NSN 5360-00-753-8353, 5360007538353
SPRING,HELICAL,TORSION

Federal Supply Classification: FSC 5360 - Coil, Flat, Leaf, and Wire Springs
National Item Identification Number: NIIN 007538353
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 5360-00-753-8353

National Stock Number (NSN) 5360-00-753-8353, or NIIN 007538353, (spring,helical,torsion) was assigned January 1, 1960 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.

There is only one manufacturer part number 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, 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 5360007538353 contains an unknown precious metal.

This information was last updated on Jul 01, 2025.

Technical Characteristics

END ANGULAR RELATIONSHIP: (AXMH) END W/LH HELIX OF COIL PARALLEL TO CENTER SECTION
COIL HELIX DIRECTION: (AXLH) LEFT-HAND
COIL QUANTITY: (APCN) 3
END LENGTH FROM FIRST BEND TO SECOND BEND OR END: (CXTN) 0.300 INCHES NOMINAL FIRST END
END LENGTH FROM FIRST BEND TO SECOND BEND OR END: (CXTN) 0.300 INCHES NOMINAL SECOND END
END STYLE: (ABQK) STRAIGHT BEND END (LEFT) FIRST END
END STYLE: (ABQK) STRAIGHT BEND END (RIGHT) SECOND END
INSIDE DIAMETER: (AARX) 0.560 INCHES MINIMUM AND 0.590 INCHES MAXIMUM
SPRING FREE LENGTH: (AGEK) 0.170 INCHES NOMINAL
SPRING FREE OUTSIDE DIAMETER: (AXLQ) 0.672 INCHES NOMINAL
STYLE DESIGNATOR: (STYL) SINGLE TORSION LEFT HAND