NSN 5360-00-334-0449, 5360003340449
SPRING,HELICAL,TORSION

Federal Supply Classification: FSC 5360 - Coil, Flat, Leaf, and Wire Springs
National Item Identification Number: NIIN 003340449
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 5360-00-334-0449

National Stock Number (NSN) 5360-00-334-0449, or NIIN 003340449, (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 146 manufacturer part numbers associated with this NSN. 145 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: 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 5360003340449 contains an unknown precious metal.

This information was last updated on May 01, 2025.

Technical Characteristics

END ANGULAR RELATIONSHIP: (AXMH) ENDS ANGLED ONE TO OTHER
COIL HELIX DIRECTION: (AXLH) RIGHT-HAND
COIL QUANTITY: (APCN) 4
END LENGTH FROM COIL AXIS TO FIRST BEND: (CXTM) 0.625 INCHES NOMINAL FIRST END
END LENGTH FROM FIRST BEND TO SECOND BEND OR END: (CXTN) 0.250 INCHES NOMINAL FIRST END
END STYLE: (ABQK) PARALLEL END FIRST END
END STYLE: (ABQK) STRAIGHT EYE END SECOND END
END TANGENT ANGLE: (CXTS) 45.0 DEGREES NOMINAL
END LENGTH: (CXTH) 0.875 INCHES NOMINAL FIRST END
END LENGTH: (CXTH) 1.125 INCHES NOMINAL SECOND END
HOOK OPENING WIDTH: (AAUF) 0.031 INCHES NOMINAL SECOND END
HOOK RADIUS: (AXMC) 0.125 INCHES NOMINAL SECOND END
INSIDE DIAMETER: (AARX) 0.625 INCHES NOMINAL
MATERIAL: (MATT) COPPER ALLOY 511 OVERALL
SPRING DEFLECTION RATE: (AXLP) 3.000 POUNDS PER INCH NOMINAL
SPRING FREE LENGTH: (AGEK) 0.375 INCHES NOMINAL
SPRING FREE OUTSIDE DIAMETER: (AXLQ) 0.767 INCHES NOMINAL
STYLE DESIGNATOR: (STYL) SINGLE TORSION RIGHT HAND