# NSN 3120-01-057-2830: Bearing, Plain, Rod End

NSN 3120-01-057-2830 (also written 3120010572830; NIIN 01-057-2830) is a bearing, plain, rod end in Federal Supply Class 3120, Bearings, Plain, Unmounted. 18 manufacturer part numbers from 12 suppliers are on record. It was last purchased in Aug 2026.

## Identification

- NSN: 3120-01-057-2830 (3120010572830)
- NIIN: 01-057-2830 (010572830)
- Item name: BEARING,PLAIN,ROD END
- 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 2026-11-01)
- Acquisition method code: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AAJD | THREAD CLASS | 3A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AAZF | SHANK STYLE | — |
| ABHP | OVERALL LENGTH | INCHES NOMINAL 1.8720 |
| ABXV | BORE DIAMETER | INCHES MINIMUM 0.2495 AND INCHES MAXIMUM 0.2500 |
| AGGF | OUTER MEMBER OUTSIDE DIAMETER | INCHES NOMINAL 0.8060 |
| AGGG | BORE CENTER TO SHANK END DISTANCE | INCHES NOMINAL 1.4690 |
| AGGH | OUTER MEMBER WIDTH | INCHES NOMINAL 0.3370 |
| AGGJ | INNER MEMBER WIDTH | INCHES MINIMUM 0.4320 AND INCHES MAXIMUM 0.4370 |
| AGGY | SHANK THREAD LENGTH | INCHES MINIMUM 0.7500 AND INCHES MAXIMUM 0.8430 |
| AGHA | INSPECTION HOLE CENTER TO END DISTANCE | INCHES NOMINAL 0.3750 |
| AGHB | SHANK WIDTH ACROSS WRENCH FLATS | INCHES MINIMUM 0.4270 AND INCHES MAXIMUM 0.4390 |
| AGKP | STATIC RADIAL LOAD RATING | POUNDS 4675 |
| AWDP | THREAD DIAMETER | INCHES NOMINAL 0.312 |
| CMLP | THREAD QUANTITY PER INCH | 24 |
| FEAT | SPECIAL FEATURES | NAS559 KEYSLOT IN SHANK |
| STYL | STYLE DESIGNATOR | — |
| THSD | THREAD SERIES DESIGNATOR | UNIFIED NATIONAL JOINT FINE (UNJF) |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 51589-041VL | 09455 | RBC TRANSPORT DYNAMICS CORP DIV RBC TRANSPORT DYNAMICS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| AR4-8W-3 | 50294 | NEW HAMPSHIRE BALL BEARINGS INC DIV PRECISION DIVISION | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| ARB4-61TW | 15860 | NEW HAMPSHIRE BALL BEARINGS INC DIV ASTRO DIVISION | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| BACB10Z4T | 02758 | U S BEARINGS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| BACB10Z4T | 09455 | RBC TRANSPORT DYNAMICS CORP DIV RBC TRANSPORT DYNAMICS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| BACB10Z4T | 15860 | NEW HAMPSHIRE BALL BEARINGS INC DIV ASTRO DIVISION | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| BACB10Z4T | 16746 | RBC SPECLINE INC DBA SPECLINE INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| BACB10Z4T | 56644 | TIMKEN AURORA BEARING COMPANY | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| BACB10Z4T | 73134 | ROLLER BEARING COMPANY OF AMERICA, INC. | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| BACB10Z4T | 81205 | THE BOEING COMPANY DIV DEFENSE | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| BACB10Z4T | 81376 | RBC SOUTHWEST PRODUCTS, INC. | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| BACB10Z4T | 97613 | SARGENT AEROSPACE & DEFENSE, LLC DBA KAHR BEARINGS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| BACB10Z4T | J1011 | MINEBEA MITSUMI INC. DIV RODEND-FASTENER BUSINESS UNIT | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| BACB10Z4T | S0352 | MINEBEA MITSUMI INC. | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| BRES-4-2242-EL-1 | 81376 | RBC SOUTHWEST PRODUCTS, INC. | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| FSSK-4AS-2 | 73134 | ROLLER BEARING COMPANY OF AMERICA, INC. | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| HB4-201KT | 02758 | U S BEARINGS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| KB4-150WT | 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 |
| --- | --- | --- | --- | --- |
| 2026-08-25 | [SPE4A626PAY87](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=3120010572830) | BEARING, PLAIN, ROD END | — | $8,094.00 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=3120010572830&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=3120010572830
- 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.

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