# NSN 5325-00-550-4640: Stud, Turnlock Fastener

NSN 5325-00-550-4640 (also written 5325005504640; NIIN 00-550-4640) 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: 5325-00-550-4640 (5325005504640)
- NIIN: 00-550-4640 (005504640)
- 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 L: annual buy value is below the screening threshold. (observed 2026-10-10)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AGQY | TURNLOCK STUD SHANK STYLE | — |
| ABMZ | DIAMETER | INCHES NOMINAL 0.343 |
| AKCV | DRIVE TYPE | SLOTTED |
| CSGB | STUD SHANK MAJOR DIAMETER | INCHES NOMINAL 0.660 |
| MATT | MATERIAL | OVERALL STEEL |
| SFTT | SURFACE TREATMENT | OVERALL CADMIUM |
| AGRD | TURNLOCK STUD HEAD STYLE | — |
| AGSM | MATERIAL ACCOMMODATED THICKNESS | INCHES MINIMUM 0.511 AND INCHES MAXIMUM 0.520 |
| AATQ | GRIP LENGTH | INCHES NOMINAL 0.172 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 98264-4-520 | 60119 | MONADNOCK COMPANY, THE DBA LISI AEROSPACE | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-09-28 | [SPE4A726PH323](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5325005504640) | STUD, TURNLOCK FASTE | — | $9,148.86 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5325005504640&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5325005504640
- 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/5325-00-550-4640/
JSON: https://nsnexplorer.com/api/nsn/5325-00-550-4640.json