# NSN 3110-00-405-4639: Bearing, Ball, Annular

NSN 3110-00-405-4639 (also written 3110004054639; NIIN 00-405-4639) is a bearing, ball, annular in Federal Supply Class 3110, Bearings, Antifriction, Unmounted. 4 manufacturer part numbers from 3 suppliers are on record. It was last purchased in Oct 2026.

## Identification

- NSN: 3110-00-405-4639 (3110004054639)
- NIIN: 00-405-4639 (004054639)
- Item name: BEARING,BALL,ANNULAR
- Federal Supply Class: [FSC 3110 Bearings, Antifriction, Unmounted](https://nsnexplorer.com/fsc/3110/)
- Federal Supply Group: [FSG 31](https://nsnexplorer.com/group/31/)
- Acquisition method suffix code: AMSC B: must be bought from the sources named on a source control or selected item drawing. (observed 2026-10-17)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| ADGA | OVERALL OUTSIDE DIAMETER | INCHES NOMINAL 2.1654 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | OUTER RING FED STD SINGLE MATERIAL RESPONSE FED-STD-66 |
| TEST | TEST DATA DOCUMENT | 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.). 81349--IL-I-6868 AND 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.). 81349--IL-I-6866 |
| MATT | MATERIAL | INNER RING STEEL COMP E52100 |
| MATT | MATERIAL | OUTER RING STEEL COMP E52100 |
| MATT | MATERIAL | RETAINER COPPER ALLOY 864 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | BALL FED STD SINGLE MATERIAL RESPONSE FED-STD-66 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | INNER RING FED STD SINGLE MATERIAL RESPONSE FED-STD-66 |
| AGZC | LOAD DIRECTION | ANGULAR |
| CTFZ | STANDARD TOLERANCE DESIGNATION | ABEC NO.3 |
| MATT | MATERIAL | BALL STEEL COMP E51100 |
| ABMK | OVERALL WIDTH | INCHES NOMINAL 0.3937 |
| ABXV | BORE DIAMETER | INCHES NOMINAL 1.3780 |
| CTHY | CONTACT ANGLE | DEGREES NOMINAL 12.0 |
| AGYE | SURFACE FINISH | GROUND |
| AGYF | RETAINER FABRICATION METHOD | MACHINED |
| AKVV | INTERNAL CLEARANCE | INCHES MINIMUM RADIAL 0.0005 AND INCHES MAXIMUM RADIAL 0.0008 |
| AGZD | BORE SHAPE | STRAIGHT |
| STYL | STYLE DESIGNATOR | — |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | RETAINER ASSN STD SINGLE MATERIAL RESPONSE AST- B147,81346 |
| FEAT | SPECIAL FEATURES | STABILIZED FOR OPERATION AT M65 TO P275 DEG F,C SCALE 58 MIN ROCKWELL HARDNESS BALLS,INNER AND OUTER RINGS,SURFACE FINISH ID INNER RING AND OD OUTER RING 16 MICROINCHES AA,RACEWAYS 8 MICROINCHES AA,INNER RING OD 20 MICROINCHES AA,ID OUTER RING 125 MICROINCHES AA,RING FACES 32 MICROINCHES AA,RETAINER 63 MICROINCHES AA |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 1907R4 | 38443 | SKF USA INC. | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 2M9307WIMBRE9076 | 21335 | TIMKEN CO DIV THE TIMKEN COMPANY | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 59636 | 38443 | SKF USA INC. | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 59636 | 93835 | PARKER HANNIFIN CORPORATION DIV HYDRAULIC SYSTEMS DIVISION | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-10-16 | [SPE4A727P0852](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=3110004054639) | BEARING, BALL, ANNULAR | BROWN HELICOPTER, INC. DBA BROWN HELICOPTER INC | $849.00 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=3110004054639&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=3110004054639
- AMSC record: https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/
- USAspending contract actions (each award above links to its record)
- All data is public U.S. government data; every row above links to its source record where one exists.

Canonical page: https://nsnexplorer.com/nsn/3110-00-405-4639/
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