT-HAND
coil_to_hook_inside_length0.438 INCHES NOMINAL BOTH ENDS IN
NSN5360-00-423-5154
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SPRING,HELICAL,EXTENSION TITLE COMPONENT PN SN1187 MFR SPRING,HELICAL,EXTENSI
KEY FEATURES
•
SPRING FREE OUTSIDE DIAMETER: 0.750 INCHES NOMINAL IN
•
END STYLE: RAISED HOOK BOTH ENDS
•
DESIGN TYPE: CLOSED
•
STYLE DESIGNATOR: CYLINDRICAL
•
OPENING WIDTH: 0.219 INCHES NOMINAL BOTH ENDS IN
•
SPRING FREE LENGTH: 2.469 INCHES NOMINAL IN
•
COIL TO HOOK INSIDE LENGTH: 0.438 INCHES NOMINAL BOTH ENDS IN
•
INSIDE DIAMETER: 0.563 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
SPRING FREE OUTSIDE DIAMETER0.750 INCHES NOMINAL IN
END STYLERAISED HOOK BOTH ENDS
DESIGN TYPECLOSED
STYLE DESIGNATORCYLINDRICAL
OPENING WIDTH0.219 INCHES NOMINAL BOTH ENDS IN
SPRING FREE LENGTH2.469 INCHES NOMINAL IN
COIL TO HOOK INSIDE LENGTH0.438 INCHES NOMINAL BOTH ENDS IN
INSIDE DIAMETER0.563 INCHES NOMINAL IN
COIL QUANTITY13
SURFACE TREATMENTPAINT OVERALL
OTHER ITEMS IN FSC 5360 — Coil, Flat, Leaf, and Wire Springs
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5360-00-001-1842 5360-00-001-1945 5360-00-001-2010 5360-00-001-3865 5360-00-001-3950 5360-00-001-4650 5360-00-001-4664 5360-00-001-4703
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 SN1187?
SN1187 is a SPRING,HELICAL,EXTENSION.
What is the NSN for SN1187?
SN1187 is cataloged in the U.S. Government catalog under NSN 5360-00-423-5154. 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.