NSN 5360-01-286-1820, 5360012861820
SPRING,HELICAL,COMPRESSION

Federal Supply Classification: FSC 5360 - Coil, Flat, Leaf, and Wire Springs
National Item Identification Number: NIIN 012861820
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.

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DLMS^® Summary

National Stock Number 5360-01-286-1820

National Stock Number (NSN) 5360-01-286-1820, or NIIN 012861820, (spring,helical,compression) was assigned September 28, 1988 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.

There are 2 manufacturer part numbers associated with this NSN. None of the associated 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, 2 suppliers are 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 unique to one weapons system.

Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Apr 26, 2008, 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 annual buy value of this part falls below the screening threshold of $10,000 but it has been screened for known source(s). (NOTE: This code shall not be used when screening parts entering the inventory. It shall not be assigned in preference to or supersede any other AMSC.) 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 5360012861820 does not contain precious metals.

This information was last updated on Aug 01, 2025.

Technical Characteristics

END STYLE: (ABQK) E4 SPRING END,SQUARED AND GROUND BOTH ENDS
END STYLE: (ABQK) RIGHT HAND SQUARED AND GROUND BOTH ENDS
MATERIAL: (MATT) STEEL OVERALL OR STEEL COMP 302 OVERALL
MATERIAL: (MATT) STEEL OR STEEL COMP 302 OVERALL
END STYLE: (ABQK) SPRING END,SQUARED AND GROUND BOTH ENDS
COIL HELIX DIRECTION: (AXLH) RIGHT-HAND
END STYLE: (ABQK) UNABLE TO DECODE
INSIDE DIAMETER: (AARX) 0.390 INCHES NOMINAL
SPRING FREE LENGTH: (AGEK) 0.500 INCHES NOMINAL
SPRING DEFLECTION RATE: (AXLP) 29.155 POUNDS PER INCH NOMINAL
SPRING FREE OUTSIDE DIAMETER: (AXLQ) 0.480 INCHES NOMINAL
SPRING SOLID LENGTH: (AXJQ) 0.185 INCHES NOMINAL
SPRING SOLID OUTSIDE DIAMETER: (AXJR) 0.480 INCHES NOMINAL
STOCK DIAMETER: (ACVU) 0.040 INCHES MINIMUM AND 0.050 INCHES MAXIMUM
STYLE DESIGNATOR: (STYL) CYLINDRICAL
MATERIAL DOCUMENT AND CLASSIFICATION: (MDCL) ASTM A313 ASSN STD 1ST MATERIAL RESPONSE OR AMS ASSN STD 2ND MATERIAL RESPONSE OVERALL