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NSN 3120-01-215-4420, 3120012154420
BEARING,PLAIN,SELF-ALIGNING

Federal Supply Classification
FSC 3120 - Bearings, Plain, Unmounted
National Item Identification Number
NIIN 012154420
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 3120-01-215-4420

National Stock Number (NSN) 3120-01-215-4420, or NIIN 012154420, (bearing,plain,self-aligning) was assigned August 25, 1985 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.

There is only one manufacturer part number associated with this NSN. None of the associated 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.

This part number has not been procured by the US Government in over 5 years.

This NSN is unique to one weapons system.

Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Feb 02, 2005, this NSN's acquisition method was noted as: Not established. Not established.

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 3120012154420 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) 0.2500 INCHES MINIMUM AND 0.2502 INCHES MAXIMUM
HARDNESS RATING
(CQFM) 38.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM RACE INSERT
HARDNESS RATING
(CQFM) 57.0 ROCKWELL C MINIMUM AND 61.0 ROCKWELL C MAXIMUM INNER MEMBER
INNER MEMBER WIDTH
(AGGJ) 0.4710 INCHES MINIMUM AND 0.5930 INCHES MAXIMUM
OUTER MEMBER WIDTH
(AGGH) 0.2660 INCHES MINIMUM AND 0.2760 INCHES MAXIMUM
OUTER MEMBER OUTSIDE DIAMETER
(AGGF) 0.4850 INCHES NOMINAL
LUBRICATION FEATURE
(CTLM) GROOVE INSIDE DIAMETER SURFACE OF RACE INSERT
LUBRICATION MATERIAL
(ADZG) LUBRICATING OIL, MIL-L-6085
MATERIAL DOCUMENT AND CLASSIFICATION
(MDCL) AMS 5643 ASSN STD SINGLE MATERIAL RESPONSE RACE INSERT
MATERIAL DOCUMENT AND CLASSIFICATION
(MDCL) AMS 6440 ASSN STD SINGLE MATERIAL RESPONSE INNER MEMBER
MATERIAL
(MATT) STEEL COMP 630 RACE INSERT
MATERIAL
(MATT) STEEL COMP E52100 INNER MEMBER
SPECIAL FEATURES
(FEAT) RADIAL CLEARANCE SHALL BE 0.0001 TO 0.0005 IN.;RACE ENDS THREADED 0.750-16-UNF 2A GROUND THD;PEACEKEEPER STAGE IV S
STYLE DESIGNATOR
(STYL) WITHOUT INSERT OR LINER
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION
(STDC) QQ-C-320,CLASS 1 FED SPEC SINGLE TREATMENT RESPONSE SPHERICAL SURFACE OF RACE INSERT
SURFACE TREATMENT
(SFTT) CHROMIUM SPHERICAL SURFACE OF RACE INSERT

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