# NSN 5310-00-139-4627: Nut, Self-Locking, Hexagon

NSN 5310-00-139-4627 (also written 5310001394627; NIIN 00-139-4627) is a nut, self-locking, hexagon in Federal Supply Class 5310, Nuts and Washers. 2 manufacturer part numbers from 2 suppliers are on record. The government has 1 open solicitation for it.

## Identification

- NSN: 5310-00-139-4627 (5310001394627)
- NIIN: 00-139-4627 (001394627)
- Item name: NUT,SELF-LOCKING,HEXAGON
- Federal Supply Class: [FSC 5310 Nuts and Washers](https://nsnexplorer.com/fsc/5310/)
- 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 |
| --- | --- | --- |
| CBBL | FEATURES PROVIDED | CASE-HARDENED |
| MATT | MATERIAL | OVERALL STEEL COMP 1013 OR STEEL COMP 1045 |
| CQFM | HARDNESS RATING | ROCKWELL C MINIMUM 20.0 AND ROCKWELL C MAXIMUM 25.0 |
| BZRR | THREAD SERIES | UNF |
| SFTT | SURFACE TREATMENT | OVERALL ZINC |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | OVERALL FED SPEC SINGLE TREATMENT RESPONSE QQ-Z-325,TY 2,CL 3 |
| FEAT | SPECIAL FEATURES | LOCKING FEATURE MAY BE ELLIPTICAL,TRIANGULAR ETC,BUT NOT SLOTTED |
| ACTA | NUT STYLE | — |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | OVERALL FED SPEC ALL MATERIAL RESPONSES QQ-S-634 |
| CRSQ | COUNTERSINK ANGLE | NUT DEGREES NOMINAL 90.0 |
| CRTM | BEARING SURFACE TYPE | CHAMFERED |
| AAJD | THREAD CLASS | 2B |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AAUM | LOCKING FEATURE | PREVAILING TORQUE ALL METAL DESIGN |
| ABAJ | LUBRICATION | SOLUBLE LUBRICANT |
| CQJX | NOMINAL THREAD SIZE | INCHES 0.250 |
| ADEA | NUT HEIGHT | INCHES NOMINAL 0.281 |
| ASDB | WIDTH ACROSS FLATS | INCHES NOMINAL 0.438 |
| CMLP | THREAD QUANTITY PER INCH | 28 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 11609727-1 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 5310001394627 | A00AM | E.C.A ETABLISSEMENT CENTRAL DES APPROVISIONNEMENTS DES FORCES ARMEES ROYALES | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Open solicitations

| Solicitation | Quantity | Closes | Link |
| --- | --- | --- | --- |
| SPE4A6-27-T-3806 | 5 | 2026-10-21 | [DIBBS](https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5310001394627&category=nsn) |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5310001394627&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310001394627
- 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/5310-00-139-4627/
JSON: https://nsnexplorer.com/api/nsn/5310-00-139-4627.json