# NSN 5305-01-657-4350: Screw, Cap, Socket Head

NSN 5305-01-657-4350 (also written 5305016574350; NIIN 01-657-4350) is a screw, cap, socket head in Federal Supply Class 5305, Screws. 1 manufacturer part number from 1 supplier is on record. No purchases are on record yet.

## Identification

- NSN: 5305-01-657-4350 (5305016574350)
- NIIN: 01-657-4350 (016574350)
- Item name: SCREW,CAP,SOCKET HEAD
- Federal Supply Class: [FSC 5305 Screws](https://nsnexplorer.com/fsc/5305/)
- 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 |
| --- | --- | --- |
| AGAV | END ITEM IDENTIFICATION | MRAP - M-ATV |
| AHYM | NOMINAL THREAD DIAMETER | MILLIMETERS 5.0 |
| ASDB | WIDTH ACROSS FLATS | MILLIMETERS MINIMUM 4.020 AND MILLIMETERS MAXIMUM 4.095 |
| CQQR | THREAD PITCH IN MILLIMETERS | 0.8 |
| AASU | HEAD HEIGHT | MILLIMETERS NOMINAL 4.82 |
| ABQZ | INTERNAL DRIVE STYLE | — |
| AAJD | THREAD CLASS | 6G |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | MILLIMETERS NOMINAL 22.0 |
| AASB | FASTENER LENGTH | MILLIMETERS NOMINAL 45.0 |
| AASK | HEAD STYLE | — |
| AASL | HEAD DIAMETER | MILLIMETERS MINIMUM 8.28 AND MILLIMETERS MAXIMUM 8.72 |
| THSD | THREAD SERIES DESIGNATOR | M |
| SFTT | SURFACE TREATMENT | OVERALL ZINC |
| MATT | MATERIAL | OVERALL STEEL PROPERTY CLASS 8.8 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 4187584 | 75Q65 | OSHKOSH DEFENSE LLC | [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=5305016574350&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5305016574350
- 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/5305-01-657-4350/
JSON: https://nsnexplorer.com/api/nsn/5305-01-657-4350.json