NSN 5360-01-128-4272, 5360011284272
SPRING,HELICAL,COMPRESSION

Federal Supply Classification: FSC 5360 - Coil, Flat, Leaf, and Wire Springs
National Item Identification Number: NIIN 011284272
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 5360-01-128-4272

National Stock Number (NSN) 5360-01-128-4272, or NIIN 011284272, (spring,helical,compression) was assigned March 20, 1982 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, 2 suppliers are listed as Active suppliers 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 4 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 5360011284272 does not contain precious metals.

This information was last updated on Aug 01, 2025.

Technical Characteristics

COIL HELIX DIRECTION: (AXLH) RIGHT-HAND OR LEFT-HAND
COIL QUANTITY: (APCN) 9
END STYLE: (ABQK) UNABLE TO DECODE
INSIDE DIAMETER: (AARX) 1.110 INCHES MINIMUM
MATERIAL DOCUMENT AND CLASSIFICATION: (MDCL) UNABLE TO DECODE
MATERIAL: (MATT) UNABLE TO DECODE
SPRING DEFLECTION RATE: (AXLP) 13.000 POUNDS PER INCH NOMINAL
SPRING FREE LENGTH: (AGEK) 4.080 INCHES NOMINAL
SPRING FREE OUTSIDE DIAMETER: (AXLQ) 1.345 INCHES MAXIMUM
SPRING SOLID LENGTH: (AXJQ) 0.950 INCHES MAXIMUM
STYLE DESIGNATOR: (STYL) CYLINDRICAL
MATERIAL: (MATT) STEEL UNS K08500 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION: (MDCL) ASTM A228 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
END STYLE: (ABQK) E4 SPRING END,SQUARED AND GROUND BOTH ENDS
END STYLE: (ABQK) SPRING END,SQUARED AND GROUND BOTH ENDS
END STYLE: (ABQK) RIGHT HAND SQUARED AND GROUND BOTH ENDS