# NSN 5306-01-306-2786: Bolt, Internally Relieved Body

NSN 5306-01-306-2786 (also written 5306013062786; NIIN 01-306-2786) is a bolt, internally relieved body in Federal Supply Class 5306, Bolts. 3 manufacturer part numbers from 3 suppliers are on record. It was last purchased in Sep 2026.

## Identification

- NSN: 5306-01-306-2786 (5306013062786)
- NIIN: 01-306-2786 (013062786)
- Item name: BOLT,INTERNALLY RELIEVED BODY
- 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 0.778 |
| AASB | FASTENER LENGTH | INCHES NOMINAL 5.015 |
| AASK | HEAD STYLE | — |
| AASL | HEAD DIAMETER | INCHES NOMINAL 1.625 |
| AASU | HEAD HEIGHT | INCHES NOMINAL 0.300 |
| AATB | WIDTH BETWEEN FLATS | INCHES MINIMUM 1.239 AND INCHES MAXIMUM 1.252 |
| AAWB | SHANK UNTHREADED HOLE DIAMETER | FIRST HOLE INCHES MINIMUM 0.141 AND INCHES MAXIMUM 0.151 |
| AAXC | CONCENTRIC HOLE DIAMETER | INCHES NOMINAL 0.625 |
| AHYM | NOMINAL THREAD DIAMETER | INCHES 1.000 |
| CMLP | THREAD QUANTITY PER INCH | 12 |
| CQBC | MINIMUM TENSILE STRENGTH | POUNDS PER SQUARE INCH 180000 |
| CQFM | HARDNESS RATING | OVERALL ROCKWELL C MINIMUM 39.0 AND ROCKWELL C MAXIMUM 43.0 |
| CRZS | DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | FIRST HOLE INCHES NOMINAL 0.265 |
| MATT | MATERIAL | OVERALL STEEL COMP 4340 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | OVERALL MIL SPEC SINGLE MATERIAL RESPONSE -IL-S-8844 |
| STYL | STYLE DESIGNATOR | — |
| THSD | THREAD SERIES DESIGNATOR | UNIFIED NATIONAL JOINT FINE (UNJF) |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 65850-05221-105 | 2V343 | APEX MANUFACTURING COMPANY, INC. DBA APEX MANUFACTURING CO | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 65850-05221-105 | 4GP55 | ACUFAST AIRCRAFT PRODUCTS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 65850-05221-105 | 78286 | SIKORSKY AIRCRAFT CORPORATION DBA SIKORSKY AIRCRAFT CORP | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-09-01 | [SPE4A626PV326](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5306013062786) | BOLT, INTERNALLY REL | APEX MANUFACTURING COMPANY, INC. DBA APEX MANUFACTURING CO | $15,000.00 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5306013062786&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5306013062786
- 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/5306-01-306-2786/
JSON: https://nsnexplorer.com/api/nsn/5306-01-306-2786.json