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NSN 3120-01-253-5444, 3120012535444
BEARING,PLAIN,SELF-ALIGNING

Federal Supply Classification
FSC 3120 - Bearings, Plain, Unmounted
National Item Identification Number
NIIN 012535444
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 3120-01-253-5444

National Stock Number (NSN) 3120-01-253-5444, or NIIN 012535444, (bearing,plain,self-aligning) was assigned April 20, 1987 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. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 2 suppliers. Today, 2 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 is actively being procured by the US Government, with procurement history within the last 90 days. There have been 6 contracts issued for this part number, with 6 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 4 different suppliers. The last contract numbers awarded were: SPE4A624PJ009, SPE4A623PB913, SPE4A621PR938, SPE4A621PR938, SPE4A618P1651. The total value of the awarded contracts has been US$ 154,404.35.

This NSN is unique to one weapons system.

There has been a small amount of demand for this national stock number. The demand for this NSN originated from less than 5 countries. The 24 month forecast from the US Government for this part number has high volatility, with an estimated forecasted value of US$ 14,029. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Jun 02, 2017, 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 3120012535444 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

LUBRICATION FEATURE
(CTLM) GROOVE INTERNAL OUTER MEMBER AND PERFORATION INTERNAL OUTER MEMBER
LUBRICATION FEATURE
(CTLM) GROOVE EXTERNAL INNER MEMBER AND PERFORATION EXTERNAL INNER MEMBER
BORE DIAMETER
(ABXV) 1.7133 INCHES MINIMUM AND 1.7148 INCHES MAXIMUM
HARDNESS RATING
(CQFM) 28.0 ROCKWELL C MINIMUM AND 36.0 ROCKWELL C MAXIMUM OUTER RACE MEMBER
HARDNESS RATING
(CQFM) 37.0 ROCKWELL C MINIMUM INNER MEMBER
INNER MEMBER WIDTH
(AGGJ) 1.1700 INCHES MINIMUM AND 1.1750 INCHES MAXIMUM
OUTER MEMBER OUTSIDE DIAMETER
(AGGF) 2.5775 INCHES MINIMUM AND 2.5780 INCHES MAXIMUM
OUTER MEMBER WIDTH
(AGGH) 1.1700 INCHES MINIMUM AND 1.1750 INCHES MAXIMUM
LUBRICATION FEATURE
(CTLM) GROOVE AND PERFORATION EXTERNAL INNER MEMBER
LUBRICATION FEATURE
(CTLM) GROOVE AND PERFORATION INTERNAL OUTER MEMBER
LUBRICATION MATERIAL
(ADZG) GREASE, MIL-G-81322
MATERIAL DOCUMENT AND CLASSIFICATION
(MDCL) AMS 5643 ASSN STD SINGLE MATERIAL RESPONSE OUTER RACE MEMBER
MATERIAL DOCUMENT AND CLASSIFICATION
(MDCL) QQ-C-530 FED SPEC ALL MATERIAL RESPONSES INNER MEMBER
MATERIAL
(MATT) COPPER ALLOY 172 OR COPPER ALLOY 173 INNER MEMBER
MATERIAL
(MATT) STEEL COMP 630 OUTER RACE MEMBER
SPECIFICATION/STANDARD DATA
(ZZZK) 76301-4-329 MANUFACTURERS STANDARD
STATIC RADIAL LOAD RATING
(AGKP) 193000 POUNDS
STYLE DESIGNATOR
(STYL) WITHOUT INSERT OR LINER
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION
(STDC) QQ-P-416,TYPE 2,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OUTER RACE MEMBER
SURFACE TREATMENT
(SFTT) CADMIUM AND CHROMATE OUTER RACE MEMBER
SURFACE TREATMENT
(SFTT) CADMIUM OUTER RACE MEMBER AND CHROMATE OUTER RACE MEMBER
MATERIAL
(MATT) COPPER ALLOY 172 INNER MEMBER OR COPPER ALLOY 173 INNER MEMBER

Manufacturer Part Numbers


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