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NSN 3120-00-332-4437, 3120003324437
BEARING,PLAIN,SELF-ALIGNING

Federal Supply Classification
FSC 3120 - Bearings, Plain, Unmounted
National Item Identification Number
NIIN 003324437
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.
Availability: Readily Available Qualified Suppliers: Currently qualifying suppliers

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DLMS® Summary

National Stock Number 3120-00-332-4437

National Stock Number (NSN) 3120-00-332-4437, or NIIN 003324437, (bearing,plain,self-aligning) was assigned December 22, 1973 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.

There are 10 manufacturer part numbers associated with this NSN. 2 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 9 suppliers. Today, 9 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 5 suppliers are deemed design controlled or valid supply parts.

This part number has been procured by the US Government within the last year, but shows no recent (last 90 days) procurement activity. There have been 9 contracts issued for this part number, with 9 awards given. There is moderate competition for this NSN. The US Government has awarded contracts to 7 different suppliers. The last contract numbers awarded were: SPE4A625V335W, SPE4A623PW296, SPE4A620V6065, SPE4A618V9553, SPE4A617VB423. The total value of the awarded contracts has been US$ 39,486.38.

This NSN is somewhat common among different platforms, belonging to 7 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 May 17, 2017, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. The rights to use the data needed to purchase this part from additional sources are not owned by the Government and cannot be purchased. 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 3120003324437 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

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
MATERIAL
(MATT) UNABLE TO DECODE
MATERIAL
(MATT) COPPER ALLOY 172 INNER MEMBER OR COPPER ALLOY 173 INNER MEMBER
BORE DIAMETER
(ABXV) 0.2495 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM
HARDNESS RATING
(CQFM) UNABLE TO DECODE
INNER MEMBER WIDTH
(AGGJ) 0.3380 INCHES MINIMUM AND 0.3430 INCHES MAXIMUM
MATERIAL
(MATT) COPPER ALLOY 172 OR COPPER ALLOY 173 INNER MEMBER
MATERIAL
(MATT) STEEL COMP 630 OUTER RACE MEMBER
OUTER MEMBER OUTSIDE DIAMETER
(AGGF) 0.6557 INCHES MINIMUM AND 0.6562 INCHES MAXIMUM
OUTER MEMBER WIDTH
(AGGH) 0.2450 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM
STATIC RADIAL LOAD RATING
(AGKP) 6330 POUNDS
STYLE DESIGNATOR
(STYL) WITHOUT INSERT OR LINER WITH STAKING GROOVE

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