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11E421278 — SPRING,HELICAL,COMPRESSION

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

11E421278: SPRING,HELICAL,COMPRESSION.

The SPRING,HELICAL,COMPRESSION is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, style_designator: CYLINDRICAL, spring_free_length: 0.725 INCHES NOMINAL IN, coil_helix_direction: LEFT-HAND, end_item_identification: 5180-01-518-7339, part_name_assigned_by_controlling_agency: SPRING NUT, UNISTRUT. This part is cataloged in the U.S.

Government catalog under NSN 5360-01-699-4634, 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
11E421278
NSN: 5360-01-699-4634
FSC: 5360 — Coil, Flat, Leaf, and Wire Springs
CAGE: 59678 — COMBAT CAPABILITIES DEVELOPMENT COMMAND ARMAMENTS CENTER DBA US ARMY COMBAT CAPABILITIES DEVELOPMENT COMMAND ARMAMENTS CENTER (USA)
SPECIFICATIONS
materialSTEEL OVERALL
coil_quantity5
special_featuresNUTBASE HEIGHT IS 0.240 INCHES (NOM), LENGTH IS 1.320 INCHES (NOM), AND WIDTH IS 0.750 INCHES (NOM);THREAD SIZE IS 0.250-20 2B IN
style_designatorCYLINDRICAL
spring_free_length0.725 INCHES NOMINAL IN
coil_helix_directionLEFT-HAND
end_item_identification5180-01-518-7339
part_name_assigned_by_controlling_agencySPRING NUT, UNISTRUT
NSN5360-01-699-4634
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SPRING,HELICAL,COMPRESSION TITLE COMPONENT PN 11E421278 MFR SPRING,HELICAL,COMPRES
KEY FEATURES
•
STYLE DESIGNATOR: CYLINDRICAL
•
SPRING FREE LENGTH: 0.725 INCHES NOMINAL IN
•
COIL QUANTITY: 5
•
COIL HELIX DIRECTION: LEFT-HAND
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS
STYLE DESIGNATORCYLINDRICAL
SPRING FREE LENGTH0.725 INCHES NOMINAL IN
COIL QUANTITY5
SPECIAL FEATURESNUTBASE HEIGHT IS 0.240 INCHES (NOM), LENGTH IS 1.320 INCHES (NOM), AND WIDTH IS 0.750 INCHES (NOM);THREAD SIZE IS 0.250-20 2B IN
PART NAME ASSIGNED BY CONTROLLING AGENCYSPRING NUT, UNISTRUT
END ITEM IDENTIFICATION5180-01-518-7339
COIL HELIX DIRECTIONLEFT-HAND
MATERIALSTEEL 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 11E421278?
11E421278 is a SPRING,HELICAL,COMPRESSION.
What is the NSN for 11E421278?
11E421278 is cataloged in the U.S. Government catalog under NSN 5360-01-699-4634. 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.