NSN 5360-00-022-8621, 5360000228621
SPRING,HELICAL,TORSION

Federal Supply Classification: FSC 5360 - Coil, Flat, Leaf, and Wire Springs
National Item Identification Number: NIIN 000228621
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

Manufacture or supply this part?
Join our growing community of certified suppliers.

Let Us Know

CALL ABOUT NSN 5360-00-022-8621

Our client representatives are standing by to help fulfill your request.

+1-321-773-5710

REQUEST QUOTE for 5360-00-022-8621

Have a list that needs to be quoted? Upload it here.

Upload a List

DLMS^® Summary

National Stock Number 5360-00-022-8621

National Stock Number (NSN) 5360-00-022-8621, or NIIN 000228621, (spring,helical,torsion) was assigned January 1, 1961 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 3 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 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 5360000228621 contains an unknown precious metal.

This information was last updated on Aug 01, 2025.

Technical Characteristics

END LENGTH: (CXTH) 0.510 INCHES MINIMUM AND 0.540 INCHES MAXIMUM BOTH ENDS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: (STDC) QQ-P-416,TYPE 1,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
END ANGULAR RELATIONSHIP: (AXMH) ENDS PARALLEL ONE TO OTHER
COIL HELIX DIRECTION: (AXLH) RIGHT-HAND OR LEFT-HAND
END STYLE: (ABQK) UNABLE TO DECODE
INSIDE DIAMETER: (AARX) 0.190 INCHES MINIMUM
MATERIAL DOCUMENT AND CLASSIFICATION: (MDCL) UNABLE TO DECODE
MATERIAL: (MATT) UNABLE TO DECODE
SPECIAL FEATURES: (FEAT) MAX DEFLECTED LENGTH 0.980 IN.
SPRING FREE OUTSIDE DIAMETER: (AXLQ) 0.312 INCHES MAXIMUM
STYLE DESIGNATOR: (STYL) SINGLE TORSION LEFT HAND
SUPPLEMENTARY FEATURES: (SUPP) 18 ACTIVE COILS MAX
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: (STDC) UNABLE TO DECODE
SURFACE TREATMENT: (SFTT) UNABLE TO DECODE
SURFACE TREATMENT: (SFTT) CADMIUM OVERALL
END STYLE: (ABQK) ONE HOOK END OVERALL
MATERIAL: (MATT) STEEL OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION: (MDCL) QQ-2-470 FED SPEC ALL MATERIAL RESPONSES OVERALL