# NSN 4730-01-303-1235: Adapter, Straight, Pipe To Tube

NSN 4730-01-303-1235 (also written 4730013031235; NIIN 01-303-1235) is an adapter, straight, pipe to tube in Federal Supply Class 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. 3 manufacturer part numbers from 2 suppliers are on record. No purchases are on record yet.

## Identification

- NSN: 4730-01-303-1235 (4730013031235)
- NIIN: 01-303-1235 (013031235)
- Item name: ADAPTER,STRAIGHT,PIPE TO TUBE
- 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 C: needs engineering source approval; other sources must qualify first. (observed 2026-10-10)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AAJD | THREAD CLASS | 3A |
| AHNC | CONNECTION STYLE | — |
| AWLS | CONNECTION TYPE | SECOND END THREADED EXTERNAL PIPE |
| AWLS | CONNECTION TYPE | FIRST END THREADED EXTERNAL TUBE |
| CQJX | NOMINAL THREAD SIZE | SECOND END INCHES 0.250 |
| CQJX | NOMINAL THREAD SIZE | FIRST END INCHES 0.438 |
| CQRB | SEAT ANGLE | FIRST END DEGREES 12.0 |
| CWFD | NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED | FIRST END INCHES 0.250 |
| CWFR | NOMINAL OVERALL LENGTH | INCHES 1.484 |
| FEAT | SPECIAL FEATURES | SPECIAL CLEANING FOR OXYGEN SERVICE IAW ASTM G93 |
| MATT | MATERIAL | OVERALL STEEL CORROSION RESISTING |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | OVERALL FED SPEC SINGLE MATERIAL RESPONSE QQ-S-763 |
| THSD | THREAD SERIES DESIGNATOR | FIRST END UNF |
| THSD | THREAD SERIES DESIGNATOR | SECOND END NPT |
| TMQY | FURNISHED ITEMS AND QUANTITY | TUBE COUPLING NUT W/SLEEVE 1 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 1551AS264 | 30003 | NAVAL AIR SYSTEMS COMMAND MANAGED ORIGINAL DESIGN ACTIVITY NOT MATERIAL/PARTS SUPPLIER | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 1551AS264-4 | 30003 | NAVAL AIR SYSTEMS COMMAND MANAGED ORIGINAL DESIGN ACTIVITY NOT MATERIAL/PARTS SUPPLIER | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| SS-400-1-4 | 3T9T9 | SWAGELOK CO | [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=4730013031235&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4730013031235
- 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/4730-01-303-1235/
JSON: https://nsnexplorer.com/api/nsn/4730-01-303-1235.json