# NSN 3120-01-231-0325: Bearing, Sleeve

NSN 3120-01-231-0325 (also written 3120012310325; NIIN 01-231-0325) is a bearing, sleeve in Federal Supply Class 3120, Bearings, Plain, Unmounted. 7 manufacturer part numbers from 3 suppliers are on record. It was last purchased in Sep 2026.

## Identification

- NSN: 3120-01-231-0325 (3120012310325)
- NIIN: 01-231-0325 (012310325)
- Item name: BEARING,SLEEVE
- Federal Supply Class: [FSC 3120 Bearings, Plain, Unmounted](https://nsnexplorer.com/fsc/3120/)
- Federal Supply Group: [FSG 31](https://nsnexplorer.com/group/31/)
- Acquisition method suffix code: AMSC T: handled under qualified products list procedures. (observed 2026-10-27)
- Acquisition method code: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| ABHP | OVERALL LENGTH | INCHES MINIMUM 0.3650 AND INCHES MAXIMUM 0.3750 |
| ADAR | BODY OUTSIDE DIAMETER | INCHES MINIMUM 0.6260 AND INCHES MAXIMUM 0.6265 |
| ADAS | BODY INSIDE DIAMETER | INCHES MINIMUM 0.5005 AND INCHES MAXIMUM 0.5015 |
| BZLX | CORNER SHAPE | ALL CORNERS SQUARE |
| CSYM | SURFACE FINISH | RIGHT END SURFACE OF BODY MICROINCHES 125.0 |
| CSYM | SURFACE FINISH | LEFT END SURFACE OF BODY MICROINCHES 15.0 |
| CSYM | SURFACE FINISH | INSIDE DIAMETER SURFACE OF BODY MICROINCHES 125.0 |
| CSYM | SURFACE FINISH | OUTSIDE DIAMETER SURFACE OF BODY MICROINCHES 63.0 |
| MATT | MATERIAL | OUTER LAYER STEEL COMP 630 |
| MATT | MATERIAL | INNER LAYER PLASTIC POLYTETRAFLUOROETHYLENE |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | OUTER LAYER ASSN STD SINGLE MATERIAL RESPONSE A-S 5643 |
| STYL | STYLE DESIGNATOR | — |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| AS81934 | 0U583 | SAE INTERNATIONAL DBA SAE INTERNATIONAL | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| AS81934 | 81343 | SOCIETY OF AUTOMOTIVE ENGINEERS INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| M81934/1-08C012 | 0U583 | SAE INTERNATIONAL DBA SAE INTERNATIONAL | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| M81934/1-08C012 | 81343 | SOCIETY OF AUTOMOTIVE ENGINEERS INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| M81934/1-08C012 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| MIL-B-81934/1 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| SAE-AS81934/1 | 0U583 | SAE INTERNATIONAL DBA SAE INTERNATIONAL | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-09-03 | [SPE4A626PV844](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=3120012310325) | BEARING, SLEEVE | — | $150.00 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=3120012310325&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=3120012310325
- 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/3120-01-231-0325/
JSON: https://nsnexplorer.com/api/nsn/3120-01-231-0325.json