# NSN 5306-00-579-1877: Bolt, Close Tolerance

NSN 5306-00-579-1877 (also written 5306005791877; NIIN 00-579-1877) is a bolt, close tolerance in Federal Supply Class 5306, Bolts. 2 manufacturer part numbers from 2 suppliers are on record. It was last purchased in Sep 2026.

## Identification

- NSN: 5306-00-579-1877 (5306005791877)
- NIIN: 00-579-1877 (005791877)
- 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 G: the government has a complete data package and the rights to use it. (observed 2026-10-10)
- Acquisition method code: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AHYM | NOMINAL THREAD DIAMETER | INCHES 0.312 |
| THSD | THREAD SERIES DESIGNATOR | UNF |
| AASU | HEAD HEIGHT | INCHES MINIMUM 0.172 AND INCHES MAXIMUM 0.204 |
| AAJD | THREAD CLASS | 3A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | INCHES MINIMUM 0.437 AND INCHES MAXIMUM 0.516 |
| ANEE | GRIP LENGTH | INCHES MINIMUM 1.046 AND INCHES MAXIMUM 1.078 |
| CMLP | THREAD QUANTITY PER INCH | 24 |
| CQBC | MINIMUM TENSILE STRENGTH | POUNDS PER SQUARE INCH 125000 |
| AATB | WIDTH BETWEEN FLATS | INCHES MINIMUM 0.490 AND INCHES MAXIMUM 0.502 |
| AAUR | GRIP DIAMETER | INCHES MINIMUM 0.3112 AND INCHES MAXIMUM 0.3117 |
| SFTT | SURFACE TREATMENT | OVERALL PASSIVATE |
| CQFM | HARDNESS RATING | OVERALL ROCKWELL C MINIMUM 26.0 AND ROCKWELL C MAXIMUM 32.0 |
| CSYM | SURFACE FINISH | BEARING SURFACE OF HEAD MICROINCHES 63.0 |
| AASB | FASTENER LENGTH | INCHES MINIMUM 1.515 AND INCHES MAXIMUM 1.562 |
| AASK | HEAD STYLE | — |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | OVERALL MIL SPEC SINGLE MATERIAL RESPONSE -IL-S-18732 |
| CSYM | SURFACE FINISH | GRIP MICROINCHES 63.0 |
| MATT | MATERIAL | OVERALL STEEL COMP 431 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 932.19.60.813 | S4080 | PILATUS AIRCRAFT LTD | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| AN175C14A | 88044 | AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-09-29 | [SPE4A626PHHHQ](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5306005791877) | BOLT, CLOSE TOLERANC | HC MERCHANDISERS, INC. DBA HC MERCHANDISERS INC DIV HC PACIFIC | $546.00 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5306005791877&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5306005791877
- 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/5306-00-579-1877/
JSON: https://nsnexplorer.com/api/nsn/5306-00-579-1877.json