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NSN 3120-00-975-0831, 3120009750831
BEARING,PLAIN,SELF-ALIGNING

Federal Supply Classification
FSC 3120 - Bearings, Plain, Unmounted
National Item Identification Number
NIIN 009750831
Codification Country
United States
Item Name Code
INC 13208
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 3120-00-975-0831

National Stock Number (NSN) 3120-00-975-0831, or NIIN 009750831, (bearing,plain,self-aligning) was assigned January 1, 1962 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.

There are 6 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 7 suppliers. Today, 7 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 a year. There have been 3 contracts issued for this part number, with 3 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 3 different suppliers. The last contract numbers awarded were: SPE4A621V013T, SPE4A615V0402, SPM4A612MGX32. The total value of the awarded contracts has been US$ 1,850.50.

This NSN is somewhat common among different platforms, belonging to 4 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 Sep 01, 2020, 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) 13208. [A DETACHABLE ASSEMBLY IN OR ON WHICH A JOURNAL, GUDGEON, PIVOT, OR THE LIKE MOVES. IT IS USED TO CARRY A LOAD AND TO REDUCE SLIDING FRICTION. IT DOES NOT EMPLOY ROLLING ELEMENTS. THE ITEM CONSISTS OF A BORED PRECISION GROUND BALL (OR SPHERICAL PLAIN BEARING) AROUND WHICH AN OUTER RING IS FITTED. THE ASSEMBLY MAY BE EITHER SEPARABLE OR NONSEPARABLE. EXCLUDES:BEARING, PLAIN, ROD END AND BEARING, PLAIN, SPHERICAL.]. 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 3120009750831 does not contain precious metals.

This NSN is associated to Schedule B 8482300040: spherical roller bearings, single row. The Schedule B End Use is listed as industrial machines, other. NAICS classification category 332991: ball and roller bearing manufacturing.

This information was last updated on .


Technical Characteristics

BORE DIAMETER
(ABXV) 0.4995 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM
HARDNESS RATING
(CQFM) 56.0 ROCKWELL C NOMINAL INNER MEMBER
INNER MEMBER WIDTH
(AGGJ) 0.4950 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM
OUTER MEMBER OUTSIDE DIAMETER
(AGGF) 0.9995 INCHES MINIMUM AND 1.0000 INCHES MAXIMUM
OUTER MEMBER WIDTH
(AGGH) 0.3850 INCHES MINIMUM AND 0.3950 INCHES MAXIMUM
LUBRICATION FEATURE
(CTLM) GROOVE EXTERNAL OUTER MEMBER
LUBRICATION FEATURE
(CTLM) GROOVE INTERNAL INNER MEMBER
LUBRICATION FEATURE
(CTLM) GROOVE INTERNAL OUTER MEMBER
LUBRICATION FEATURE
(CTLM) PERFORATION INNER MEMBER
LUBRICATION FEATURE
(CTLM) PERFORATION OUTER RACE MEMBER
LUBRICATION MATERIAL
(ADZG) GREASE, MIL-G-23827 AND LUBRICANT, SOLID FILM, MIL-L-8937, FORM A
MATERIAL
(MATT) COPPER ALLOY OUTER RACE MEMBER
MATERIAL
(MATT) STEEL COMP E52100 INNER MEMBER
TEST DATA DOCUMENT
(TEST) 81349-MIL-B-8976 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
STATIC RADIAL LOAD RATING
(AGKP) 9750 POUNDS
STYLE DESIGNATOR
(STYL) WITHOUT INSERT OR LINER WITH STAKING GROOVE
SURFACE TREATMENT
(SFTT) CADMIUM OUTER RACE MEMBER
SURFACE TREATMENT
(SFTT) CHROMIUM INNER MEMBER

Manufacturer Part Numbers

55204

RNCC
5
RNVC
1
ASBG8SP11

RNCC
5
RNVC
1
GB14D8

RNCC
5
RNVC
1
GB14D8

RNCC
3
RNVC
2
HSBG813

RNCC
5
RNVC
1
LHBZ8

RNCC
5
RNVC
1
RPG8A1

RNCC
5
RNVC
1

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