# NSN 5325-01-475-8645: Stud Assembly, Turnlock Fastener

NSN 5325-01-475-8645 (also written 5325014758645; NIIN 01-475-8645) is a stud assembly, turnlock fastener in Federal Supply Class 5325, Fastening Devices. 5 manufacturer part numbers from 4 suppliers are on record. It was last purchased in Aug 2026.

## Identification

- NSN: 5325-01-475-8645 (5325014758645)
- NIIN: 01-475-8645 (014758645)
- Item name: STUD ASSEMBLY,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 R: the government owns neither the data nor the rights, and obtaining them is judged uneconomical. (observed 2026-11-04)
- Acquisition method code: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| ABMZ | DIAMETER | INCHES MINIMUM 0.4473 AND INCHES MAXIMUM 0.4475 |
| AGRD | TURNLOCK STUD HEAD STYLE | — |
| AGRE | STUD ASSEMBLY STYLE | — |
| AGRF | DISTANCE FROM ENGAGING MEMBER TO LARGEST BEARING SURFACE OF HEAD | INCHES NOMINAL 0.772 |
| AGRH | EYELET OUTSIDE DIAMETER | INCHES NOMINAL 0.334 |
| AGRK | EYELET LENGTH | INCHES MINIMUM 0.695 AND INCHES MAXIMUM 0.705 |
| FEAT | SPECIAL FEATURES | SLEEVEBOLT IS CORROSION AND HEAT RESISTANT STEEL, PER A286 PER AMS 5731 OR AMS 5737; RETAINING RING IS CRES, 17-7PH PER MIL-S-25043, AMS 5528, CONDITION CH900 OR RH950; ALUMINUM COAT IS EXCLUSIVE OF RETAINING RING |
| MATT | MATERIAL | OVERALL STEEL CORROSION RESISTING |
| SFTT | SURFACE TREATMENT | OVERALL ALUMINUM |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | OVERALL MIL SPEC SINGLE TREATMENT RESPONSE -IL-C-83488 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 3M1250AC6F5 | 76301 | THE BOEING COMPANY DIV DEFENSE | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| CA17202F5TXR | 29372 | HOWMET GLOBAL FASTENING SYSTEMS INC. DIV TRIDAIR PRODUCTS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| CA17202F5TXR | 5M902 | HOWMET GLOBAL FASTENING SYSTEMS INC. DIV VOI-SHAN PRODUCTS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| MT161AC6F5 | 84256 | AVIBANK MFG., INC. DBA AVIBANK MANUFACTURING INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| MT172AC6F-5 | 84256 | AVIBANK MFG., INC. DBA AVIBANK MANUFACTURING INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-08-17 | [SPE4A626D5774](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5325014758645) | STUD ASSEMBLY, TURNLOCK FASTENER | DON INDUSTRIAL GROUP LLC | $350,000.00 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5325014758645&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5325014758645
- 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/5325-01-475-8645/
JSON: https://nsnexplorer.com/api/nsn/5325-01-475-8645.json