# NSN 3040-01-044-3939: Shaft, Straight

NSN 3040-01-044-3939 (also written 3040010443939; NIIN 01-044-3939) is a shaft, straight in Federal Supply Class 3040, Miscellaneous Power Transmission Equipment. 14 manufacturer part numbers from 14 suppliers are on record. It was last purchased in Aug 2026.

## Identification

- NSN: 3040-01-044-3939 (3040010443939)
- NIIN: 01-044-3939 (010443939)
- Item name: SHAFT,STRAIGHT
- 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 C: needs engineering source approval; other sources must qualify first. (observed 2026-10-28)
- Acquisition method code: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AAGZ | FIRST END STYLE | — |
| AAHN | END SIMILARITY | NOT IDENTICAL |
| AAHP | SECOND END STYLE | — |
| AAHW | SECOND END GROOVE WIDTH | INCHES NOMINAL 0.3590 |
| AAHX | SECOND END GROOVE DIAMETER | INCHES NOMINAL 1.6250 |
| ABHP | OVERALL LENGTH | INCHES NOMINAL 8.125 |
| AMDL | FIRST END DIAMETER | INCHES NOMINAL 1.9950 |
| AMFQ | SECOND END DISTANCE FROM END TO GROOVE | INCHES NOMINAL 3.891 |
| AMFZ | SECOND END DIAMETER | INCHES NOMINAL 1.9950 |
| CRTL | CRITICALITY CODE JUSTIFICATION | FEAT |
| CSYM | SURFACE FINISH | MICROINCHES 63.0 |
| FEAT | SPECIAL FEATURES | THE ITEM IS NON-AVIATION CRITICAL SAFETY ITEM (CSI) WHOSE FAILURE WILL RESULT IN SERIUOS DAMAGE TO EQUIPMENT OR SERIOUS INJURY OR DEATH TO PERSONNEL |
| MATT | MATERIAL | STEEL |
| ZZZV | FSC APPLICATION DATA | CATAPULT SYSTEM LAUNCHING SHUTTLE |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 423498-3 | 088K1 | BEAVER AEROSPACE & DEFENSE, INC. | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 423498-3 | 0A396 | COMPUTA-BASE-MACHINING, INC. | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 423498-3 | 1BH50 | LIGI TOOL & ENGINEERING, INC. | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 423498-3 | 1UF60 | U.S.A. SPARES INC. | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 423498-3 | 1V517 | DUHADAWAY TOOL & DIE SHOP INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 423498-3 | 1WL29 | LASER MANUFACTURING INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 423498-3 | 2M490 | NASSAU TOOL WORKS, INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 423498-3 | 2V343 | APEX MANUFACTURING COMPANY, INC. DBA APEX MANUFACTURING CO | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 423498-3 | 30828 | KROBACH MFG. CORP. DBA KROBACH MANUFACTURING CORP | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 423498-3 | 4M0M0 | SKY USA PRECISION MANUFACTURING LLC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 423498-3 | 5S946 | PRE-MACH INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 423498-3 | 74627 | FORT WALTON MACHINING INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 423498-3 | 80020 | NAVAL AIR WARFARE CENTER AIRCRAFT DIVISION, LAKEHURST | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 423498-3 | 9U245 | MASTER RESEARCH & MANUFACTURING, INC. DBA MASTER RESEARCH & MANUFACTURING INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-08-26 | [SPE7M226P2671](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=3040010443939) | SHAFT, STRAIGHT | U.S.A. SPARES INC. | $6,790.00 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=3040010443939&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=3040010443939
- 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/3040-01-044-3939/
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