# NSN 5325-01-165-4371: Stud, Turnlock Fastener

NSN 5325-01-165-4371 (also written 5325011654371; NIIN 01-165-4371) is a stud, turnlock fastener in Federal Supply Class 5325, Fastening Devices. 1 manufacturer part number from 1 supplier is on record. It was last purchased in Sep 2026.

## Identification

- NSN: 5325-01-165-4371 (5325011654371)
- NIIN: 01-165-4371 (011654371)
- 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 C: needs engineering source approval; other sources must qualify first. (observed 2026-10-10)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AATQ | GRIP LENGTH | INCHES MAXIMUM 0.625 |
| ADQB | SECURING DEVICE TYPE | RING |
| AGQY | TURNLOCK STUD SHANK STYLE | — |
| AGRC | EXTENSION LENGTH | INCHES MINIMUM 0.175 AND INCHES MAXIMUM 0.205 |
| AGRD | TURNLOCK STUD HEAD STYLE | — |
| AGSM | MATERIAL ACCOMMODATED THICKNESS | INCHES MINIMUM 0.532 AND INCHES MAXIMUM 0.625 |
| AKCV | DRIVE TYPE | SLOTTED |
| ALBJ | STUD THREAD SIZE AND SERIES/TYPE DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) 0.164-32 |
| ASDB | WIDTH ACROSS FLATS | INCHES MINIMUM 0.365 AND INCHES MAXIMUM 0.395 |
| CQYY | STUD HEAD HEIGHT | INCHES MINIMUM 0.105 AND INCHES MAXIMUM 0.135 |
| CSGB | STUD SHANK MAJOR DIAMETER | INCHES MINIMUM 0.247 AND INCHES MAXIMUM 0.249 |
| MATT | MATERIAL | OVERALL STEEL COMP 303 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | OVERALL ASSN STD SINGLE MATERIAL RESPONSE AST- A582 |
| SFTT | SURFACE TREATMENT | OVERALL PASSIVATE |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | OVERALL FED SPEC SINGLE TREATMENT RESPONSE QQ--35 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| CA1864-5 | 29372 | HOWMET GLOBAL FASTENING SYSTEMS INC. DIV TRIDAIR PRODUCTS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-09-24 | [SPE4A126P1522](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5325011654371) | STUD, TURNLOCK FASTE | WESCO AIRCRAFT HARDWARE CORP. DBA INCORA | $3,798.45 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5325011654371&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5325011654371
- 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/5325-01-165-4371/
JSON: https://nsnexplorer.com/api/nsn/5325-01-165-4371.json