# NSN 5306-01-044-5141: Bolt, Square Neck

NSN 5306-01-044-5141 (also written 5306010445141; NIIN 01-044-5141) is a bolt, square neck in Federal Supply Class 5306, Bolts. 1 manufacturer part number from 1 supplier is on record. It was last purchased in Sep 2026.

## Identification

- NSN: 5306-01-044-5141 (5306010445141)
- NIIN: 01-044-5141 (010445141)
- 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 L: annual buy value is below the screening threshold. (observed 2026-10-10)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AAJD | THREAD CLASS | 2A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | INCHES MINIMUM 1.250 AND INCHES MAXIMUM 1.375 |
| AASB | FASTENER LENGTH | INCHES NOMINAL 3.500 |
| AASL | HEAD DIAMETER | INCHES NOMINAL 1.568 |
| AASU | HEAD HEIGHT | INCHES NOMINAL 0.185 |
| AGQB | NECK LENGTH | INCHES NOMINAL 0.500 |
| AHYM | NOMINAL THREAD DIAMETER | INCHES 1.000 |
| CMLP | THREAD QUANTITY PER INCH | 8 |
| CWXQ | NECK WIDTH | INCHES NOMINAL 1.030 |
| MATT | MATERIAL | OVERALL STEEL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | OVERALL ASSN STD ALL MATERIAL RESPONSES SAE GRADE 8 |
| THSD | THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 8J2928 | 11083 | CATERPILLAR INC DIV CATERPILLAR DEFENSE | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-09-28 | [SPE7LX21D0087/SPE7LX26FBE6F](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5306010445141) | BOLT, SQUARE NECK | ATLANTIC DIVING SUPPLY, INC. DBA ADS | $26.48 |
| 2026-09-22 | [SPE7LX21D0087/SPE7LX26FBH68](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5306010445141) | BOLT, SQUARE NECK | ATLANTIC DIVING SUPPLY, INC. DBA ADS | $105.92 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5306010445141&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5306010445141
- 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/5306-01-044-5141/
JSON: https://nsnexplorer.com/api/nsn/5306-01-044-5141.json