# NSN 5306-01-123-9790: Bolt, Close Tolerance

NSN 5306-01-123-9790 (also written 5306011239790; NIIN 01-123-9790) is a bolt, close tolerance 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: 5306-01-123-9790 (5306011239790)
- NIIN: 01-123-9790 (011239790)
- 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 0.453 AND INCHES MAXIMUM 0.489 |
| AASB | FASTENER LENGTH | INCHES MINIMUM 2.031 AND INCHES MAXIMUM 2.051 |
| AASK | HEAD STYLE | — |
| AASU | HEAD HEIGHT | INCHES MINIMUM 0.157 AND INCHES MAXIMUM 0.172 |
| AATB | WIDTH BETWEEN FLATS | INCHES MINIMUM 0.492 AND INCHES MAXIMUM 0.502 |
| AAUR | GRIP DIAMETER | INCHES MINIMUM 0.3115 AND INCHES MAXIMUM 0.3120 |
| AAWB | SHANK UNTHREADED HOLE DIAMETER | ALL HOLES INCHES MINIMUM 0.076 AND INCHES MAXIMUM 0.086 |
| AHYM | NOMINAL THREAD DIAMETER | INCHES 0.312 |
| ANEE | GRIP LENGTH | INCHES MINIMUM 1.562 AND INCHES MAXIMUM 1.578 |
| CMLP | THREAD QUANTITY PER INCH | 24 |
| CRZS | DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | ALL HOLES INCHES MINIMUM 1.946 AND INCHES MAXIMUM 1.976 |
| CSYM | SURFACE FINISH | GRIP MICROINCHES 63.0 |
| CSYM | SURFACE FINISH | BEARING SURFACE OF HEAD MICROINCHES 63.0 |
| CSYM | SURFACE FINISH | THREADS MICROINCHES 32.0 |
| FEAT | SPECIAL FEATURES | WITH RETAINING ELEMENT ON SHANK AND TWO HOLES SPACED NINETY DEGREES APART |
| MATT | MATERIAL | OVERALL STEEL COMP XM-13 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | OVERALL ASSN STD SINGLE MATERIAL RESPONSE A-S5629 |
| 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 |
| --- | --- | --- | --- |
| SS5115-5-25 | 56878 | SPS TECHNOLOGIES, LLC DBA PB FASTENERS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| SS5115-5-25 | 78286 | SIKORSKY AIRCRAFT CORPORATION DBA SIKORSKY AIRCRAFT CORP | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| SS5115-5-25 | 80539 | SPS TECHNOLOGIES, LLC DBA AEROSPACE FASTENERS GROUP DIV AEROSPACE - SANTA ANA | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-09-22 | [SPE4A626P0U77](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5306011239790) | BOLT, CLOSE TOLERANCE | DON INDUSTRIAL GROUP LLC | $79,253.65 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5306011239790&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5306011239790
- 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/5306-01-123-9790/
JSON: https://nsnexplorer.com/api/nsn/5306-01-123-9790.json