# NSN 4730-00-256-8563: Flange, Pipe

NSN 4730-00-256-8563 (also written 4730002568563; NIIN 00-256-8563) is a flange, pipe in Federal Supply Class 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. 6 manufacturer part numbers from 5 suppliers are on record. The government has 1 open solicitation for it.

## Identification

- NSN: 4730-00-256-8563 (4730002568563)
- NIIN: 00-256-8563 (002568563)
- Item name: FLANGE,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 2026-10-16)
- Acquisition method code: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AJEM | FLANGE SECTION STYLE | — |
| ABNM | THICKNESS | INCHES MINIMUM 0.688 AND INCHES MAXIMUM 0.750 |
| ZZZT | NONDEFINITIVE SPEC/STD DATA | TYPE C |
| ZZZX | DEPARTURE FROM CITED DESIGNATOR | AS MODIFIED BY THK OF FLANGE |
| PRTY | OPERATING PRESSURE AND TYPE | LOCATION NOT OTHERWISE SPECIFIED POUNDS PER SQUARE INCH (PSI) STEAM MAXIMUM REQUIRED 150.0 AND POUNDS PER SQUARE INCH (PSI) GAS MAXIMUM REQUIRED 200.0 AND POUNDS PER SQUARE INCH (PSI) OIL MAXIMUM REQUIRED 200.0 AND POUNDS PER SQUARE INCH (PSI) WATER MAXIMUM REQUIRED 200.0 |
| CRWH | MAXIMUM OPERATING TEMP AND MEDIA FOR WHICH DESIGNED | FAHRENHEIT STEAM 775.0 AND FAHRENHEIT GAS 300.0 AND FAHRENHEIT OIL 300.0 AND FAHRENHEIT WATER 300.0 |
| STYL | STYLE DESIGNATOR | — |
| ABKG | BOLT CIRCLE DIAMETER | INCHES MINIMUM 7.812 AND INCHES MAXIMUM 7.844 |
| ABKK | FLANGE DIAMETER | INCHES MINIMUM 9.062 AND INCHES MAXIMUM 9.125 |
| AKWE | FACE SEATING SURFACE CONDITION | MACHINED |
| AHNX | BOLT HOLE DIAMETER | INCHES MINIMUM 0.656 AND INCHES MAXIMUM 0.688 |
| ACSU | NOMINAL PIPE SIZE FOR WHICH DESIGNED | INCHES 5.000 |
| AECS | BOLT HOLE QUANTITY | 10 |
| MATT | MATERIAL | STEEL |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| B110TYPEC | 53711 | NAVAL SEA SYSTEMS COMMAND | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| B110TYPEC | 80064 | NAVAL SHIP SYSTEMS COMMAND | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| MIL-F-20670, TYPE C, SZ 5 INCH | 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/) |
| MILF20670 | 03958 | MINDECO CORP | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| MILF20670 | 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/) |
| MILF20670 | 87279 | SMOLKA CO INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Open solicitations

| Solicitation | Quantity | Closes | Link |
| --- | --- | --- | --- |
| SPE7M3-27-T-0484 | 2 | 2026-10-26 | [DIBBS](https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4730002568563&category=nsn) |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4730002568563&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4730002568563
- 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/4730-00-256-8563/
JSON: https://nsnexplorer.com/api/nsn/4730-00-256-8563.json