# NSN 4730-01-077-0303: Adapter, Straight, Pipe To Tube

NSN 4730-01-077-0303 (also written 4730010770303; NIIN 01-077-0303) is an adapter, straight, pipe to tube in Federal Supply Class 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. 9 manufacturer part numbers from 8 suppliers are on record. It was last purchased in Aug 2026.

## Identification

- NSN: 4730-01-077-0303 (4730010770303)
- NIIN: 01-077-0303 (010770303)
- 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 R: the government owns neither the data nor the rights, and obtaining them is judged uneconomical. (observed 2026-11-02)
- Acquisition method code: 1

## 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 0.375 |
| CQJX | NOMINAL THREAD SIZE | FIRST END INCHES 0.750 |
| CQRB | SEAT ANGLE | FIRST END DEGREES 20.0 |
| CWFD | NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED | FIRST END INCHES 0.500 |
| CWFR | NOMINAL OVERALL LENGTH | INCHES 1.710 |
| MATT | MATERIAL | OVERALL STEEL COMP 316 |
| THSD | THREAD SERIES DESIGNATOR | FIRST END UNF |
| THSD | THREAD SERIES DESIGNATOR | SECOND END NPT |
| TMQY | FURNISHED ITEMS AND QUANTITY | TUBE COUPLING NUT 1 AND FERRULE SLEEVE 1 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 28522346-1 | 52088 | LOCKHEED MARTIN CORPORATION DIV RMS - MANASSAS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 533492 | 96214 | RAYTHEON COMPANY DBA RAYTHEON | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 533492-67 | 96214 | RAYTHEON COMPANY DBA RAYTHEON | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 5759354-2 | 53711 | NAVAL SEA SYSTEMS COMMAND | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 8MSC6N-316 | 54938 | PARKER-HANNIFIN CORPORATION DIV INSTRUMENTATION PRODUCTS DIVISION | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| CV0113-025 | 22915 | NORTHROP GRUMMAN CORP ELECTRONIC SYSTEMS DEFENSIVE SYSTEM DIV | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| SS-810-1-6 | 3T9T9 | SWAGELOK CO | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| SS8-1MC-6 | 11083 | CATERPILLAR INC DIV CATERPILLAR DEFENSE | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| SS8-1MC-6 | 14971 | TYLOK INTERNATIONAL, INC. | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-08-20 | [SPE7M326V3702](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4730010770303) | ADAPTER, STRAIGHT, PIPE TO TUBE | III WILLIAMS LLC | $2,862.00 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4730010770303&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4730010770303
- AMSC record: https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/
- USAspending contract actions (each award above links to its record)
- 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/4730-01-077-0303/
JSON: https://nsnexplorer.com/api/nsn/4730-01-077-0303.json