# NSN 5306-01-657-4458: Bolt, Square Neck

NSN 5306-01-657-4458 (also written 5306016574458; NIIN 01-657-4458) is a bolt, square neck in Federal Supply Class 5306, Bolts. 2 manufacturer part numbers from 1 supplier are on record. No purchases are on record yet.

## Identification

- NSN: 5306-01-657-4458 (5306016574458)
- NIIN: 01-657-4458 (016574458)
- Item name: BOLT,SQUARE NECK
- Federal Supply Class: [FSC 5306 Bolts](https://nsnexplorer.com/fsc/5306/)
- 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 2026-11-01)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AASL | HEAD DIAMETER | INCHES MINIMUM 0.688 AND INCHES MAXIMUM 0.719 |
| AASK | HEAD STYLE | — |
| AASB | FASTENER LENGTH | INCHES NOMINAL 1.00 |
| AAJD | THREAD CLASS | 2A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| MATT | MATERIAL | OVERALL STEEL |
| SFTT | SURFACE TREATMENT | OVERALL PHOSPHATE ZINC |
| THSD | THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) |
| CWXQ | NECK WIDTH | INCHES MINIMUM 0.307 AND INCHES MAXIMUM 0.324 |
| FEAT | SPECIAL FEATURES | MATERIAL: GRADE 5 |
| HUES | COLOR | OVERALL BLACK |
| AASU | HEAD HEIGHT | INCHES MINIMUM 0.156 AND INCHES MAXIMUM 0.176 |
| AGAV | END ITEM IDENTIFICATION | MRAP - M-ATV |
| AGQB | NECK LENGTH | INCHES MINIMUM 0.156 AND INCHES MAXIMUM 0.187 |
| AHYM | NOMINAL THREAD DIAMETER | INCHES 0.31 |
| CMLP | THREAD QUANTITY PER INCH | 18 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 4159377 | 75Q65 | OSHKOSH DEFENSE LLC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 4159377001 | 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=5306016574458&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5306016574458
- 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/5306-01-657-4458/
JSON: https://nsnexplorer.com/api/nsn/5306-01-657-4458.json