# NSN 3120-01-283-7803: Bearing, Plain, Self-Aligning

NSN 3120-01-283-7803 (also written 3120012837803; NIIN 01-283-7803) is a bearing, plain, self-aligning in Federal Supply Class 3120, Bearings, Plain, Unmounted. 4 manufacturer part numbers from 3 suppliers are on record. It was last purchased in Sep 2026.

## Identification

- NSN: 3120-01-283-7803 (3120012837803)
- NIIN: 01-283-7803 (012837803)
- Item name: BEARING,PLAIN,SELF-ALIGNING
- 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 C: needs engineering source approval; other sources must qualify first. (observed 2026-10-10)
- Acquisition method code: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| ABXV | BORE DIAMETER | INCHES MINIMUM 2.3750 AND INCHES MAXIMUM 2.3770 |
| AGGF | OUTER MEMBER OUTSIDE DIAMETER | INCHES MINIMUM 3.1865 AND INCHES MAXIMUM 3.1875 |
| AGGH | OUTER MEMBER WIDTH | INCHES NOMINAL 1.2500 |
| AGGJ | INNER MEMBER WIDTH | INCHES MINIMUM 1.4950 AND INCHES MAXIMUM 1.5000 |
| AGKP | STATIC RADIAL LOAD RATING | POUNDS 133000 |
| CQFM | HARDNESS RATING | INNER MEMBER ROCKWELL C MINIMUM 57.0 AND ROCKWELL C MAXIMUM 61.0 |
| MATT | MATERIAL | OUTER RACE MEMBER STEEL COMP 410 |
| MATT | MATERIAL | RACE LINER PLASTIC POLYTETRAFLUOROETHYLENE |
| MATT | MATERIAL | INNER MEMBER STEEL COMP E52100 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | INNER MEMBER MIL SPEC SINGLE MATERIAL RESPONSE -IL-S-7420,CLASS 3 |
| SFTT | SURFACE TREATMENT | SPHERICAL SURFACE CHROMIUM |
| STYL | STYLE DESIGNATOR | — |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 1366AS1047 | 21335 | TIMKEN CO DIV THE TIMKEN COMPANY | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 1366AS1047 | 30003 | NAVAL AIR SYSTEMS COMMAND MANAGED ORIGINAL DESIGN ACTIVITY NOT MATERIAL/PARTS SUPPLIER | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 1366AS1047 | 99528 | RADIAL BEARING CORPORATION DBA RADIAL BEARING CORP OF CONNECTICU DIV RADIAL BEARING LLC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| RSST-38-1 | 99528 | RADIAL BEARING CORPORATION DBA RADIAL BEARING CORP OF CONNECTICU DIV RADIAL BEARING LLC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Price history

Newest first.

| Date | Unit price | Quantity | Supplier | Agency | Source |
| --- | --- | --- | --- | --- | --- |
| 2026-09-28 | $1,162.14 | 18 | LINMARR ASSOCIATES, INC. DBA LINMARR ASSOCIATES INC | — | [record](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=3120012837803) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-09-28 | [SPE4A626P0T67](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=3120012837803) | BEARING, PLAIN, SELF- | LINMARR ASSOCIATES, INC. DBA LINMARR ASSOCIATES INC | $20,918.52 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=3120012837803&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=3120012837803
- 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/3120-01-283-7803/
JSON: https://nsnexplorer.com/api/nsn/3120-01-283-7803.json