# NSN 3040-01-158-3257: Shaft, Shouldered

NSN 3040-01-158-3257 (also written 3040011583257; NIIN 01-158-3257) is a shaft, shouldered in Federal Supply Class 3040, Miscellaneous Power Transmission Equipment. 1 manufacturer part number from 1 supplier is on record. It was last purchased in Sep 2026.

## Identification

- NSN: 3040-01-158-3257 (3040011583257)
- NIIN: 01-158-3257 (011583257)
- Item name: SHAFT,SHOULDERED
- Federal Supply Class: [FSC 3040 Miscellaneous Power Transmission Equipment](https://nsnexplorer.com/fsc/3040/)
- Federal Supply Group: [FSG 30](https://nsnexplorer.com/group/30/)
- Acquisition method suffix code: AMSC G: the government has a complete data package and the rights to use it. (observed 2026-10-10)
- Acquisition method code: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AAGZ | FIRST END STYLE | — |
| AAHG | FIRST END GROOVE WIDTH | INCHES NOMINAL 0.0940 |
| AAHH | FIRST END GROOVE DIAMETER | INCHES NOMINAL 0.9200 |
| AAHN | END SIMILARITY | NOT IDENTICAL |
| AAHP | SECOND END STYLE | — |
| ABHP | OVERALL LENGTH | INCHES NOMINAL 18.721 |
| AMCY | FIRST END DISTANCE FROM END TO GROOVE | INCHES NOMINAL 0.618 |
| AMDL | FIRST END DIAMETER | INCHES NOMINAL 0.9830 |
| AMFZ | SECOND END DIAMETER | INCHES NOMINAL 0.6300 |
| AMGS | SECOND END HOLE DIAMETER | FIRST HOLE INCHES MINIMUM 0.3850 AND INCHES MAXIMUM 0.3950 |
| AMGT | SECOND END DISTANCE FROM HOLE CENTER TO END | INCHES NOMINAL 0.490 |
| AMHD | SECOND END HOLE DEPTH | INCHES NOMINAL 0.315 |
| AMHP | SECOND END INTERNAL THREAD LENGTH | INCHES NOMINAL 0.250 |
| ATPC | STEP QUANTITY | 6 |
| CSPY | LARGEST STEP DIAMETER | INCHES NOMINAL 1.500 |
| MATT | MATERIAL | STEEL |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 12321725 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Price history

Newest first.

| Date | Unit price | Quantity | Supplier | Agency | Source |
| --- | --- | --- | --- | --- | --- |
| 2026-09-23 | $158.34 | 30 | L.A. MARTIN COMPANY | — | [record](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=3040011583257) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-09-23 | [SPE7L326P6008](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=3040011583257) | SHAFT, SHOULDERED | L.A. MARTIN COMPANY | $4,750.20 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=3040011583257&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=3040011583257
- 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/3040-01-158-3257/
JSON: https://nsnexplorer.com/api/nsn/3040-01-158-3257.json