# NSN 5306-01-385-5976: Bolt, Close Tolerance

NSN 5306-01-385-5976 (also written 5306013855976; NIIN 01-385-5976) is a bolt, close tolerance in Federal Supply Class 5306, Bolts. 21 manufacturer part numbers from 20 suppliers are on record. It was last purchased in Sep 2026.

## Identification

- NSN: 5306-01-385-5976 (5306013855976)
- NIIN: 01-385-5976 (013855976)
- 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 2026-10-27)
- Acquisition method code: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AAJD | THREAD CLASS | 3A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | INCHES NOMINAL 0.467 |
| AASB | FASTENER LENGTH | INCHES MINIMUM 2.076 AND INCHES MAXIMUM 2.123 |
| AASK | HEAD STYLE | — |
| AASU | HEAD HEIGHT | INCHES MINIMUM 0.177 AND INCHES MAXIMUM 0.197 |
| AATB | WIDTH BETWEEN FLATS | INCHES MINIMUM 0.562 |
| AAUR | GRIP DIAMETER | INCHES MINIMUM 0.3115 AND INCHES MAXIMUM 0.3120 |
| AHYM | NOMINAL THREAD DIAMETER | INCHES 0.312 |
| ANEE | GRIP LENGTH | INCHES MINIMUM 1.615 AND INCHES MAXIMUM 1.635 |
| CMLP | THREAD QUANTITY PER INCH | 24 |
| MATT | MATERIAL | OVERALL STEEL COMP XM-13 |
| 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 |
| --- | --- | --- | --- |
| 109453-5-26 | 56878 | SPS TECHNOLOGIES, LLC DBA PB FASTENERS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 109453-5-26 | 80539 | SPS TECHNOLOGIES, LLC DBA AEROSPACE FASTENERS GROUP DIV AEROSPACE - SANTA ANA | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 11825-5-26 | 59563 | REID PRODUCTS INC. DBA REID PRODUCTS INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| AIC753-5-26 | 06725 | SPS TECHNOLOGIES, LLC DBA AIR INDUSTRIES COMPANY DIV AIR INDUSTRIES COMPANY | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| BM17019-5-26 | 17446 | HUCK INTERNATIONAL, INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| BM17019-5-26 | 97928 | HUCK INTL INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| GS1016-5-26 | 1EM77 | B & B SPECIALTIES INC DBA GS AEROSPACE DIV GS AEROSPACE | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| KS3020-5-26 | 59764 | KENALOY PRODUCTS INC SUB MASCO CORP | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| MA5453-5-26 | 58845 | ABOUNDING SECURITY INC DIV OF MAA CORP | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| MB61-5-26 | 73197 | HI-SHEAR CORPORATION | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| MB61-5-26 | L4528 | LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| PBF1253-5-26 | 27624 | SPS TECHNOLOGIES LLC DBA PB FASTENERS DIV PB FASTENERS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| ST3M453-5-26 | 0JV78 | J M PRECISION INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| ST3M453-5-26 | 0ZC92 | HEARTLAND PRECISION FASTENERS INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| ST3M453-5-26 | 57928 | SONIC INDUSTRIES, INC. DBA SONIC INDUSTRIES INC DIV SONIC INDUSTRIES | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| ST3M453-5-26 | 58998 | FASTENER INNOVATION TECHNOLOGY, INC. | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| ST3M453-5-26 | 59764 | KENALOY PRODUCTS INC SUB MASCO CORP | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| ST3M453-5-26 | 76301 | THE BOEING COMPANY DIV DEFENSE | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| VAL23029-5-26 | 06710 | VALLEY-TODECO, INC. DBA ARCONIC FASTENING SYSTEMS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| VS3204-5-26 | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| VS3204-5-26 | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC DIV TORRANCE OPERATIONS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-09-03 | [SPE4A626PX547](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5306013855976) | BOLT, CLOSE TOLERANC | DON INDUSTRIAL GROUP LLC | $7,500.00 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5306013855976&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5306013855976
- 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.

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