# NSN 5306-00-056-6973: Bolt, Machine

NSN 5306-00-056-6973 (also written 5306000566973; NIIN 00-056-6973) is a bolt, machine in Federal Supply Class 5306, Bolts. 6 manufacturer part numbers from 6 suppliers are on record. No purchases are on record yet.

## Identification

- NSN: 5306-00-056-6973 (5306000566973)
- NIIN: 00-056-6973 (000566973)
- Item name: BOLT,MACHINE
- 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 |
| MATT | MATERIAL | OVERALL STEEL COMP 601 |
| CSYM | SURFACE FINISH | BEARING SURFACE OF HEAD MICROINCHES 63.0 |
| CSYM | SURFACE FINISH | GRIP MICROINCHES 63.0 |
| CRTL | CRITICALITY CODE JUSTIFICATION | FEAT |
| AASU | HEAD HEIGHT | INCHES MINIMUM 0.250 AND INCHES MAXIMUM 0.270 |
| AATB | WIDTH BETWEEN FLATS | INCHES MINIMUM 0.304 AND INCHES MAXIMUM 0.313 |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| THSD | THREAD SERIES DESIGNATOR | UNF |
| ASXK | HOLE QUANTITY | 4 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | OVERALL ASSN STD SINGLE MATERIAL RESPONSE A-S 6304 |
| CRHC | HOLE CONFIGURATION STYLE | — |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | OVERALL ASSN STD SINGLE TREATMENT RESPONSE A-S 2416 |
| AASA | THREAD LENGTH | INCHES MINIMUM 0.740 AND INCHES MAXIMUM 0.820 |
| AASB | FASTENER LENGTH | INCHES MINIMUM 1.365 AND INCHES MAXIMUM 1.385 |
| AASK | HEAD STYLE | — |
| CQFM | HARDNESS RATING | OVERALL ROCKWELL C MINIMUM 30.0 AND ROCKWELL C MAXIMUM 38.0 |
| SFTT | SURFACE TREATMENT | OVERALL CADMIUM |
| AATC | EXTENDED WASHER DIAMETER | INCHES MINIMUM 0.428 AND INCHES MAXIMUM 0.448 |
| AATD | EXTENDED WASHER THICKNESS | INCHES MINIMUM 0.040 AND INCHES MAXIMUM 0.050 |
| AAUB | HOLE DIAMETER | INCHES NOMINAL 0.060 |
| AHYM | NOMINAL THREAD DIAMETER | INCHES 0.250 |
| ANEE | GRIP LENGTH | INCHES MINIMUM 0.565 AND INCHES MAXIMUM 0.625 |
| FEAT | SPECIAL FEATURES | CRITICAL FEATURES, TOLERANCES, FIT RESTRICTIONS, MATERIAL PROPERTIES AND MANUFACTURING PROCESS. FAILURE COULD RESULT IN LOSS OR SUBSTANTIAL DAMAGE TOWEAPON SYSTEM, DEATH OR SERIOUS INJURY. |
| BQDM | HOLE TYPE | DRILLED |
| CBBL | FEATURES PROVIDED | FINISHED HEAD |
| CMLP | THREAD QUANTITY PER INCH | 28 |
| CSYM | SURFACE FINISH | THREADS MICROINCHES 32.0 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 483214 | 06725 | SPS TECHNOLOGIES, LLC DBA AIR INDUSTRIES COMPANY DIV AIR INDUSTRIES COMPANY | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 483214 | 0UCY9 | M.S. AEROSPACE INC. DBA MS AEROSPACE INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 483214 | 52661 | RTX CORPORATION DIV PRATT & WHITNEY | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 483214 | 56878 | SPS TECHNOLOGIES, LLC DBA PB FASTENERS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 483214 | 77445 | RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 483214 | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC DIV TORRANCE OPERATIONS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5306000566973&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5306000566973
- AMSC record: https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/
- 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/5306-00-056-6973/
JSON: https://nsnexplorer.com/api/nsn/5306-00-056-6973.json