# NSN 3040-01-321-9978: Shaft Assembly, Shouldered

NSN 3040-01-321-9978 (also written 3040013219978; NIIN 01-321-9978) is a shaft assembly, shouldered in Federal Supply Class 3040, Miscellaneous Power Transmission Equipment. 2 manufacturer part numbers from 2 suppliers are on record. No purchases are on record yet.

## Identification

- NSN: 3040-01-321-9978 (3040013219978)
- NIIN: 01-321-9978 (013219978)
- Item name: SHAFT ASSEMBLY,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 M: making the part needs master or coordinated tooling. (observed 2026-10-10)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AJJW | COMPONENT QUANTITY | 3 |
| AJKD | NONSUPPLY ITEMS AND QUANTITIES | 05606 5191360-2 SPROCKET,FRONT,SCOOP 1; 05606 5544105 SPROCKET,REAR,SCOOP 1; 05606 117D2701-2 SHAFT,SCOOP 1 |
| FEAT | SPECIAL FEATURES | BRAZING ALLOY AND SOLID FILM LUBRICANT AS REQUIRED |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 5544104 | 05606 | GENERAL DYNAMICS-OTS, INC. DIV ORDNANCE AND TACTICAL SYSTEMS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 5544104 | 53711 | NAVAL SEA SYSTEMS COMMAND | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=3040013219978&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=3040013219978
- AMSC record: https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/
- 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/3040-01-321-9978/
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