# NSN 5325-00-343-4903: Stud, Turnlock Fastener

NSN 5325-00-343-4903 (also written 5325003434903; NIIN 00-343-4903) is a stud, turnlock fastener in Federal Supply Class 5325, Fastening Devices. 6 manufacturer part numbers from 3 suppliers are on record. No purchases are on record yet.

## Identification

- NSN: 5325-00-343-4903 (5325003434903)
- NIIN: 00-343-4903 (003434903)
- Item name: STUD,TURNLOCK FASTENER
- Federal Supply Class: [FSC 5325 Fastening Devices](https://nsnexplorer.com/fsc/5325/)
- Federal Supply Group: [FSG 53](https://nsnexplorer.com/group/53/)
- Acquisition method suffix code: AMSC D: the data needed to compete the part is unavailable or cannot be obtained economically. (observed 2026-10-23)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| CSGB | STUD SHANK MAJOR DIAMETER | INCHES MINIMUM 0.245 AND INCHES MAXIMUM 0.250 |
| ABMZ | DIAMETER | INCHES MINIMUM 0.428 AND INCHES MAXIMUM 0.448 |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | OVERALL FED SPEC SINGLE TREATMENT RESPONSE QQ--416,TY 2,CL 2 |
| AKCV | DRIVE TYPE | SLOTTED |
| MATT | MATERIAL | OVERALL STEEL COMP 1118 |
| CQYN | SHANK NECK LENGTH | INCHES MINIMUM 0.190 AND INCHES MAXIMUM 0.210 |
| AGQY | TURNLOCK STUD SHANK STYLE | — |
| AGRD | TURNLOCK STUD HEAD STYLE | — |
| AGSM | MATERIAL ACCOMMODATED THICKNESS | INCHES MINIMUM 0.240 AND INCHES MAXIMUM 0.290 |
| ADQB | SECURING DEVICE TYPE | GROMMET |
| SFTT | SURFACE TREATMENT | OVERALL CADMIUM AND CHROMATE |
| AATQ | GRIP LENGTH | INCHES MINIMUM 0.390 AND INCHES MAXIMUM 0.410 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 121J-440-Z3Y | 72794 | SOUTHCO INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 121J-440-Z3YT | 72794 | SOUTHCO INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 875-004-006 | 57057 | NAVCOM DEFENSE ELECTRONICS, INC. | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| AJ4-40-8P | 72794 | SOUTHCO INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| AJ4-40C-DB | D9182 | ZF INDUSTRIEANTRIEBE WITTEN GMBH | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| AJ4-40DB | D9182 | ZF INDUSTRIEANTRIEBE WITTEN GMBH | [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=5325003434903&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5325003434903
- 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/5325-00-343-4903/
JSON: https://nsnexplorer.com/api/nsn/5325-00-343-4903.json