NSN 5360-00-598-4400, 5360005984400
SPRING,HELICAL,TORSION

Federal Supply Classification: FSC 5360 - Coil, Flat, Leaf, and Wire Springs
National Item Identification Number: NIIN 005984400
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 5360-00-598-4400

National Stock Number (NSN) 5360-00-598-4400, or NIIN 005984400, (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 2 manufacturer part numbers associated with this NSN. One of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by one supplier. Today, there are no suppliers listed as an Active supplier for this NSN. Of the active suppliers, there are no suppliers that are 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: 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 5360005984400 contains an unknown precious metal.

This information was last updated on Aug 01, 2025.

Technical Characteristics

END ANGULAR RELATIONSHIP: (AXMH) ENDS ANGLED ONE TO OTHER
COIL HELIX DIRECTION: (AXLH) LEFT-HAND
COIL QUANTITY: (APCN) 3 5/32
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: (CXTH) UNABLE TO DECODE
INSIDE DIAMETER: (AARX) 0.479 INCHES MINIMUM AND 0.509 INCHES MAXIMUM
MATERIAL: (MATT) UNABLE TO DECODE
SPRING FREE LENGTH: (AGEK) 0.125 INCHES NOMINAL
SPRING FREE OUTSIDE DIAMETER: (AXLQ) 0.523 INCHES MINIMUM AND 0.553 INCHES MAXIMUM
STYLE DESIGNATOR: (STYL) SINGLE TORSION LEFT HAND
SURFACE TREATMENT: (SFTT) UNABLE TO DECODE
END LENGTH FROM COIL AXIS TO FIRST BEND: (CXTM) 0.406 INCHES NOMINAL OVERALL
END LENGTH FROM FIRST BEND TO SECOND BEND OR END: (CXTN) 0.406 INCHES MAXIMUM SECOND END
END LENGTH: (CXTH) 0.156 INCHES NOMINAL BOTH ENDS
SURFACE TREATMENT: (SFTT) TIN OVERALL
END LENGTH FROM FIRST BEND TO SECOND BEND OR END: (CXTN) 0.156 INCHES MINIMUM FIRST END
MATERIAL: (MATT) STEEL OVERALL