NSN 3120-00-015-2774, 3120000152774
SPACER,HUB,TRACK SUSPENSION

Federal Supply Classification: FSC 3120 - Bearings, Plain, Unmounted
National Item Identification Number: NIIN 000152774
Codification Country: United States
Item Name Code: INC 77777
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 3120-00-015-2774

National Stock Number (NSN) 3120-00-015-2774, or NIIN 000152774, (spacer,hub,track suspension) was assigned January 1, 1961 in the Federal Logistics Information System (FLIS). This NSN does not replace any other NSNs.

There are no manufacturer part numbers associated to this NSN.

This part number has not been procured by the US Government in over 5 years, with the most recent procurement date of Apr 19, 2019. There have been 4 contracts issued for this part number, with 4 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 2 different suppliers. The last contract numbers awarded were: SPE4A419V5814, SPE4A619V1137, SPE4A618V2255, SPE4A618V2255, SPE4A616VC576. The total value of the awarded contracts has been US$ 24,296.69.

This NSN is somewhat common among different platforms, belonging to 6 different weapons systems.

There has been very little demand for this national stock number. The demand for this NSN originated from less than 5 countries. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Dec 06, 2013, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) The Government has unlimited rights to the technical data, and the data package is complete. Valid AMCs: 1 and 2.

This NSN is assigned to Item Name Code (INC) 77777. 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 3120000152774 does not contain precious metals.

This NSN is associated to Schedule B 8483308090: plain shaft bearings, without housing, except spherical. The Schedule B End Use is listed as industrial machines, other. NAICS classification category 333613: mechanical power transmission equipment manufacturing.

This information was last updated on Jul 01, 2025.

Technical Characteristics

GENERAL CHARACTERISTICS ITEM DESCRIPTION: (TEXT) STEEL CASTING,FED QQ-S-681,CLASS 65-35,11/32 IN. THK MATERIAL,4-13/16 IN. ID BY 5-1/2 IN. OD 1ST END AND 5-13/16 IN. ID BY 6-31/64 IN. OD 2ND END W/CONE SHAPED BORE 3-5/16 IN. O/A LG,FOUR 1/2 IN. DIA HOLES EQUALLY SPACED ON OD AND 1-5/8 IN. LG FROM 2ND END,ONE 5/8 IN. W BY 9/16 IN. LG LUG PARALLEL ON EA END