NSN 5360-00-428-7572, 5360004287572
Cancelled -> Replaced by 5920001424839

Federal Supply Classification: FSC 5360 - Coil, Flat, Leaf, and Wire Springs
National Item Identification Number: NIIN 004287572
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 5360-00-428-7572

National Stock Number (NSN) 5360-00-428-7572, or NIIN 004287572, (spring,helical,torsion) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 2 stock numbers: 5920001424839, 2920005202419.

There are 3 manufacturer part numbers associated with this NSN. One of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 3 suppliers. Today, 2 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 2 suppliers are deemed design controlled or valid supply parts.

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

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 5360004287572 does not contain precious metals.

This information was last updated on Aug 01, 2025.

Technical Characteristics

END LENGTH FROM FIRST BEND TO SECOND BEND OR END: (CXTN) 0.297 INCHES NOMINAL OVERALL
END LENGTH FROM THIRD BEND OR END: (CXTQ) 0.127 INCHES NOMINAL OVERALL
END ANGULAR RELATIONSHIP: (AXMH) ENDS ANGLED ONE TO OTHER
COIL HELIX DIRECTION: (AXLH) LEFT-HAND
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 LENGTH FROM SECOND BEND TO THIRD BEND OR END: (CXTP) UNABLE TO DECODE
END LENGTH FROM THIRD BEND OR END: (CXTQ) UNABLE TO DECODE
END STYLE: (ABQK) UNABLE TO DECODE
INSIDE DIAMETER: (AARX) 0.406 INCHES NOMINAL
MATERIAL: (MATT) UNABLE TO DECODE
SPRING FREE LENGTH: (AGEK) 0.054 INCHES NOMINAL
SPRING FREE OUTSIDE DIAMETER: (AXLQ) 0.442 INCHES NOMINAL
STYLE DESIGNATOR: (STYL) SINGLE TORSION LEFT HAND
SURFACE TREATMENT: (SFTT) UNABLE TO DECODE
END LENGTH FROM COIL AXIS TO FIRST BEND: (CXTM) 0.203 INCHES NOMINAL OVERALL
END LENGTH FROM SECOND BEND TO THIRD BEND OR END: (CXTP) 0.109 INCHES NOMINAL OVERALL
MATERIAL: (MATT) STEEL CORROSION RESISTING OVERALL
END STYLE: (ABQK) SHORT HOOK END SECOND END
SURFACE TREATMENT: (SFTT) PASSIVATE OVERALL
END STYLE: (ABQK) HINGE END FIRST END