# NSN 4730-00-575-1615: Nut, Tube Coupling

NSN 4730-00-575-1615 (also written 4730005751615; NIIN 00-575-1615) is a nut, tube coupling in Federal Supply Class 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. 5 manufacturer part numbers from 4 suppliers are on record. The government has 1 open solicitation for it.

## Identification

- NSN: 4730-00-575-1615 (4730005751615)
- NIIN: 00-575-1615 (005751615)
- Item name: NUT,TUBE COUPLING
- 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 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 |
| --- | --- | --- |
| BRQL | LENGTH TO SHOULDER | INCHES NOMINAL 0.962 |
| AAJD | THREAD CLASS | 3B |
| ACTA | NUT STYLE | — |
| AARN | FABRICATION METHOD | MACHINED |
| SFTT | SURFACE TREATMENT | OVERALL ANODIZE |
| ASDB | WIDTH ACROSS FLATS | INCHES NOMINAL 1.500 |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| BZRR | THREAD SERIES | UN |
| CMLP | THREAD QUANTITY PER INCH | 12 |
| CQJX | NOMINAL THREAD SIZE | INCHES 1.312 |
| CQRJ | NOMINAL TUBE OUTSIDE DIAMETER | INCHES 1.000 |
| FEAT | SPECIAL FEATURES | W/2 0.061 IN. DIA LOCKWIRE HOLES,0.309 IN. FROM THD END |
| AGAV | END ITEM IDENTIFICATION | AIRCRAFT APPLICATION |
| MATT | MATERIAL | OVERALL ALUMINUM ALLOY |
| ADEA | NUT HEIGHT | INCHES NOMINAL 1.131 |
| BSPX | SMALLEST INSIDE DIAMETER | INCHES NOMINAL 1.089 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| AN818-L16D | 88044 | AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| AS4841 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| BACN10DP16D | 81205 | THE BOEING COMPANY DIV DEFENSE | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| MIL-F-5509 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| SAE-AS4841 | 0U583 | SAE INTERNATIONAL DBA SAE INTERNATIONAL | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Open solicitations

| Solicitation | Quantity | Closes | Link |
| --- | --- | --- | --- |
| SPE7M1-27-T-0225 | 3 | 2026-10-19 | [DIBBS](https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4730005751615&category=nsn) |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4730005751615&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4730005751615
- 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/4730-00-575-1615/
JSON: https://nsnexplorer.com/api/nsn/4730-00-575-1615.json