# NSN 3120-00-018-3956: Bearing, Plain, Self-Aligning

NSN 3120-00-018-3956 (also written 3120000183956; NIIN 00-018-3956) is a bearing, plain, self-aligning in Federal Supply Class 3120, Bearings, Plain, Unmounted. 3 manufacturer part numbers from 3 suppliers are on record. It was last purchased in Oct 2026.

## Identification

- NSN: 3120-00-018-3956 (3120000183956)
- NIIN: 00-018-3956 (000183956)
- 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 Z: a commercial, nondevelopmental or off-the-shelf item. (observed 2026-10-10)
- Acquisition method code: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| ABXV | BORE DIAMETER | INCHES NOMINAL 1.2500 |
| AGGF | OUTER MEMBER OUTSIDE DIAMETER | INCHES MINIMUM 3.2488 AND INCHES MAXIMUM 3.2498 |
| AGGH | OUTER MEMBER WIDTH | INCHES NOMINAL 1.3000 |
| AGGJ | INNER MEMBER WIDTH | INCHES NOMINAL 1.3950 |
| AGKP | STATIC RADIAL LOAD RATING | POUNDS 90000 |
| FEAT | SPECIAL FEATURES | GROOVE FOR NAS670.325 SNAP RING ON LEFT SIDE OD OUTER MEMBER,0.0950 IN. WIDE BY 3.4500 IN. OD FLANGE ON RIGHT SIDE OD OUTER MEMBER |
| MATT | MATERIAL | OVERALL STEEL COMP 630 |
| SFTT | SURFACE TREATMENT | INNER MEMBER CHROMIUM |
| STYL | STYLE DESIGNATOR | — |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| BDS32B-101 | 16746 | RBC SPECLINE INC DBA SPECLINE INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| KSSB32-2 | 97613 | SARGENT AEROSPACE & DEFENSE, LLC DBA KAHR BEARINGS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| LHA32A | 73134 | ROLLER BEARING COMPANY OF AMERICA, INC. | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Price history

Newest first.

| Date | Unit price | Quantity | Supplier | Agency | Source |
| --- | --- | --- | --- | --- | --- |
| 2026-10-01 | $3,269.00 | 3 | MHD-ROCKLAND INC. DBA MHD-ROCKLAND INC | — | [record](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=3120000183956) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-10-01 | [SPE4A627V0003](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=3120000183956) | BEARING, PLAIN, SELF-ALIGNING | MHD-ROCKLAND INC. DBA MHD-ROCKLAND INC | $9,807.00 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=3120000183956&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=3120000183956
- 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/3120-00-018-3956/
JSON: https://nsnexplorer.com/api/nsn/3120-00-018-3956.json