# NSN 4730-00-554-9880: Thread Piece, Union

NSN 4730-00-554-9880 (also written 4730005549880; NIIN 00-554-9880) is a thread piece, union in Federal Supply Class 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. 15 manufacturer part numbers from 15 suppliers are on record. It was last purchased in Nov 2026.

## Identification

- NSN: 4730-00-554-9880 (4730005549880)
- NIIN: 00-554-9880 (005549880)
- Item name: THREAD PIECE,UNION
- 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 2026-11-06)
- Acquisition method code: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| MATT | MATERIAL | STEEL COMP 4130 |
| ALME | MATERIAL HARDNESS RATING | ROCKWELL B MINIMUM 92.0 AND ROCKWELL B MAXIMUM 98.0 |
| CGNG | UNION END THREAD DIRECTION | RIGHT-HAND |
| AWZY | END CONNECTION TYPE | THREADED |
| CGNF | UNION END SCREW THREAD SERIES DESIGNATOR | UN |
| ABHP | OVERALL LENGTH | INCHES NOMINAL 1.500 |
| ABUJ | THREAD SIZE | 3/4-16 |
| AJYP | SCREW THREAD SERIES DESIGNATOR | UNF |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| BBMM | SCREW THREAD LOCATION | EXTERNAL |
| CDPG | WORKING PRESSURE AND SERVICE TYPE | POUNDS PER SQUARE INCH (PSI) NOMINAL WATER 4000.0 |
| CGND | UNION END THREAD SIZE | 1-3/16IN-12 |
| BYJF | SEAT TYPE | STRAIGHT FACE |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| A316277-3 | 07310 | CALABRESE & SONS, INC. | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| A316277-3 | 0A396 | COMPUTA-BASE-MACHINING, INC. | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| A316277-3 | 0JC12 | BEC SYSTEMS LLC DBA BEC MACHINE PRODUCTS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| A316277-3 | 1V517 | DUHADAWAY TOOL & DIE SHOP INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| A316277-3 | 2M490 | NASSAU TOOL WORKS, INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| A316277-3 | 2Y430 | LCL ELECTRONICS INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| A316277-3 | 30828 | KROBACH MFG. CORP. DBA KROBACH MANUFACTURING CORP | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| A316277-3 | 3BZG7 | NUFLO, INC. | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| A316277-3 | 3DDL3 | BILLET INDUSTRIES INC DBA BILLET INDUSTRIES INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| A316277-3 | 58078 | AIRTRONICS, LLC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| A316277-3 | 5S946 | PRE-MACH INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| A316277-3 | 6W889 | AMMCON CORP. | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| A316277-3 | 80020 | NAVAL AIR WARFARE CENTER AIRCRAFT DIVISION, LAKEHURST | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| A316277-3 | 9U245 | MASTER RESEARCH & MANUFACTURING, INC. DBA MASTER RESEARCH & MANUFACTURING INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| EPA21000-260 | F3014 | NAVAL GROUP SITE DE BREST | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-11-05 | [SPE7M225P1585](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4730005549880) | THREAD PIECE, UNION | BEC SYSTEMS LLC DBA BEC MACHINE PRODUCTS | $6,204.04 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4730005549880&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4730005549880
- 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/4730-00-554-9880/
JSON: https://nsnexplorer.com/api/nsn/4730-00-554-9880.json
