# NSN 5306-01-144-3907: Bolt, Close Tolerance

NSN 5306-01-144-3907 (also written 5306011443907; NIIN 01-144-3907) is a bolt, close tolerance in Federal Supply Class 5306, Bolts. 10 manufacturer part numbers from 10 suppliers are on record. It was last purchased in Oct 2026.

## Identification

- NSN: 5306-01-144-3907 (5306011443907)
- NIIN: 01-144-3907 (011443907)
- Item name: BOLT,CLOSE TOLERANCE
- 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 2026-10-10)
- Acquisition method code: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AAJD | THREAD CLASS | 3A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | INCHES MINIMUM 2.964 AND INCHES MAXIMUM 3.014 |
| AASB | FASTENER LENGTH | INCHES NOMINAL 5.308 |
| AASK | HEAD STYLE | — |
| AASU | HEAD HEIGHT | INCHES MINIMUM 0.378 AND INCHES MAXIMUM 0.398 |
| AATB | WIDTH BETWEEN FLATS | INCHES MINIMUM 0.430 AND INCHES MAXIMUM 0.439 |
| AATC | EXTENDED WASHER DIAMETER | INCHES MINIMUM 0.639 AND INCHES MAXIMUM 0.649 |
| AATD | EXTENDED WASHER THICKNESS | INCHES MINIMUM 0.081 AND INCHES MAXIMUM 0.101 |
| AAUB | HOLE DIAMETER | INCHES MINIMUM 0.050 AND INCHES MAXIMUM 0.060 |
| AAUR | GRIP DIAMETER | INCHES MINIMUM 0.3740 AND INCHES MAXIMUM 0.3745 |
| AHYM | NOMINAL THREAD DIAMETER | INCHES 0.375 |
| ANEE | GRIP LENGTH | INCHES MINIMUM 4.178 AND INCHES MAXIMUM 4.198 |
| ASXK | HOLE QUANTITY | 2 |
| BQDM | HOLE TYPE | DRILLED |
| CMLP | THREAD QUANTITY PER INCH | 24 |
| CRHC | HOLE CONFIGURATION STYLE | — |
| FEAT | SPECIAL FEATURES | POINT ON THD END 0.370 IN. LG BY 15 DEG |
| MATT | MATERIAL | OVERALL STEEL CORROSION RESISTING |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | OVERALL MFR REF SINGLE MATERIAL RESPONSE 23-118 FSC- 76301 |
| SFTT | SURFACE TREATMENT | OVERALL PASSIVATE |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | OVERALL FED SPEC SINGLE TREATMENT RESPONSE QQ--35 |
| THSD | THREAD SERIES DESIGNATOR | UNIFIED NATIONAL JOINT FINE (UNJF) |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 3M918-6H67 | 06710 | VALLEY-TODECO, INC. DBA ARCONIC FASTENING SYSTEMS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 3M918-6H67 | 06725 | SPS TECHNOLOGIES, LLC DBA AIR INDUSTRIES COMPANY DIV AIR INDUSTRIES COMPANY | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 3M918-6H67 | 17446 | HUCK INTERNATIONAL, INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 3M918-6H67 | 27624 | SPS TECHNOLOGIES LLC DBA PB FASTENERS DIV PB FASTENERS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 3M918-6H67 | 56878 | SPS TECHNOLOGIES, LLC DBA PB FASTENERS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 3M918-6H67 | 73197 | HI-SHEAR CORPORATION | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 3M918-6H67 | 76301 | THE BOEING COMPANY DIV DEFENSE | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 3M918-6H67 | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC DIV TORRANCE OPERATIONS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 3M918-6H67 | 97928 | HUCK INTL INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 3M918-6H67 | L4528 | LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-10-07 | [SPE4A625PY455](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5306011443907) | BOLT, CLOSE TOLERANC | B S F (BUSINESS SOLUTIONS FASTENERS) INTERNATIONAL INC DBA B S F (SOLUTIONS POUR MANUFACTURIERS D'ATTACH?S) | $17,447.50 |
| 2026-09-18 | [SPE4A625PU335](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5306011443907) | BOLT, CLOSE TOLERANC | B S F (BUSINESS SOLUTIONS FASTENERS) INTERNATIONAL INC DBA B S F (SOLUTIONS POUR MANUFACTURIERS D'ATTACH?S) | $17,428.00 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5306011443907&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5306011443907
- 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/5306-01-144-3907/
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