# NSN 4730-01-550-6518: Plug, Tube Fitting, Threaded

NSN 4730-01-550-6518 (also written 4730015506518; NIIN 01-550-6518) is a plug, tube fitting, threaded in Federal Supply Class 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. 9 manufacturer part numbers from 3 suppliers are on record. The government has 1 open solicitation for it.

## Identification

- NSN: 4730-01-550-6518 (4730015506518)
- NIIN: 01-550-6518 (015506518)
- Item name: PLUG,TUBE FITTING,THREADED
- 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 T: handled under qualified products list procedures. (observed 2026-11-08)
- Acquisition method code: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AAJD | THREAD CLASS | 3A |
| AAJF | THREAD DIRECTION | EXTERNAL RIGHT-HAND |
| AASU | HEAD HEIGHT | INCHES NOMINAL 0.375 |
| ABHP | OVERALL LENGTH | INCHES NOMINAL 1.063 |
| AGAV | END ITEM IDENTIFICATION | MRAP BUFFALO MK2A2 |
| AHNC | CONNECTION STYLE | — |
| CMLP | THREAD QUANTITY PER INCH | 12 |
| CQJX | NOMINAL THREAD SIZE | EXTERNAL INCHES 1.312 |
| CQRB | SEAT ANGLE | DEGREES 12.0 |
| FEAT | SPECIAL FEATURES | CORROSION RESISTANT STEEL(15-5PH) WITH CADMIUM PLATING |
| MATT | MATERIAL | OVERALL STEEL COMP 15-5PH |
| SFTT | SURFACE TREATMENT | OVERALL CADMIUM |
| STYL | STYLE DESIGNATOR | — |
| THSD | THREAD SERIES DESIGNATOR | EXTERNAL UNIFIED NATIONAL JOINT (UNJ) |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 4730PL1578273 | 9009H | JEDNOLITY INDEKS MATERIALOWY - UNIFORM MATERIAL INDEX | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| AS18280 | 0U583 | SAE INTERNATIONAL DBA SAE INTERNATIONAL | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| AS18280 | 81343 | SOCIETY OF AUTOMOTIVE ENGINEERS INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| AS21913 | 0U583 | SAE INTERNATIONAL DBA SAE INTERNATIONAL | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| AS21913 | 81343 | SOCIETY OF AUTOMOTIVE ENGINEERS INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| MS21913V16P | 0U583 | SAE INTERNATIONAL DBA SAE INTERNATIONAL | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| MS21913V16P | 81343 | SOCIETY OF AUTOMOTIVE ENGINEERS INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| SAE-AS18280 | 0U583 | SAE INTERNATIONAL DBA SAE INTERNATIONAL | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| SAE-AS21913 | 0U583 | SAE INTERNATIONAL DBA SAE INTERNATIONAL | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Open solicitations

| Solicitation | Quantity | Closes | Link |
| --- | --- | --- | --- |
| SPE7M3-27-T-1176 | 864 | 2026-11-16 | [DIBBS](https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4730015506518&category=nsn) |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4730015506518&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4730015506518
- 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/4730-01-550-6518/
JSON: https://nsnexplorer.com/api/nsn/4730-01-550-6518.json