NSN 5360-00-347-6804, 5360003476804
SPRING,HELICAL,TORSION

Federal Supply Classification: FSC 5360 - Coil, Flat, Leaf, and Wire Springs
National Item Identification Number: NIIN 003476804
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 5360-00-347-6804

National Stock Number (NSN) 5360-00-347-6804, or NIIN 003476804, (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 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 one supplier. Today, one supplier is listed as an Active supplier for this NSN. Of the active suppliers, only one supplier is 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: Not established. Not established.

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 5360003476804 contains an unknown precious metal.

This information was last updated on Jul 01, 2025.

Technical Characteristics

END ANGULAR RELATIONSHIP: (AXMH) ENDS PARALLEL ONE TO OTHER
COIL HELIX DIRECTION: (AXLH) RIGHT-HAND
COIL QUANTITY: (APCN) 10
END LENGTH: (CXTH) 0.4385 INCHES NOMINAL FIRST END
END LENGTH: (CXTH) 0.5385 INCHES NOMINAL SECOND END
END LENGTH FROM COIL AXIS TO FIRST BEND: (CXTM) 0.0545 INCHES NOMINAL BOTH ENDS
END LENGTH FROM FIRST BEND TO SECOND BEND OR END: (CXTN) 0.384 INCHES NOMINAL FIRST END
END LENGTH FROM FIRST BEND TO SECOND BEND OR END: (CXTN) 0.484 INCHES NOMINAL SECOND END
END LENGTH FROM SECOND BEND TO THIRD BEND OR END: (CXTP) 0.470 INCHES NOMINAL SECOND END
END LENGTH FROM SECOND BEND TO THIRD BEND OR END: (CXTP) 0.620 INCHES NOMINAL FIRST END
END STYLE: (ABQK) L SHAPE END FIRST END
END STYLE: (ABQK) STRAIGHT ANGULAR, LEFT END SECOND END
INSIDE DIAMETER: (AARX) 0.109 INCHES NOMINAL
MATERIAL: (MATT) STEEL UNS K08500 OVERALL
SPRING DEFLECTION RATE: (AXLP) 5.500 POUNDS PER INCH MINIMUM AND 7.500 POUNDS PER INCH MAXIMUM
SPRING FREE LENGTH: (AGEK) 0.690 INCHES NOMINAL
SPRING FREE OUTSIDE DIAMETER: (AXLQ) 0.235 INCHES NOMINAL
STYLE DESIGNATOR: (STYL) SINGLE TORSION RIGHT HAND