# NSN 3120-01-314-5580: Bearing, Plain, Self-Aligning

NSN 3120-01-314-5580 (also written 3120013145580; NIIN 01-314-5580) is a bearing, plain, self-aligning in Federal Supply Class 3120, Bearings, Plain, Unmounted. 7 manufacturer part numbers from 4 suppliers are on record. It was last purchased in Sep 2026.

## Identification

- NSN: 3120-01-314-5580 (3120013145580)
- NIIN: 01-314-5580 (013145580)
- 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 B: must be bought from the sources named on a source control or selected item drawing. (observed 2026-10-10)
- Acquisition method code: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| ABXV | BORE DIAMETER | INCHES MINIMUM 0.4995 AND INCHES MAXIMUM 0.5000 |
| AGGF | OUTER MEMBER OUTSIDE DIAMETER | INCHES NOMINAL 1.6880 |
| AGGH | OUTER MEMBER WIDTH | INCHES MINIMUM 0.8280 AND INCHES MAXIMUM 0.8380 |
| AGGJ | INNER MEMBER WIDTH | INCHES MINIMUM 1.1230 AND INCHES MAXIMUM 1.1250 |
| CQFM | HARDNESS RATING | OUTER RING ROCKWELL C MINIMUM 55.0 |
| CQFM | HARDNESS RATING | INNER MEMBER ROCKWELL C MINIMUM 24.0 AND ROCKWELL C MAXIMUM 32.0 |
| MATT | MATERIAL | OUTER RING STEEL COMP 630 |
| MATT | MATERIAL | RACE LINER PLASTIC POLYTETRAFLUOROETHYLENE |
| MATT | MATERIAL | INNER MEMBER STEEL COMP 440C |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | OUTER RING ASSN STD SINGLE MATERIAL RESPONSE A-S 5643,17-4H |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | INNER MEMBER ASSN STD SINGLE MATERIAL RESPONSE A-S 5630,COND 440 |
| STYL | STYLE DESIGNATOR | — |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| ATSB8-66DD | 15860 | NEW HAMPSHIRE BALL BEARINGS INC DIV ASTRO DIVISION | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| KMDB8-23 | 97613 | SARGENT AEROSPACE & DEFENSE, LLC DBA KAHR BEARINGS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| KSC230308H | 50632 | KAMATICS CORPORATION | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| SB5085-101 | 15860 | NEW HAMPSHIRE BALL BEARINGS INC DIV ASTRO DIVISION | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| SB5085-101 | 50632 | KAMATICS CORPORATION | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| SB5085-101 | 78286 | SIKORSKY AIRCRAFT CORPORATION DBA SIKORSKY AIRCRAFT CORP | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| SB5085-101 | 97613 | SARGENT AEROSPACE & DEFENSE, LLC DBA KAHR BEARINGS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-09-22 | [SPE4A625D5267/SPE4A626F500C](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=3120013145580) | BEARING, PLAIN, SELF-ALIGNING | NEW HAMPSHIRE BALL BEARINGS INC DIV ASTRO DIVISION | $20,107.52 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=3120013145580&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=3120013145580
- 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/3120-01-314-5580/
JSON: https://nsnexplorer.com/api/nsn/3120-01-314-5580.json