NSN 5360-00-306-0279, 5360003060279
SPRING,HELICAL,TORSION

Federal Supply Classification: FSC 5360 - Coil, Flat, Leaf, and Wire Springs
National Item Identification Number: NIIN 003060279
Codification Country: United States
Item Name Code: INC 04228
Criticality: (X) This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Hazardous Material Indicator Code: (N) There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials.

Availability: Readily Available Qualified Suppliers: Currently qualifying suppliers

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DLMS^® Summary

National Stock Number 5360-00-306-0279

National Stock Number (NSN) 5360-00-306-0279, or NIIN 003060279, (spring,helical,torsion) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.

There are 4 manufacturer part numbers associated with this NSN. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by one supplier. Today, one supplier is listed as an Active supplier for this NSN. Of the active suppliers, only one supplier is deemed design controlled or valid supply parts.

This part number has not been procured by the US Government in over 5 years.

Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Sep 02, 2005, this NSN's acquisition method was noted as: Not established. Not established.

This NSN is assigned to Item Name Code (INC) 04228. [AN OPEN- OR CLOSE-WOUND COIL SPRING, CONSISTING OF ONE OR MORE HELICAL COILS WOUND FROM DIFFERENT SHAPES AND TYPES OF MATERIAL AND FINISHED AT THE ENDS, DESIGNED TO EXERT PRESSURE IN A ROTATING DIRECTION AROUND THE COIL AXIS. EXCLUDES:SPRINGS DESIGNED FOR THERMAL ACTUATION (SPRINGS IN WHICH THE TORSION FORCES ARE COUNTERACTED BY CHANGES IN TEMPERATURE) AND SPRING,REINFORCING,HOSE.]. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 5360003060279 contains an unknown precious metal.

This information was last updated on Aug 01, 2025.

Technical Characteristics

HOOK RADIUS: (AXMC) 0.156 INCHES NOMINAL OVERALL
END LENGTH FROM COIL AXIS TO FIRST BEND: (CXTM) 0.700 INCHES NOMINAL OVERALL
END LENGTH FROM FIRST BEND TO SECOND BEND OR END: (CXTN) 0.250 INCHES NOMINAL OVERALL
MATERIAL: (MATT) STEEL OVERALL
END STYLE: (ABQK) EXTENDED EYE END FIRST END
HOOK OPENING WIDTH: (AAUF) 0.063 INCHES NOMINAL OVERALL
END STYLE: (ABQK) OFFSET EYE SECOND END
END ANGULAR RELATIONSHIP: (AXMH) ENDS ANGLED ONE TO OTHER
COIL HELIX DIRECTION: (AXLH) RIGHT-HAND
COIL QUANTITY: (APCN) 9
END LENGTH FROM COIL AXIS TO FIRST BEND: (CXTM) UNABLE TO DECODE
END LENGTH FROM FIRST BEND TO SECOND BEND OR END: (CXTN) UNABLE TO DECODE
END STYLE: (ABQK) UNABLE TO DECODE
HOOK OPENING WIDTH: (AAUF) UNABLE TO DECODE
HOOK RADIUS: (AXMC) UNABLE TO DECODE
INSIDE DIAMETER: (AARX) 0.500 INCHES NOMINAL
MATERIAL: (MATT) UNABLE TO DECODE
SPRING FREE LENGTH: (AGEK) 0.719 INCHES NOMINAL
SPRING FREE OUTSIDE DIAMETER: (AXLQ) 0.608 INCHES NOMINAL
STYLE DESIGNATOR: (STYL) SINGLE TORSION LEFT HAND