# NSN 4730-00-057-2663: Union, Pipe

NSN 4730-00-057-2663 (also written 4730000572663; NIIN 00-057-2663) is an union, pipe in Federal Supply Class 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. 4 manufacturer part numbers from 2 suppliers are on record. It was last purchased in Sep 2026.

## Identification

- NSN: 4730-00-057-2663 (4730000572663)
- NIIN: 00-057-2663 (000572663)
- 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 |
| --- | --- | --- |
| CQQF | OPERATING PRESSURE | SINGLE RESPONSE POUNDS PER SQUARE INCH (PSI) MAXIMUM 250.0 |
| AWLS | CONNECTION TYPE | FIRST END UNTHREADED INTERNAL PIPE |
| CQJX | NOMINAL THREAD SIZE | SECOND END INCHES 0.500 |
| MATT | MATERIAL | OVERALL COPPER ALLOY |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | OVERALL MIL SPEC SINGLE MATERIAL RESPONSE -IL-F-1183,TYE A |
| CQNM | COUPLING FLANGE SHAPE | ROUND |
| MEDA | MEDIA FOR WHICH DESIGNED | FIRST RESPONSE STEAM |
| MEDA | MEDIA FOR WHICH DESIGNED | SECOND RESPONSE WATER-OIL-GAS |
| AAAR | NOMINAL PIPE SIZE ACCOMMODATED | FIRST END INCHES 0.3750 |
| AAJE | THREAD PITCH DIAMETERS | SECOND END INCHES 1.2250 TO 1.2304 |
| ACSP | REDUCER TYPE | CONCENTRIC |
| AEHZ | MAXIMUM OPERATING TEMP | SINGLE RESPONSE FAHRENHEIT 150.0 |
| CQRB | SEAT ANGLE | SECOND END DEGREES 45.0 |
| AWLS | CONNECTION TYPE | SECOND END THREADED EXTERNAL PIPE |
| BYJF | SEAT TYPE | BEVELED |
| CMLP | THREAD QUANTITY PER INCH | 14 |
| STYL | STYLE DESIGNATOR | — |
| THSD | THREAD SERIES DESIGNATOR | SECOND END UNS |
| ZZZK | SPECIFICATION/STANDARD DATA | GOVERNMENT SPECIFICATION 81349--IL-F-1183J |
| ZZZT | NONDEFINITIVE SPEC/STD DATA | FIGURE 4 |
| AHNC | CONNECTION STYLE | — |
| CWFR | NOMINAL OVERALL LENGTH | INCHES 2.270 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| A317783-2 | 80020 | NAVAL AIR WARFARE CENTER AIRCRAFT DIVISION, LAKEHURST | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| M1183/10-11N1 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| M1183/10-31N1 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| MIL-F-1183/10-12-A-3 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Price history

Newest first.

| Date | Unit price | Quantity | Supplier | Agency | Source |
| --- | --- | --- | --- | --- | --- |
| 2026-09-22 | $163.20 | 15 | BEC SYSTEMS LLC DBA BEC MACHINE PRODUCTS | — | [record](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4730000572663) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-09-22 | [SPE7M226V5455](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4730000572663) | UNION, PIPE | BEC SYSTEMS LLC DBA BEC MACHINE PRODUCTS | $2,448.00 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4730000572663&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4730000572663
- 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.

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