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NSN 3120-01-253-5445, 3120012535445
BEARING,WASHER,THRUST

Federal Supply Classification
FSC 3120 - Bearings, Plain, Unmounted
National Item Identification Number
NIIN 012535445
Codification Country
United States
Item Name Code
INC 13211
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 3120-01-253-5445

National Stock Number (NSN) 3120-01-253-5445, or NIIN 012535445, (bearing,washer,thrust) 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 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, with the most recent procurement date of Apr 16, 2019. There have been 3 contracts issued for this part number, with 6 awards given. The US Government has only awarded those contracts to one supplier. The last contract numbers awarded were: SPE4A619F247G, SPRPA113G001X, SPRPA113G001X, SPRPA113G001X, SPRPA113G001X. The total value of the awarded contracts has been US$ 108,395.62.

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. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Mar 04, 2020, 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) 13211. [AN ITEM OF ANY PERIPHERAL SHAPE USUALLY HAVING ONE FLAT OR SPHERICAL SURFACE AND A CENTRALLY LOCATED HOLE. IT IS DESIGNED FOR APPLICATIONS INVOLVING MOVING (KINETIC) LOADS. EXCEPT FOR ITEMS FABRICATED FROM BEARING QUALITY SYNTHETIC (PLASTIC) OR COMPOSED OF MULTILAYER MATERIAL, ONE BEARING SURFACE MUST EITHER HAVE A SPECIFIC SURFACE FINISH DESIGNATION OF 32 MICROINCH (0.8 MICROMETRE) OR LESS, ARITHMETICAL AVERAGE (AA) (ARITHMETIC MEAN DEVIATION) OR ONE OF THE FOLLOWING CONDITIONS: BE LAPPED OR GROUND; HAVE VISIBLE OR DETECTABLE MEANS OF LUBRICATION; GROOVES, INDENTATIONS; OR SELF-LUBRICATION. THE THICKNESS MUST NOT EXCEED 25 PERCENT OF THE OUTSIDE DIAMETER OF THE SHORTEST DISTANCE BETWEEN PERIPHERAL FLATS (WHEN THICKNESS AND/OR OUTSIDE DIAMETER IS DESIGNATED AS A TOLERANCE DIMENSION, THE MAXIMUM DIMENSION WILL BE USED TO DETERMINE COMPLIANCE). EXCLUDES:STRAIGHT, TUBULAR (WITHOUT FLANGE) ITEMS HAVING A BEARING SURFACE(S) PARALLEL TO THE AXIS OF THE BORE ONLY. SEE ALSO WASHER, FLAT AND SPACER, SLEEVE.]. 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 3120012535445 does not contain precious metals.

This NSN is associated to Schedule B 8482105008: thrust ball bearings. 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

WIDTH ACROSS FLATS
(AAZK) 1.3700 INCHES MINIMUM AND 1.3800 INCHES MAXIMUM
UNABLE TO DECODE
(AAZK) UNABLE TO DECODE AND UNABLE TO DECODE
CENTER HOLE SHAPE STYLE
(ABMX) ROUND
CORNER SHAPE
(BZLX) CHAMFERED SECOND OUTSIDE CORNER
CORNER SHAPE
(BZLX) SQUARE FIRST INSIDE CORNER
CORNER SHAPE
(BZLX) SQUARE FIRST OUTSIDE CORNER
CORNER SHAPE
(BZLX) SQUARE SECOND INSIDE CORNER
CROSS-SECTIONAL SHAPE STYLE
(AAGR) RECTANGULAR
DIAMETER
(ABMZ) 0.8000 INCHES MINIMUM AND 0.8100 INCHES MAXIMUM
OVERALL THICKNESS
(ADUM) 0.0615 INCHES MINIMUM AND 0.0625 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATION
(MDCL) MS23.10 MFR REF SINGLE MATERIAL RESPONSE OR MS23.12 MFR REF SINGLE MATERIAL RESPONSE OVERALL
MATERIAL
(MATT) STEEL OVERALL
SPECIAL FEATURES
(FEAT) 8 SLOTS EQUALLY SPACED IN INSIDE DIA
WIDTH ACROSS FLATS
(ASDB) 1.3700 INCHES MINIMUM AND 1.3800 INCHES MAXIMUM
SURFACE FINISH
(CSYM) 32.0 MICROINCHES LEFT SIDE
SURFACE FINISH
(CSYM) 32.0 MICROINCHES RIGHT SIDE
MATERIAL
(MATT) UNABLE TO DECODE

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