NSN 5360-01-229-8436, 5360012298436
SPRING,HELICAL,TORSION

Federal Supply Classification: FSC 5360 - Coil, Flat, Leaf, and Wire Springs
National Item Identification Number: NIIN 012298436
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: We have 2 qualified suppliers

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DLMS^® Summary

National Stock Number 5360-01-229-8436

National Stock Number (NSN) 5360-01-229-8436, or NIIN 012298436, (spring,helical,torsion) was assigned April 6, 1986 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.

There are 2 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 2 suppliers. Today, 2 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, there are no suppliers that are deemed design controlled or valid supply parts. ISO Group has several sources of supply for this NSN.

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

This NSN is somewhat common among different platforms, belonging to 9 different weapons systems.

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: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) The Government has unlimited rights to the technical data, and the data package is complete. Valid AMCs: 1 and 2.

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 5360012298436 does not contain precious metals.

This NSN is associated to Schedule B 7320205000: helical springs not suitable for motor-vehicle suspension, of iron or steel. The Schedule B End Use is listed as finished metal shapes.

This information was last updated on Aug 01, 2025.

Technical Characteristics

END ANGULAR RELATIONSHIP: (AXMH) ENDS PARALLEL ONE TO OTHER
COIL HELIX DIRECTION: (AXLH) LEFT-HAND
END LENGTH FROM FIRST BEND TO SECOND BEND OR END: (CXTN) UNABLE TO DECODE
END LENGTH: (CXTH) UNABLE TO DECODE
END STYLE: (ABQK) UNABLE TO DECODE
HOOK LEG LENGTH: (CXTR) UNABLE TO DECODE
HOOK RADIUS: (AXMC) UNABLE TO DECODE
INSIDE DIAMETER: (AARX) 0.500 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATION: (MDCL) UNABLE TO DECODE
MATERIAL: (MATT) UNABLE TO DECODE
SPRING FREE LENGTH: (AGEK) 0.187 INCHES NOMINAL
SPRING FREE OUTSIDE DIAMETER: (AXLQ) 0.574 INCHES NOMINAL
STYLE DESIGNATOR: (STYL) SINGLE TORSION LEFT HAND
END STYLE: (ABQK) MACHINE LOOP END FIRST END
END LENGTH: (CXTH) 0.463 INCHES NOMINAL FIRST END
HOOK LEG LENGTH: (CXTR) 0.220 INCHES NOMINAL SECOND END
END LENGTH FROM FIRST BEND TO SECOND BEND OR END: (CXTN) 0.180 INCHES NOMINAL FIRST END
END STYLE: (ABQK) STRAIGHT BEND END (RIGHT) SECOND END
END LENGTH: (CXTH) 0.663 INCHES NOMINAL SECOND END
MATERIAL DOCUMENT AND CLASSIFICATION: (MDCL) QQ-W-423,COND B FED SPEC SINGLE MATERIAL RESPONSE OVERALL
HOOK RADIUS: (AXMC) 0.060 INCHES MAXIMUM SECOND END
MATERIAL: (MATT) STEEL COMP 302 OVERALL