# NSN 3110-01-031-0808: Bearing, Ball, Airframe

NSN 3110-01-031-0808 (also written 3110010310808; NIIN 01-031-0808) is a bearing, ball, airframe 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: 3110-01-031-0808 (3110010310808)
- NIIN: 01-031-0808 (010310808)
- Item name: BEARING,BALL,AIRFRAME
- 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 T: handled under qualified products list procedures. (observed 2026-10-28)
- Acquisition method code: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| ABXV | BORE DIAMETER | INCHES MINIMUM 2.0615 AND INCHES MAXIMUM 2.0635 |
| ADGA | OVERALL OUTSIDE DIAMETER | INCHES MINIMUM 2.6243 AND INCHES MAXIMUM 2.6250 |
| AGVT | OUTER RING WIDTH | INCHES MINIMUM 0.2450 AND INCHES MAXIMUM 0.2500 |
| AGVU | INNER RING WIDTH | INCHES MINIMUM 0.2785 AND INCHES MAXIMUM 0.2810 |
| AGYJ | SEAL QUANTITY | 2 |
| AGYW | BEARING SEAL TYPE | CONTACT |
| AGZC | LOAD DIRECTION | RADIAL |
| FEAT | SPECIAL FEATURES | 0.0001 IN. MIN 0.0005 IN. MAX RADIAL CLEARANCE |
| LBMA | LUBRICATION MATERIAL | GREASE |
| LMDC | LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATION | MIL SPEC SINGLE MATERIAL RESPONSE -IL-G-81322 |
| MATT | MATERIAL | SEAL GLASS FIBER AND PLASTIC POLYTETRAFLUOROETHYLENE |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | ALL EXTERNAL/EXPOSED METAL SURFACES FED SPEC SINGLE MATERIAL RESPONSE QQ--416,TY 1,CL 2 |
| SFTT | SURFACE TREATMENT | ALL EXTERNAL/EXPOSED METAL SURFACES CADMIUM |
| STYL | STYLE DESIGNATOR | — |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| MB545DD | 21335 | TIMKEN CO DIV THE TIMKEN COMPANY | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| MB545DDAXXXX | 21335 | TIMKEN CO DIV THE TIMKEN COMPANY | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| MB545DDFS428 | 21335 | TIMKEN CO DIV THE TIMKEN COMPANY | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| MB545DDFS464 | 21335 | TIMKEN CO DIV THE TIMKEN COMPANY | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| MS27646-45 | 0U583 | SAE INTERNATIONAL DBA SAE INTERNATIONAL | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| MS27646-45 | 81343 | SOCIETY OF AUTOMOTIVE ENGINEERS INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| MS27646-45 | 96906 | MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-08-27 | [SPE4A626PX954](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=3110010310808) | BEARING, BALL, AIRFRAME | AVIARMS SUPPORT CORP | $2,280.00 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=3110010310808&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=3110010310808
- 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/3110-01-031-0808/
JSON: https://nsnexplorer.com/api/nsn/3110-01-031-0808.json