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NSN 3120-01-204-3440, 3120012043440
BEARING,PLAIN,SELF-ALIGNING

Federal Supply Classification
FSC 3120 - Bearings, Plain, Unmounted
National Item Identification Number
NIIN 012043440
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 3120-01-204-3440

National Stock Number (NSN) 3120-01-204-3440, or NIIN 012043440, (bearing,plain,self-aligning) was assigned March 26, 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 6 manufacturer part numbers associated with this NSN. One of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 7 suppliers. Today, 6 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 5 suppliers are deemed design controlled or valid supply parts. ISO Group has several sources of supply for this NSN.

This part number is actively being procured by the US Government, with procurement history within the last 90 days. There have been 7 contracts issued for this part number, with 7 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: SPE4A625PQ816, SPE4A625PQ816, SPE4A617VB473, SPE4A615V7067, SPE4A615V3017. The total value of the awarded contracts has been US$ 738,320.18.

This NSN is somewhat common among different platforms, belonging to 3 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) 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 3120012043440 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) UNABLE TO DECODE
LUBRICATION FEATURE
(CTLM) GROOVE INNER MEMBER AND PERFORATION INNER MEMBER
LUBRICATION MATERIAL
(ADZG) GREASE, MIL-G-21164
BORE DIAMETER
(ABXV) 0.4370 INCHES MINIMUM AND 0.4375 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) 0.5520 INCHES MINIMUM AND 0.5620 INCHES MAXIMUM
LUBRICATION FEATURE
(CTLM) GROOVE AND PERFORATION INNER MEMBER
LUBRICATION FEATURE
(CTLM) GROOVE AND PERFORATION OUTER RACE MEMBER
MATERIAL DOCUMENT AND CLASSIFICATION
(MDCL) AMS 5643 ASSN STD SINGLE MATERIAL RESPONSE OUTER RACE MEMBER
MATERIAL DOCUMENT AND CLASSIFICATION
(MDCL) MIL-G-21164 MIL SPEC SINGLE MATERIAL RESPONSE LUBRICATION
MATERIAL DOCUMENT AND CLASSIFICATION
(MDCL) QQ-C-530 FED SPEC SINGLE MATERIAL RESPONSE INNER MEMBER
MATERIAL
(MATT) COPPER ALLOY INNER MEMBER
MATERIAL
(MATT) GREASE AND DISULFIDE MOLYBDENUM LUBRICATION
MATERIAL
(MATT) STEEL COMP 630 OUTER RACE MEMBER
OUTER MEMBER OUTSIDE DIAMETER
(AGGF) 0.9370 INCHES MINIMUM AND 0.9375 INCHES MAXIMUM
OUTER MEMBER WIDTH
(AGGH) 0.4370 INCHES MINIMUM AND 0.4470 INCHES MAXIMUM
SPECIFICATION/STANDARD DATA
(ZZZK) 17576-2006920 MANUFACTURERS SPECIFICATION CONTROL
STATIC RADIAL LOAD RATING
(AGKP) 10000 POUNDS
STYLE DESIGNATOR
(STYL) WITHOUT INSERT OR LINER WITH STAKING GROOVE
SPECIAL FEATURES
(FEAT) RADIAL CLEARANCE 0.002
TEST DATA DOCUMENT
(TEST) 81349-MIL-I-6866 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.).
MATERIAL DOCUMENT AND CLASSIFICATION
(MDCL) UNABLE TO DECODE
UNABLE TO DECODE
(ADZG) UNABLE TO DECODE
LUBRICATION FEATURE
(CTLM) GROOVE OUTER RACE MEMBER AND PERFORATION OUTER RACE MEMBER

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