NSN 5360-00-347-0554, 5360003470554
SPRING,HELICAL,TORSION

Federal Supply Classification: FSC 5360 - Coil, Flat, Leaf, and Wire Springs
National Item Identification Number: NIIN 003470554
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.

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DLMS^® Summary

National Stock Number 5360-00-347-0554

National Stock Number (NSN) 5360-00-347-0554, or NIIN 003470554, (spring,helical,torsion) was assigned February 27, 1970 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.

There are no manufacturer part numbers associated to this NSN.

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 for the first time. (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 5360003470554 contains an unknown precious metal.

This information was last updated on Aug 01, 2025.

Technical Characteristics

HOOK OPENING WIDTH: (AAUF) UNABLE TO DECODE
MATERIAL: (MATT) UNABLE TO DECODE
MATERIAL DOCUMENT AND CLASSIFICATION: (MDCL) UNABLE TO DECODE
END LENGTH: (CXTH) UNABLE TO DECODE
HOOK RADIUS: (AXMC) UNABLE TO DECODE
END ANGULAR RELATIONSHIP: (AXMH) ENDS ANGLED ONE TO OTHER
COIL HELIX DIRECTION: (AXLH) RIGHT-HAND
COIL QUANTITY: (APCN) 15
END LENGTH: (CXTH) 0.594 INCHES NOMINAL FIRST END
END STYLE: (ABQK) OFFSET HINGE END, RIGHT SIDE FIRST END
END STYLE: (ABQK) OFFSET EYE END SECOND END
HOOK OPENING WIDTH: (AAUF) 0.031 INCHES NOMINAL BOTH ENDS
HOOK RADIUS: (AXMC) 0.031 INCHES NOMINAL SECOND END
HOOK RADIUS: (AXMC) 0.156 INCHES NOMINAL FIRST END
INSIDE DIAMETER: (AARX) 0.281 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATION: (MDCL) QQ-B-750,COMP A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIAL: (MATT) COPPER ALLOY 510 OVERALL
SPRING FREE LENGTH: (AGEK) 0.344 INCHES NOMINAL
SPRING FREE OUTSIDE DIAMETER: (AXLQ) 0.313 INCHES NOMINAL
STYLE DESIGNATOR: (STYL) SINGLE TORSION LEFT HAND
END STYLE: (ABQK) UNABLE TO DECODE