NSN 3110-00-937-1182, 3110009371182
Cancelled -> Replaced by 3110004108152

Federal Supply Classification: FSC 3110 - Bearings, Antifriction, Unmounted
National Item Identification Number: NIIN 009371182
Codification Country: United States
Item Name Code: INC 00014
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 3110-00-937-1182

National Stock Number (NSN) 3110-00-937-1182, or NIIN 009371182, (bearing,ball,annular) was assigned November 16, 1966 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 1 stock number, 3110004108152.

There are 5 manufacturer part numbers associated with this NSN. 4 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 5 suppliers. Today, 5 suppliers are listed as Active suppliers 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.

This NSN is unique to one weapons system.

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 Aug 02, 2008, 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) 00014. [A CYLINDRICAL DEVICE IN WHICH THE INNER OR OUTER RING TURNS UPON A SINGLE OR DOUBLE ROW OF HARDENED BALLS WHICH ROLL EASILY BETWEEN THE TWO RINGS, THUS MINIMIZING FRICTION. FOR ITEMS WITH FACES SPECIALLY GROUND FOR DUPLEX MOUNTING SEE BEARING,BALL,DUPLEX. EXCLUDES:BEARING,BALL,AIRFRAME.]. 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 3110009371182 contains silver.

This NSN is associated to Schedule B 8482105028: angular contact ball 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 Jul 01, 2025.

Technical Characteristics

MATERIAL: (MATT) STEEL INNER RING
MATERIAL DOCUMENT AND CLASSIFICATION: (MDCL) -4001,91547 MFR REF SINGLE MATERIAL RESPONSE BALL
MATERIAL DOCUMENT AND CLASSIFICATION: (MDCL) -4001,91547 MFR REF SINGLE MATERIAL RESPONSE INNER RING
MATERIAL DOCUMENT AND CLASSIFICATION: (MDCL) -4001,91547 MFR REF SINGLE MATERIAL RESPONSE OUTER RING
MATERIAL DOCUMENT AND CLASSIFICATION: (MDCL) -3900,91547 MFR REF SINGLE MATERIAL RESPONSE RETAINER
MATERIAL: (MATT) COPPER ALLOY RETAINER
MATERIAL: (MATT) STEEL OUTER RING
MATERIAL: (MATT) STEEL BALL
STYLE DESIGNATOR: (STYL) 40B 4 POINT BALL CONTACT, SPLIT INNER RING, SEPARABLE
BORE DIAMETER: (ABXV) 55.00 MILLIMETERS NOMINAL
BORE SHAPE: (AGZD) STRAIGHT
CONTACT ANGLE: (CTHY) 22.0 DEGREES MAXIMUM
FEATURES PROVIDED: (CBBL) ALIGNING RING
INTERNAL CLEARANCE: (AKVV) 0.0130 INCHES NOMINAL AXIAL AND 0.0024 INCHES NOMINAL RADIAL
LOAD DIRECTION: (AGZC) ANGULAR
OVERALL OUTSIDE DIAMETER: (ADGA) 100.00 MILLIMETERS NOMINAL
OVERALL WIDTH: (ABMK) 21.00 MILLIMETERS NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATION: (MDCL) UNABLE TO DECODE
MATERIAL: (MATT) UNABLE TO DECODE
PRECIOUS MATERIAL AND LOCATION: (PMLC) RETAINER SILVER
PRECIOUS MATERIAL: (PRMT) SILVER
RETAINER FABRICATION METHOD: (AGYF) MACHINED
SPECIAL FEATURES: (FEAT) HEAT STABILIZED FOR OPERATION AT M65 TO P350 DEG F BALL,INNER AND OUTERRINGS ROCKWELL HARDENED 58.0 TO 62.0 CSCALE INNER AND OUTER RING RACE WAYS 8 UIN AA,BORE AND OD SURFACE INNER RING LIPS 16 UIN AA,RETAINER 32 UIN AAO/A
STANDARD TOLERANCE DESIGNATION: (CTFZ) ABEC NO.5
STYLE DESIGNATOR: (STYL) 4 POINT BALL CONTACT, SPLIT INNER RING, SEPARABLE
SURFACE FINISH: (AGYE) GROUND
TEST DATA DOCUMENT: (TEST) 91547-E1004 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.). OR 91547-+6903 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.).