NSN 5360-01-205-5305, 5360012055305
SPRING,HELICAL,COMPRESSION

Federal Supply Classification: FSC 5360 - Coil, Flat, Leaf, and Wire Springs
National Item Identification Number: NIIN 012055305
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

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

Let Us Know

CALL ABOUT NSN 5360-01-205-5305

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

+1-321-773-5710

REQUEST QUOTE for 5360-01-205-5305

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

Upload a List

DLMS^® Summary

National Stock Number 5360-01-205-5305

National Stock Number (NSN) 5360-01-205-5305, or NIIN 012055305, (spring,helical,compression) was assigned April 9, 1985 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.

There are 4 manufacturer part numbers associated with this NSN. 3 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 5360012055305 does not contain precious metals.

This information was last updated on Aug 01, 2025.

Technical Characteristics

MATERIAL DOCUMENT AND CLASSIFICATION: (MDCL) ASTM A313 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL: (MATT) STEEL OVERALL
END STYLE: (ABQK) SPRING END,SQUARED AND GROUND BOTH ENDS
COIL HELIX DIRECTION: (AXLH) RIGHT-HAND OR LEFT-HAND
COIL QUANTITY: (APCN) 8 5/8
END ITEM IDENTIFICATION: (AGAV) W/S: MARS CLASS T-AFS 1; SAFEGUARD CLASS ARS; SPRUANCE CLASS DD (963)
END STYLE: (ABQK) UNABLE TO DECODE
INSIDE DIAMETER: (AARX) 2.189 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATION: (MDCL) UNABLE TO DECODE
MATERIAL: (MATT) UNABLE TO DECODE
SPRING DEFLECTION RATE: (AXLP) 402.000 POUNDS PER INCH NOMINAL
SPRING FREE LENGTH: (AGEK) 6.250 INCHES NOMINAL
SPRING FREE OUTSIDE DIAMETER: (AXLQ) 3.063 INCHES NOMINAL
SPRING SOLID OUTSIDE DIAMETER: (AXJR) 3.063 INCHES NOMINAL
STYLE DESIGNATOR: (STYL) CYLINDRICAL
END STYLE: (ABQK) RIGHT HAND SQUARED AND GROUND BOTH ENDS
END STYLE: (ABQK) E4 SPRING END,SQUARED AND GROUND BOTH ENDS