# NSN 3040-01-297-6579: Gearshaft, Helical

NSN 3040-01-297-6579 (also written 3040012976579; NIIN 01-297-6579) is a gearshaft, helical in Federal Supply Class 3040, Miscellaneous Power Transmission Equipment. 2 manufacturer part numbers from 2 suppliers are on record. It was last purchased in Sep 2026.

## Identification

- NSN: 3040-01-297-6579 (3040012976579)
- NIIN: 01-297-6579 (012976579)
- Item name: GEARSHAFT,HELICAL
- 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 2026-10-20)
- Acquisition method code: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| ABHP | OVERALL LENGTH | INCHES NOMINAL 14.175 |
| AJLA | TEETH QUANTITY | 20 |
| AJWS | GEAR OUTSIDE DIAMETER | INCHES NOMINAL 1.334 |
| AQPL | FACE WIDTH | INCHES NOMINAL 1.028 |
| CWNM | TOOTH DIRECTION | LEFT |
| CWPP | PRESSURE ANGLE | DEGREES 20.0000 |
| CWPZ | HELIX ANGLE | DEGREES 25.0000 |
| CYEQ | SHAFT MATERIAL | STEEL |
| CYER | GEAR MATERIAL | STEEL |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 5905691 | 05825 | O T S I | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 5905691 | 53711 | NAVAL SEA SYSTEMS COMMAND | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-09-16 | [SPE7L426D61RG/SPE7L026F7636](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=3040012976579) | GEARSHAFT, HELICAL | POLYTECH DEFENSE SPARES LLC | $1,967.00 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=3040012976579&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=3040012976579
- 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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