# NSN 5306-01-597-9648: Bolt, Close Tolerance

NSN 5306-01-597-9648 (also written 5306015979648; NIIN 01-597-9648) is a bolt, close tolerance in Federal Supply Class 5306, Bolts. 19 manufacturer part numbers from 19 suppliers are on record. It was last purchased in Aug 2026.

## Identification

- NSN: 5306-01-597-9648 (5306015979648)
- NIIN: 01-597-9648 (015979648)
- 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 2026-11-04)
- Acquisition method code: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AAUB | HOLE DIAMETER | INCHES NOMINAL 0.070 |
| AAUR | GRIP DIAMETER | INCHES MINIMUM 0.2021 AND INCHES MAXIMUM 0.2026 |
| AHYM | NOMINAL THREAD DIAMETER | INCHES 0.190 |
| ANEE | GRIP LENGTH | INCHES NOMINAL 0.310 |
| THSD | THREAD SERIES DESIGNATOR | UNIFIED NATIONAL JOINT FINE (UNJF) |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | OVERALL ASSN STD SINGLE MATERIAL RESPONSE A-S 5662 |
| AASK | HEAD STYLE | — |
| AASL | HEAD DIAMETER | INCHES MINIMUM 0.3729 AND INCHES MAXIMUM 0.3813 |
| AAJD | THREAD CLASS | 3A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | INCHES NOMINAL 0.315 |
| AASB | FASTENER LENGTH | INCHES NOMINAL 0.625 |
| ASXK | HOLE QUANTITY | 1 |
| BQDM | HOLE TYPE | DRILLED |
| CMLP | THREAD QUANTITY PER INCH | 32 |
| CQBC | MINIMUM TENSILE STRENGTH | POUNDS PER SQUARE INCH 125000 |
| CRHC | HOLE CONFIGURATION STYLE | — |
| CRSQ | COUNTERSINK ANGLE | DEGREES MINIMUM 99.0 AND DEGREES MAXIMUM 101.0 |
| MATT | MATERIAL | OVERALL NICKEL ALLOY 718 |
| SFTT | SURFACE TREATMENT | OVERALL PASSIVATE |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | OVERALL MIL SPEC SINGLE TREATMENT RESPONSE -IL-L-87132, TYE I, CLASS B |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 11857E3D5A | 59563 | REID PRODUCTS INC. DBA REID PRODUCTS INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 3M1275E3D5A | 06710 | VALLEY-TODECO, INC. DBA ARCONIC FASTENING SYSTEMS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 3M1275E3D5A | 06725 | SPS TECHNOLOGIES, LLC DBA AIR INDUSTRIES COMPANY DIV AIR INDUSTRIES COMPANY | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 3M1275E3D5A | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 3M1275E3D5A | 0K6Z0 | SATURN FASTENERS INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 3M1275E3D5A | 0ZC92 | HEARTLAND PRECISION FASTENERS INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 3M1275E3D5A | 17446 | HUCK INTERNATIONAL, INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 3M1275E3D5A | 1EM77 | B & B SPECIALTIES INC DBA GS AEROSPACE DIV GS AEROSPACE | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 3M1275E3D5A | 1VSL7 | HOUSTON PRECISION FASTENERS I LP | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 3M1275E3D5A | 27624 | SPS TECHNOLOGIES LLC DBA PB FASTENERS DIV PB FASTENERS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 3M1275E3D5A | 4WL75 | CAMCAR LLC DIV CAMCAR LLC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 3M1275E3D5A | 56878 | SPS TECHNOLOGIES, LLC DBA PB FASTENERS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 3M1275E3D5A | 58998 | FASTENER INNOVATION TECHNOLOGY, INC. | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 3M1275E3D5A | 60516 | WEST COAST AEROSPACE, INC. | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 3M1275E3D5A | 73197 | HI-SHEAR CORPORATION | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 3M1275E3D5A | 76301 | THE BOEING COMPANY DIV DEFENSE | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 3M1275E3D5A | 80539 | SPS TECHNOLOGIES, LLC DBA AEROSPACE FASTENERS GROUP DIV AEROSPACE - SANTA ANA | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 3M1275E3D5A | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC DIV TORRANCE OPERATIONS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 3M1275E3D5A | U6683 | LINREAD LTD | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-08-11 | [SPE4A626PAP85](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5306015979648) | BOLT, CLOSE TOLERANC | — | $1,256.85 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5306015979648&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5306015979648
- 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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