NSN 5360-00-397-9877, 5360003979877
SPRING,HELICAL,COMPRESSION

Federal Supply Classification: FSC 5360 - Coil, Flat, Leaf, and Wire Springs
National Item Identification Number: NIIN 003979877
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 5360-00-397-9877

National Stock Number (NSN) 5360-00-397-9877, or NIIN 003979877, (spring,helical,compression) was assigned April 15, 1974 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 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 5360003979877 contains an unknown precious metal.

This information was last updated on Aug 01, 2025.

Technical Characteristics

MATERIAL: (MATT) UNABLE TO DECODE
END STYLE: (ABQK) UNABLE TO DECODE
MATERIAL DOCUMENT AND CLASSIFICATION: (MDCL) UNABLE TO DECODE
SURFACE TREATMENT: (SFTT) UNABLE TO DECODE
COIL HELIX DIRECTION: (AXLH) LEFT-HAND
COIL QUANTITY: (APCN) 5-1/4
END STYLE: (ABQK) SPRING END,SQUARED AND GROUND BOTH ENDS
INSIDE DIAMETER: (AARX) 0.370 INCHES MINIMUM AND 0.390 INCHES MAXIMUM
LOAD RATING: (ASZD) 0.450 POUNDS NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATION: (MDCL) MIL-S-6101 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIAL: (MATT) STEEL OVERALL
SPRING FREE LENGTH: (AGEK) 0.660 INCHES NOMINAL
SPRING DEFLECTION RATE: (AXLP) 2.800 POUNDS PER INCH NOMINAL
SPRING FREE OUTSIDE DIAMETER: (AXLQ) 0.420 INCHES MINIMUM AND 0.440 INCHES MAXIMUM
SPRING SOLID LENGTH: (AXJQ) 0.282 INCHES NOMINAL
SPRING LENGTH UNDER LOAD: (CSZP) 0.500 INCHES NOMINAL
SPRING SOLID OUTSIDE DIAMETER: (AXJR) 0.430 INCHES NOMINAL
STYLE DESIGNATOR: (STYL) CYLINDRICAL
SURFACE TREATMENT: (SFTT) TIN OVERALL
END STYLE: (ABQK) E4 SPRING END,SQUARED AND GROUND BOTH ENDS
END STYLE: (ABQK) RIGHT HAND SQUARED AND GROUND BOTH ENDS