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NSN 3120-01-204-4839, 3120012044839
BEARING,PLAIN,SELF-ALIGNING

Federal Supply Classification
FSC 3120 - Bearings, Plain, Unmounted
National Item Identification Number
NIIN 012044839
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 3120-01-204-4839

National Stock Number (NSN) 3120-01-204-4839, or NIIN 012044839, (bearing,plain,self-aligning) was assigned March 27, 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 2 manufacturer part numbers associated with this NSN. 2 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by one supplier. 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. ISO Group has several sources of supply for this NSN.

This part number has not been procured by the US Government in over 5 years, with the most recent procurement date of Dec 02, 2016. There has been one contract issued for this part number, with one award given. The US Government has only awarded those contracts to one supplier. The last contract numbers awarded were: SPE4A617V3958, SPE4A617V3958. The total value of the awarded contracts has been US$ 1,559.85.

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 Sep 02, 2006, 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 3120012044839 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

MATERIAL
(MATT) STEEL COMP E4340 OUTER RACE MEMBER OR STEEL COMP 4130 OUTER RACE MEMBER OR STEEL COMP 8630 OUTER RACE MEMBER
LUBRICATION FEATURE
(CTLM) GROOVE INNER MEMBER AND PERFORATION INNER MEMBER
BORE DIAMETER
(ABXV) 0.7495 INCHES MINIMUM AND 0.7500 INCHES MAXIMUM
HARDNESS RATING
(CQFM) 27.0 ROCKWELL C MINIMUM AND 36.0 ROCKWELL C MAXIMUM OUTER RACE MEMBER
HARDNESS RATING
(CQFM) 56.0 ROCKWELL C MINIMUM INNER MEMBER
INNER MEMBER WIDTH
(AGGJ) 0.7480 INCHES MINIMUM AND 0.7500 INCHES MAXIMUM
OUTER MEMBER OUTSIDE DIAMETER
(AGGF) 1.4370 INCHES MINIMUM AND 1.4375 INCHES MAXIMUM
OUTER MEMBER WIDTH
(AGGH) 0.5880 INCHES MINIMUM AND 0.5930 INCHES MAXIMUM
LUBRICATION FEATURE
(CTLM) GROOVE AND PERFORATION INNER MEMBER
LUBRICATION FEATURE
(CTLM) GROOVE AND PERFORATION OUTER RACE MEMBER
LUBRICATION MATERIAL
(ADZG) GREASE, MIL-G-21164
MATERIAL DOCUMENT AND CLASSIFICATION
(MDCL) AMS 5630 ASSN STD 2ND MATERIAL RESPONSE INNER MEMBER
MATERIAL DOCUMENT AND CLASSIFICATION
(MDCL) MIL-S-5000 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-6758 MIL SPEC 2ND MATERIAL RESPONSE OR MIL-S-6050 MIL SPEC 3RD MATERIAL RESPONSE OUTER RACE MEMBER
MATERIAL
(MATT) STEEL COMP E4340 OR STEEL COMP 4130 OR STEEL COMP 8630 OUTER RACE MEMBER
MATERIAL
(MATT) STEEL COMP E52100 OR STEEL COMP 440C INNER MEMBER
SPECIFICATION/STANDARD DATA
(ZZZK) 96906-MS21154 GOVERNMENT STANDARD
STATIC RADIAL LOAD RATING
(AGKP) 46750 POUNDS
STYLE DESIGNATOR
(STYL) WITHOUT INSERT OR LINER WITH STAKING GROOVE
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION
(STDC) QQ-C-320,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE INNER MEMBER
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION
(STDC) QQ-P-416,TYPE 1,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OUTER RACE MEMBER
SURFACE TREATMENT
(SFTT) CADMIUM OUTER RACE MEMBER
SURFACE TREATMENT
(SFTT) CHROMIUM INNER MEMBER
MATERIAL
(MATT) STEEL COMP E52100 INNER MEMBER OR STEEL COMP 440C INNER MEMBER
LUBRICATION FEATURE
(CTLM) GROOVE OUTER RACE MEMBER AND PERFORATION OUTER RACE MEMBER

Manufacturer Part Numbers


Related Inventory

MS21154-S-12
3120012044839
Condition NS
BEARING
Readily Available


 
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