# NSN 3120-01-203-4442: Bearing, Plain, Rod End

NSN 3120-01-203-4442 (also written 3120012034442; NIIN 01-203-4442) is a bearing, plain, rod end in Federal Supply Class 3120, Bearings, Plain, Unmounted. 18 manufacturer part numbers from 10 suppliers are on record. It was last purchased in Sep 2026.

## Identification

- NSN: 3120-01-203-4442 (3120012034442)
- NIIN: 01-203-4442 (012034442)
- 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 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 |
| --- | --- | --- |
| AAJD | THREAD CLASS | 3B |
| AAJF | THREAD DIRECTION | LEFT-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 MINIMUM 0.3320 AND INCHES MAXIMUM 0.3420 |
| AGGJ | INNER MEMBER WIDTH | INCHES MINIMUM 0.4320 AND INCHES MAXIMUM 0.4370 |
| AGGY | SHANK THREAD LENGTH | INCHES MINIMUM 0.7500 |
| 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 0.3125 |
| CMLP | THREAD QUANTITY PER INCH | 24 |
| CQFM | HARDNESS RATING | INNER MEMBER ROCKWELL C MINIMUM 55.0 AND ROCKWELL C MAXIMUM 61.0 |
| CQFM | HARDNESS RATING | ROD END BODY ROCKWELL C MINIMUM 28.0 AND ROCKWELL C MAXIMUM 37.0 |
| CQFM | HARDNESS RATING | RACE INSERT ROCKWELL C MINIMUM 35.0 AND ROCKWELL C MAXIMUM 44.0 |
| CTLM | LUBRICATION FEATURE | RACE INSERT GROOVE AND PERFORATION |
| CTLM | LUBRICATION FEATURE | INNER MEMBER GROOVE AND PERFORATION |
| FEAT | SPECIAL FEATURES | DRY FILM LUBRICANT PER BAC 5814,FSCM 81205 TO THE BALL OD; LUBRICATION HOLES AND GROOVES OPTIONAL; 4 KEYWAYS IN SHANK END PER NAS559; PASSIVATE EXPOSED SURFACES ONLY |
| MATT | MATERIAL | INNER MEMBER STEEL COMP 440C |
| MATT | MATERIAL | LUBRICATION LUBRICANT DRY FILM |
| MATT | MATERIAL | ROD END BODY STEEL COMP XM-12 |
| MATT | MATERIAL | RACE INSERT STEEL COMP XM-12 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | RACE INSERT ASSN STD SINGLE MATERIAL RESPONSE A-S 5658 OR ASSN STD SINGLE MATERIAL RESPONSE A-S 5659 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | ROD END BODY ASSN STD SINGLE MATERIAL RESPONSE A-S 5658 OR ASSN STD SINGLE MATERIAL RESPONSE A-S 5659 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | INNER MEMBER FED SPEC SINGLE MATERIAL RESPONSE QQ-S-763 |
| SFTT | SURFACE TREATMENT | OVERALL PASSIVATE |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | OVERALL ASSN STD SINGLE TREATMENT RESPONSE AST- A380 |
| STYL | STYLE DESIGNATOR | — |
| THSD | THREAD SERIES DESIGNATOR | UNIFIED NATIONAL JOINT FINE (UNJF) |
| ZZZK | SPECIFICATION/STANDARD DATA | MANUFACTURERS STANDARD 81205-BACB10Z |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 51589L-041VL | 09455 | RBC TRANSPORT DYNAMICS CORP DIV RBC TRANSPORT DYNAMICS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| ARBL4-61TW | 15860 | NEW HAMPSHIRE BALL BEARINGS INC DIV ASTRO DIVISION | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| ARL4-8W-3 | 50294 | NEW HAMPSHIRE BALL BEARINGS INC DIV PRECISION DIVISION | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| BACB10Z4LT | 02758 | U S BEARINGS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| BACB10Z4LT | 09455 | RBC TRANSPORT DYNAMICS CORP DIV RBC TRANSPORT DYNAMICS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| BACB10Z4LT | 15860 | NEW HAMPSHIRE BALL BEARINGS INC DIV ASTRO DIVISION | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| BACB10Z4LT | 16746 | RBC SPECLINE INC DBA SPECLINE INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| BACB10Z4LT | 50294 | NEW HAMPSHIRE BALL BEARINGS INC DIV PRECISION DIVISION | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| BACB10Z4LT | 56644 | TIMKEN AURORA BEARING COMPANY | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| BACB10Z4LT | 73134 | ROLLER BEARING COMPANY OF AMERICA, INC. | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| BACB10Z4LT | 81205 | THE BOEING COMPANY DIV DEFENSE | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| BACB10Z4LT | 81376 | RBC SOUTHWEST PRODUCTS, INC. | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| BACB10Z4LT | 97613 | SARGENT AEROSPACE & DEFENSE, LLC DBA KAHR BEARINGS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| BRELHS-4-2242-EL-1 | 81376 | RBC SOUTHWEST PRODUCTS, INC. | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| FSSKL-4AS-2 | 73134 | ROLLER BEARING COMPANY OF AMERICA, INC. | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| HB4-201KLT | 02758 | U S BEARINGS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| KBL-150WT | 97613 | SARGENT AEROSPACE & DEFENSE, LLC DBA KAHR BEARINGS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| KBL4-150WT | 97613 | SARGENT AEROSPACE & DEFENSE, LLC DBA KAHR BEARINGS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Price history

Newest first.

| Date | Unit price | Quantity | Supplier | Agency | Source |
| --- | --- | --- | --- | --- | --- |
| 2026-09-03 | $125.70 | 190 | MECHATRONICS, INC DBA NATIONAL PRECISION BEARING | — | [record](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=3120012034442) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-09-03 | [SPE4A626PAX33](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=3120012034442) | BEARING, PLAIN, ROD END | MECHATRONICS, INC DBA NATIONAL PRECISION BEARING | $23,883.00 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=3120012034442&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=3120012034442
- 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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