NSN 3110-00-893-0891, 3110008930891
BEARING ASSEMBLY,SPHERICAL

Federal Supply Classification: FSC 3110 - Bearings, Antifriction, Unmounted
National Item Identification Number: NIIN 008930891
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.

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 3110-00-893-0891

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

+1-321-773-5710

REQUEST QUOTE for 3110-00-893-0891

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

Upload a List

DLMS^® Summary

National Stock Number 3110-00-893-0891

National Stock Number (NSN) 3110-00-893-0891, or NIIN 008930891, (bearing assembly,spherical) was assigned January 1, 1962 in the Federal Logistics Information System (FLIS). This NSN does not replace any other NSNs.

There are 4 manufacturer part numbers associated with this NSN. 2 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 5 suppliers. Today, 5 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 4 suppliers are deemed design controlled or valid supply parts.

This part number has not been procured by the US Government in over a year. There have been 31 contracts issued for this part number, with 34 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: SPE4A625P0825, SPE4A624V314Z, SPE4A624V314Z, SPE4A624PT398, SPE4A624PQ162. The total value of the awarded contracts has been US$ 2,261,431.80.

This NSN is somewhat common among different platforms, belonging to 2 different weapons systems.

There has been a small amount of 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.) Acquisition of this part is restricted to source(s) specified on "Source Control", "Altered Item" or "Selected Item" drawings/documents. Valid AMCs: 1, 2, 3, 4 and 5.

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 3110008930891 contains an unknown precious metal.

This information was last updated on Aug 01, 2025.

Technical Characteristics

GENERAL CHARACTERISTICS ITEM DESCRIPTION: (TEXT) ALUMINUM ALLOY,BEARING RINGS AND SPACER,PLASTIC,POLYTETRAFLUOROETHYLENE LINER,DIM.,12.630 IN. MIN,12.632 IN. MAX OD RING,12.620 IN. MIN,12.628 IN. MAX OD SPACER,12.3701 IN. MIN,12.3724 IN. MAXID,1.994 IN. MIN,2.004 IN. MAX O/A W,0.748 IN. MIN,0.750 IN. MAX RING W,0.500 IN. NOM SPACER W,BEARING CONSISTS OF TWO MATCHED RINGS SEPARATED BY ONE ALUMINUM SPACER,ALL THREE PARTS OF MATCHED UNIT MARKED W/COMMON SERIAL NO.