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NSN 3120-00-052-1746, 3120000521746
BEARING,WASHER,THRUST

Federal Supply Classification
FSC 3120 - Bearings, Plain, Unmounted
National Item Identification Number
NIIN 000521746
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 3120-00-052-1746

National Stock Number (NSN) 3120-00-052-1746, or NIIN 000521746, (bearing,washer,thrust) was assigned May 20, 1967 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.

There are 3 manufacturer part numbers associated with this NSN. 3 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 3 suppliers. Today, 3 suppliers are listed as Active suppliers 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 Mar 26, 2014. 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: SPE4A614MB720. The total value of the awarded contracts has been US$ 69.30.

This NSN is fairly common among different weapons systems, belonging to 13 different platforms.

There has been very little 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 Feb 21, 2014, 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 data needed to produce this item from additional sources is not physically available. Valid AMCs: 3, 4 and 5.

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 3120000521746 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

STYLE DESIGNATOR
(STYL) ROUND
MATERIAL
(MATT) COPPER ALLOY OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION
(MDCL) MIL-B-5687,TY 1,COMP A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
LUBRICATION MATERIAL
(ADZG) LUBRICATING OIL, MIL-L-15016, SYMBOL 2190
OVERALL THICKNESS
(ADUM) 0.0930 INCHES NOMINAL
OUTSIDE DIAMETER
(ABKV) 1.0000 INCHES NOMINAL
NONDEFINITIVE SPEC/STD DATA
(ZZZT) 1 TYPE AND A COMPOSITION
DIAMETER
(ABMZ) 0.5100 INCHES NOMINAL
CROSS-SECTIONAL SHAPE STYLE
(AAGR) RECTANGULAR
CORNER SHAPE
(BZLX) SQUARE ALL CORNERS
CENTER HOLE SHAPE STYLE
(ABMX) ROUND

Manufacturer Part Numbers

MILB5687

RNCC
5
RNVC
9
T10012

RNCC
5
RNVC
9
TT10012

RNCC
5
RNVC
9
TT10012

RNCC
5
RNVC
9
TT10012

RNCC
3
RNVC
2

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