# NSN 4730-00-189-2588: Union, Pipe

NSN 4730-00-189-2588 (also written 4730001892588; NIIN 00-189-2588) is an union, pipe in Federal Supply Class 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. 5 manufacturer part numbers from 3 suppliers are on record. No purchases are on record yet.

## Identification

- NSN: 4730-00-189-2588 (4730001892588)
- NIIN: 00-189-2588 (001892588)
- Item name: UNION,PIPE
- 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 |
| --- | --- | --- |
| CWFN | REDUCED PASSAGE NOMINAL INSIDE DIAMETER | ALL ENDS INCHES 0.390 |
| CQNM | COUPLING FLANGE SHAPE | HEXAGON |
| STYL | STYLE DESIGNATOR | — |
| ZZZK | SPECIFICATION/STANDARD DATA | GOVERNMENT SPECIFICATION 81348-WW-U-516 |
| MATT | MATERIAL | OVERALL COPPER ALLOY |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | OVERALL FED SPEC SINGLE MATERIAL RESPONSE QQ-B-1005 AND FED SPEC 2ND MATERIAL RESPONSE AST- B145 ALLOY 4A |
| BYJF | SEAT TYPE | BALL-CONE |
| CQQF | OPERATING PRESSURE | SECOND RESPONSE POUNDS PER SQUARE INCH (PSI) MAXIMUM 400.0 |
| MEDA | MEDIA FOR WHICH DESIGNED | FIRST RESPONSE STEAM |
| ACSP | REDUCER TYPE | CONCENTRIC |
| ZZZT | NONDEFINITIVE SPEC/STD DATA | TYPE 2 AND STYLE A |
| AEHZ | MAXIMUM OPERATING TEMP | SINGLE RESPONSE FAHRENHEIT 400.0 |
| AHNC | CONNECTION STYLE | — |
| AWLS | CONNECTION TYPE | ALL ENDS THREADED INTERNAL PIPE |
| CWFR | NOMINAL OVERALL LENGTH | INCHES 1.560 |
| THSD | THREAD SERIES DESIGNATOR | ALL ENDS NPT |
| CQJX | NOMINAL THREAD SIZE | ALL ENDS INCHES 0.250 |
| CQQF | OPERATING PRESSURE | FIRST RESPONSE POUNDS PER SQUARE INCH (PSI) MAXIMUM 250.0 |
| MEDA | MEDIA FOR WHICH DESIGNED | SECOND RESPONSE WATER-OIL-GAS |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 11024189 | 59678 | COMBAT CAPABILITIES DEVELOPMENT COMMAND ARMAMENTS CENTER DBA US ARMY COMBAT CAPABILITIES DEVELOPMENT COMMAND ARMAMENTS CENTER | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 11024189-4 | 59678 | COMBAT CAPABILITIES DEVELOPMENT COMMAND ARMAMENTS CENTER DBA US ARMY COMBAT CAPABILITIES DEVELOPMENT COMMAND ARMAMENTS CENTER | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| A-A-59617 | 58536 | FEDERAL COMMERCIAL ITEM DESCRIPTION PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| AA59617-11 | 58536 | FEDERAL COMMERCIAL ITEM DESCRIPTION PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| WW-U-516-11 | 81348 | FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC | [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=4730001892588&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4730001892588
- 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/4730-00-189-2588/
JSON: https://nsnexplorer.com/api/nsn/4730-00-189-2588.json