# NSN 4730-01-073-7855: Locknut, Tube Fitting

NSN 4730-01-073-7855 (also written 4730010737855; NIIN 01-073-7855) is a locknut, tube fitting in Federal Supply Class 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. 8 manufacturer part numbers from 6 suppliers are on record. The government has 1 open solicitation for it.

## Identification

- NSN: 4730-01-073-7855 (4730010737855)
- NIIN: 01-073-7855 (010737855)
- Item name: LOCKNUT,TUBE FITTING
- Federal Supply Class: [FSC 4730 Hose, Pipe, Tube, Lubrication, and Railing Fittings](https://nsnexplorer.com/fsc/4730/)
- Federal Supply Group: [FSG 47](https://nsnexplorer.com/group/47/)
- Acquisition method suffix code: AMSC B: must be bought from the sources named on a source control or selected item drawing. (observed 2026-11-08)
- Acquisition method code: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AAJD | THREAD CLASS | 3A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| ACTA | NUT STYLE | — |
| ADEA | NUT HEIGHT | INCHES NOMINAL 0.484 |
| ASDB | WIDTH ACROSS FLATS | INCHES MINIMUM 2.865 AND INCHES MAXIMUM 2.887 |
| BZRR | THREAD SERIES | UNS |
| CFPT | PACKING RECESS DIAMETER | INCHES MINIMUM 2.323 AND INCHES MAXIMUM 2.329 |
| CFPW | PACKING RECESS DEPTH | INCHES MINIMUM 0.089 AND INCHES MAXIMUM 0.119 |
| CMLP | THREAD QUANTITY PER INCH | 16 |
| CQJX | NOMINAL THREAD SIZE | INCHES 2.359 |
| CQRJ | NOMINAL TUBE OUTSIDE DIAMETER | INCHES 2.323 |
| MATT | MATERIAL | OVERALL EXCEPT INSERT STEEL |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 12267739 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 12267739 | 27687 | GREER STOP NUT, INC. | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 12267739 | 73342 | ALLISON TRANSMISSION INC DBA ALLISON TRANSMISSION, INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 49N7974-2.360-18 | 27687 | GREER STOP NUT, INC. | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| BR4664-N12 | 019L2 | ESNA, LLC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| BR4664-N12 | 72962 | HARVARD INDUSTRIES INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| DAX11236 | 73342 | ALLISON TRANSMISSION INC DBA ALLISON TRANSMISSION, INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| SL7065N12 | 97393 | SPS TECHNOLOGIES LLC DBA SHUR-LOK COMPANY DIV AEROSPACE ENGINEERED PRODUCTS DIVISION | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Open solicitations

| Solicitation | Quantity | Closes | Link |
| --- | --- | --- | --- |
| SPE7M3-27-T-1136 | 31 | 2026-11-16 | [DIBBS](https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4730010737855&category=nsn) |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4730010737855&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4730010737855
- 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/4730-01-073-7855/
JSON: https://nsnexplorer.com/api/nsn/4730-01-073-7855.json