# NSN 3110-00-428-6505: Bearing, Ball, Annular

NSN 3110-00-428-6505 (also written 3110004286505; NIIN 00-428-6505) is a bearing, ball, annular in Federal Supply Class 3110, Bearings, Antifriction, Unmounted. 7 manufacturer part numbers from 4 suppliers are on record. It was last purchased in Aug 2026.

## Identification

- NSN: 3110-00-428-6505 (3110004286505)
- NIIN: 00-428-6505 (004286505)
- 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 2026-10-28)
- Acquisition method code: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AGZD | BORE SHAPE | STRAIGHT |
| AGYK | SHIELD QUANTITY | 2 |
| AGZC | LOAD DIRECTION | RADIAL |
| LMDC | LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATION | MIL SPEC SINGLE MATERIAL RESPONSE -IL-G-81322 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | INNER RING FED STD SINGLE MATERIAL RESPONSE FED-STD-66 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | OUTER RING FED STD SINGLE MATERIAL RESPONSE FED-STD-66 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | RETAINER MFR REF SINGLE MATERIAL RESPONSE CYRB278-1,05624 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | SHIELD MFR REF SINGLE MATERIAL RESPONSE CYRB278-1,05624 |
| FEAT | SPECIAL FEATURES | LUBRICANT 1/2 FULL |
| MATT | MATERIAL | BALL STEEL COMP 440C |
| ABMK | OVERALL WIDTH | INCHES NOMINAL 0.1960 |
| ABXV | BORE DIAMETER | INCHES NOMINAL 0.2500 |
| ADGA | OVERALL OUTSIDE DIAMETER | INCHES NOMINAL 0.6250 |
| AGYE | SURFACE FINISH | GROUND |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | BALL FED STD SINGLE MATERIAL RESPONSE FED-STD-66 |
| AGYF | RETAINER FABRICATION METHOD | PRESSED |
| STYL | STYLE DESIGNATOR | — |
| MATT | MATERIAL | OUTER RING STEEL COMP 440C |
| MATT | MATERIAL | RETAINER STEEL |
| MATT | MATERIAL | SHIELD STEEL |
| CTFZ | STANDARD TOLERANCE DESIGNATION | ABEC NO.1 |
| LBMA | LUBRICATION MATERIAL | GREASE |
| AKVV | INTERNAL CLEARANCE | INCHES MINIMUM RADIAL 0.0001 AND INCHES MAXIMUM RADIAL 0.0005 |
| MATT | MATERIAL | INNER RING STEEL COMP 440C |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| CYRB278-1 | 05624 | GE AVIATION SYSTEMS LLC DBA GE AVIATION SYSTEMS LLC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| CYRB278-1 | 38443 | SKF USA INC. | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| CYRB278-1 | 50294 | NEW HAMPSHIRE BALL BEARINGS INC DIV PRECISION DIVISION | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| CYRB278-1-0-24 | 05624 | GE AVIATION SYSTEMS LLC DBA GE AVIATION SYSTEMS LLC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| R4FFMST | 38443 | SKF USA INC. | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| SR41PPK15 | 50294 | NEW HAMPSHIRE BALL BEARINGS INC DIV PRECISION DIVISION | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| SR41PPK15 | 83086 | NEW HAMPSHIRE BALL BEARINGS INC DIV HITECH DIVISION | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-08-27 | [SPE4A626PU076](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=3110004286505) | BEARING, BALL, ANNULAR | — | $690.72 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=3110004286505&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=3110004286505
- 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/3110-00-428-6505/
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