# NSN 3040-01-657-8041: Shaft, Shouldered

NSN 3040-01-657-8041 (also written 3040016578041; NIIN 01-657-8041) is a shaft, shouldered in Federal Supply Class 3040, Miscellaneous Power Transmission Equipment. 2 manufacturer part numbers from 1 supplier are on record. No purchases are on record yet.

## Identification

- NSN: 3040-01-657-8041 (3040016578041)
- NIIN: 01-657-8041 (016578041)
- 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: 2

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AAGZ | FIRST END STYLE | — |
| AAHN | END SIMILARITY | NOT IDENTICAL |
| AAHP | SECOND END STYLE | — |
| AAHW | SECOND END GROOVE WIDTH | INCHES NOMINAL 1.380 |
| AAHX | SECOND END GROOVE DIAMETER | INCHES MINIMUM 0.980 AND INCHES MAXIMUM 0.982 |
| ABHP | OVERALL LENGTH | INCHES NOMINAL 3.800 |
| AGAV | END ITEM IDENTIFICATION | A/A49E-17 MH-60S M240 |
| AMDL | FIRST END DIAMETER | INCHES NOMINAL 0.750 |
| AMEA | FIRST END EXTERNAL THREAD LENGTH | INCHES MINIMUM 0.497 AND INCHES MAXIMUM 0.500 |
| AMFQ | SECOND END DISTANCE FROM END TO GROOVE | INCHES NOMINAL 0.190 |
| AMFZ | SECOND END DIAMETER | INCHES NOMINAL 0.138 |
| ATPC | STEP QUANTITY | 2 |
| CSPY | LARGEST STEP DIAMETER | INCHES MINIMUM 0.980 AND INCHES MAXIMUM 0.982 |
| CSQZ | FIRST END STEP LENGTH | INCHES NOMINAL 0.280 |
| CTBM | SECOND END STEP LENGTH | INCHES NOMINAL 0.920 |
| CXCY | PART NAME ASSIGNED BY CONTROLLING AGENCY | BEARING STUD |
| FEAT | SPECIAL FEATURES | FIRST END IS THREADED WITH 0.500-20UNF 2A THREAD FIT;SECOND END HAS ITERNAL KEYWAY MEASURING 0.623" MIN/0.627" MAX IN WIDTH WITH A DRIVE FACILITY;BLACK OXIDE COAT ALL STAINLESS STEEL FASTENERS EXCEPT THOSE WITH NYLON LOCKING FEATURES IAW MIL-DTL-13924,CLASS 4 |
| MATT | MATERIAL | STEEL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | NATIONAL SPEC SINGLE MATERIAL RESPONSE H13-8-O IAW SAE A-S5629,CLASS A,HEAT TREAT H1000 COND |
| PRPY | PROPRIETARY CHARACTERISTICS | PACS |
| SUPP | SUPPLEMENTARY FEATURES | ITEM IDENTIFICATION IAW MIL-STD-130 USING 0.08-0.12 GOTHIC CHARACTER HEIGHT TO INCLUDE 30003-3392AS766-1 AS WELL AS MANUFACTURER'S CAGE CODE AND UNIQUE ALPHA-NUMERIC IDENTIFIER;UNIQUE IDENTIFIER NOT TO BE REUSED ON SUBSEQUENT ORDERS;ITEM TO BE PACKAGED IAW MIL-STD-129 WITH MINIMUM REQUIREMENT OF NATIONAL STOCK NUMBER,PART NUMBER,SERIAL NUMBER,ITEM NOMENCLATURE,MANUFACTURER'S CAGE CODE AND PRODUCTION DATE |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 3392AS766 | 30003 | NAVAL AIR SYSTEMS COMMAND MANAGED ORIGINAL DESIGN ACTIVITY NOT MATERIAL/PARTS SUPPLIER | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 3392AS766-1 | 30003 | NAVAL AIR SYSTEMS COMMAND MANAGED ORIGINAL DESIGN ACTIVITY NOT MATERIAL/PARTS SUPPLIER | [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=3040016578041&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=3040016578041
- 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/3040-01-657-8041/
JSON: https://nsnexplorer.com/api/nsn/3040-01-657-8041.json