NSN 5360-00-073-4402, 5360000734402
SPRING,HELICAL,COMPRESSION

Federal Supply Classification: FSC 5360 - Coil, Flat, Leaf, and Wire Springs
National Item Identification Number: NIIN 000734402
Codification Country: United States
Item Name Code: INC 04226
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 5360-00-073-4402

National Stock Number (NSN) 5360-00-073-4402, or NIIN 000734402, (spring,helical,compression) 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. One of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 2 suppliers. 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.

This NSN is somewhat common among different platforms, belonging to 2 different weapons systems.

Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Apr 12, 2013, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. The data or the rights to use the data needed to purchase this part from additional sources are not owned by the Government and it has been determined that it is uneconomical to purchase them. Valid AMCs: 1, 2, 3, 4 and 5.

This NSN is assigned to Item Name Code (INC) 04226. [AN OPEN COILED SPRING, WOUND IN VARIOUS FORMS AND FROM DIFFERENT SHAPES AND TYPES OF MATERIALS AND FINISHED AT THE ENDS, DESIGNED TO PROVIDE RESISTANCE TO COMPRESSION FORCES. EXCLUDES:SPRINGS DESIGNED FOR THERMAL ACTUATION (SPRINGS IN WHICH THE TORSION FORCES ARE DESIGNED TO BE 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 5360000734402 contains an unknown precious metal.

This information was last updated on Jul 01, 2025.

Technical Characteristics

END STYLE: (ABQK) E4 SPRING END,SQUARED AND GROUND BOTH ENDS
COIL HELIX DIRECTION: (AXLH) RIGHT-HAND OR LEFT-HAND
COIL QUANTITY: (APCN) 4
END STYLE: (ABQK) SPRING END,SQUARED AND GROUND BOTH ENDS
INSIDE DIAMETER: (AARX) 1.700 INCHES MINIMUM AND 1.730 INCHES MAXIMUM
LOAD RATING: (ASZD) 20.000 POUNDS NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATION: (MDCL) MIL-S-6101 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIAL: (MATT) STEEL OVERALL
SPRING DEFLECTION RATE: (AXLP) 2.800 POUNDS PER INCH NOMINAL
SPRING FREE LENGTH: (AGEK) 1.310 INCHES NOMINAL
SPRING LENGTH UNDER LOAD: (CSZP) 0.600 INCHES NOMINAL
SPRING FREE OUTSIDE DIAMETER: (AXLQ) 1.950 INCHES MINIMUM AND 1.980 INCHES MAXIMUM
SPRING SOLID OUTSIDE DIAMETER: (AXJR) 1.950 INCHES MINIMUM AND 1.980 INCHES MAXIMUM
SPRING SOLID LENGTH: (AXJQ) 0.600 INCHES NOMINAL
STYLE DESIGNATOR: (STYL) CYLINDRICAL
END STYLE: (ABQK) RIGHT HAND SQUARED AND GROUND BOTH ENDS