# NSN 5306-01-658-6881: Bolt, Internal Wrenching

NSN 5306-01-658-6881 (also written 5306016586881; NIIN 01-658-6881) is a bolt, internal wrenching in Federal Supply Class 5306, Bolts. 4 manufacturer part numbers from 3 suppliers are on record. No purchases are on record yet.

## Identification

- NSN: 5306-01-658-6881 (5306016586881)
- NIIN: 01-658-6881 (016586881)
- Item name: BOLT,INTERNAL WRENCHING
- 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 2026-11-03)
- Acquisition method code: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| CRTL | CRITICALITY CODE JUSTIFICATION | SPCL AND CQFM AND CQBC |
| CXCY | PART NAME ASSIGNED BY CONTROLLING AGENCY | SCREW-ROLLED THREADS CAP HEX SOCKET, CYLNDRICAL HEAD |
| MATT | MATERIAL | OVERALL STEEL |
| AASU | HEAD HEIGHT | INCHES NOMINAL 0.250 |
| ABQZ | INTERNAL DRIVE STYLE | — |
| AASA | THREAD LENGTH | INCHES NOMINAL 1.25 |
| AASB | FASTENER LENGTH | INCHES NOMINAL 1.75 |
| AASK | HEAD STYLE | — |
| CMLP | THREAD QUANTITY PER INCH | 28 |
| CQBC | MINIMUM TENSILE STRENGTH | POUNDS PER SQUARE INCH 150000 |
| CQFM | HARDNESS RATING | OVERALL ROCKWELL C MINIMUM 36.0 AND ROCKWELL C MAXIMUM 43.0 |
| AAJD | THREAD CLASS | 3A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASL | HEAD DIAMETER | INCHES NOMINAL 0.375 |
| SPCL | SPECIAL TEST FEATURES | MAGNETIC PARTICLE INSPECTION E1444 |
| THSD | THREAD SERIES DESIGNATOR | UNRF |
| AGAV | END ITEM IDENTIFICATION | NAVY |
| AHYM | NOMINAL THREAD DIAMETER | INCHES 0.250 |
| ASDB | WIDTH ACROSS FLATS | INCHES MINIMUM 0.188 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | OVERALL ASSN STD ALL MATERIAL RESPONSES A-S6382 OR ASSN STD ALL MATERIAL RESPONSES A-S6414 OR ASSN STD ALL MATERIAL RESPONSES A-S6415 OR ASSN STD ALL MATERIAL RESPONSES A-S6382 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 509411 | 80020 | NAVAL AIR WARFARE CENTER AIRCRAFT DIVISION, LAKEHURST | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 509441-414 | 00360 | APOLLO AEROSPACE COMPONENTS LLC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 509441-414 | 5N842 | METRICAN INC DBA METRIX MANUFACTURING COMPANY | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 509441-414 | 80020 | NAVAL AIR WARFARE CENTER AIRCRAFT DIVISION, LAKEHURST | [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=5306016586881&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5306016586881
- 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/5306-01-658-6881/
JSON: https://nsnexplorer.com/api/nsn/5306-01-658-6881.json