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NSN 3120-01-198-7971, 3120011987971
Cancelled -> Replaced by 3120000031754

Federal Supply Classification
FSC 3120 - Bearings, Plain, Unmounted
National Item Identification Number
NIIN 011987971
Codification Country
United States
Item Name Code
INC 13205
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 3120-01-198-7971

National Stock Number (NSN) 3120-01-198-7971, or NIIN 011987971, (bearing,sleeve) was assigned January 14, 1985 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 1 stock number, 3120000031754.

There are 4 manufacturer part numbers associated with this NSN. 3 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 Jun 16, 2010. 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: SPM4A510MA431. The total value of the awarded contracts has been US$ 1,306.50.

This NSN is somewhat common among different platforms, belonging to 4 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. The 24 month forecast from the US Government for this part number has high volatility, with an estimated forecasted value of US$ 2,762. 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.) Acquisition of this part is controlled by QPL procedures. Valid AMCs: 1 and 2.

This NSN is assigned to Item Name Code (INC) 13205. [A TUBULAR SHAPED ITEM WITH OR WITHOUT FLANGE(S) DESIGNED TO REDUCE FRICTION AND CARRY A KINETIC LOAD ON THE SURFACE(S) PARALLEL TO THE AXIS OF THE BORE. IT MUST HAVE A VISIBLE OR DETECTABLE MEANS OF LUBRICATION OR BE SELF-LUBRICATED. THE OVER ALL LENGTH MUST EXCEED 25 PERCENT OF THE OUTSIDE DIAMETER OR THE SHORTEST DISTANCE BETWEEN PERIPHERAL FLATS OF THE BODY, EXCEPT FOR STRAIGHT TUBULAR (WITHOUT FLANGE OR SHOULDER) ITEMS HAVING A BEARING SURFACE(S) PARALLEL TO THE AXIS OF THE BORE ONLY. INCLUDES ITEMS WHICH ARE DIVIDED INTO TWO OR MORE SEGMENTS WHICH INCLUDE 180 DEGREES (3.141 RADIANS) OR LESS OF THE BEARING PERIPHERY. SEE ALSO BUSHING, SLEEVE; SPACER, SLEEVE; AND WASHER (AS MODIFIED). EXCLUDES:PIN, HOLLOW.]. 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 3120011987971 does not contain precious metals.

This NSN is associated to Schedule B 8482997090: parts, nesoi, for roller bearings or for combined ball/roller bearings, nesoi. 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

BODY INSIDE DIAMETER
(ADAS) 0.3130 INCHES MINIMUM AND 0.3140 INCHES MAXIMUM
BODY OUTSIDE DIAMETER
(ADAR) 0.4381 INCHES MINIMUM AND 0.4386 INCHES MAXIMUM
CORNER SHAPE
(BZLX) SQUARE ALL CORNERS
OVERALL LENGTH
(ABHP) 0.2400 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATION
(MDCL) AMS 5643 ASSN STD SINGLE MATERIAL RESPONSE OUTER LAYER
MATERIAL
(MATT) PLASTIC POLYTETRAFLUOROETHYLENE INNER LAYER
MATERIAL
(MATT) STEEL COMP 630 OUTER LAYER
STYLE DESIGNATOR
(STYL) SOLID, PLAIN, NO OUTSIDE FLANGES
SURFACE FINISH
(CSYM) 125.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY
SURFACE FINISH
(CSYM) 125.0 MICROINCHES LEFT END SURFACE OF BODY
SURFACE FINISH
(CSYM) 125.0 MICROINCHES RIGHT END SURFACE OF BODY
SURFACE FINISH
(CSYM) 63.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY
STYLE DESIGNATOR
(STYL) 17C SOLID, PLAIN, NO OUTSIDE FLANGES
STYLE DESIGNATOR
(STYL) SOLID

Manufacturer Part Numbers


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