# NSN 4730-00-640-6833: Flange, Pipe

NSN 4730-00-640-6833 (also written 4730006406833; NIIN 00-640-6833) is a flange, pipe in Federal Supply Class 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. 10 manufacturer part numbers from 7 suppliers are on record. No purchases are on record yet.

## Identification

- NSN: 4730-00-640-6833 (4730006406833)
- NIIN: 00-640-6833 (006406833)
- 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 2026-10-10)
- Acquisition method code: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| ABKK | FLANGE DIAMETER | INCHES NOMINAL 4.250 |
| ACSU | NOMINAL PIPE SIZE FOR WHICH DESIGNED | INCHES 1.000 |
| AECS | BOLT HOLE QUANTITY | 4 |
| AHNX | BOLT HOLE DIAMETER | INCHES NOMINAL 0.562 |
| AJEG | NECK HEIGHT | INCHES MINIMUM 0.688 AND INCHES MAXIMUM 0.734 |
| ABXV | BORE DIAMETER | INCHES MINIMUM 1.156 AND INCHES MAXIMUM 1.180 |
| SUPP | SUPPLEMENTARY FEATURES | BRAZING RING IS NOT TO BE INSERTED IN GROOVEBUT PACKAGED SEPARATELY AND EITHER INCLUDED WITHIN THE PARENT COMPONENT PACKAGE OR PHYSICALLY ATTACHED TO PARENT COMPONENT |
| ZZZT | NONDEFINITIVE SPEC/STD DATA | TYPE R AND CLASS LAIN,150 LB |
| CRWH | MAXIMUM OPERATING TEMP AND MEDIA FOR WHICH DESIGNED | FAHRENHEIT GAS 425.0 AND FAHRENHEIT OIL 425.0 AND FAHRENHEIT STEAM 425.0 AND FAHRENHEIT WATER 425.0 |
| MATT | MATERIAL | COPPER ALLOY |
| PRTY | OPERATING PRESSURE AND TYPE | LOCATION NOT OTHERWISE SPECIFIED POUNDS PER SQUARE INCH (PSI) GAS MAXIMUM REQUIRED 150.0 AND POUNDS PER SQUARE INCH (PSI) OIL MAXIMUM REQUIRED 150.0 AND POUNDS PER SQUARE INCH (PSI) STEAM MAXIMUM REQUIRED 150.0 AND POUNDS PER SQUARE INCH (PSI) WATER MAXIMUM REQUIRED 150.0 |
| STYL | STYLE DESIGNATOR | — |
| AKWE | FACE SEATING SURFACE CONDITION | SERRATED |
| ABKG | BOLT CIRCLE DIAMETER | INCHES NOMINAL 3.125 |
| AJEM | FLANGE SECTION STYLE | — |
| ABNM | THICKNESS | INCHES MINIMUM 0.438 AND INCHES MAXIMUM 0.516 |
| ABXP | SOCKET DIAMETER | INCHES MINIMUM 1.290 AND INCHES MAXIMUM 1.315 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| B176 | 80064 | NAVAL SHIP SYSTEMS COMMAND | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| CS4730-0108 | 16236 | DLA WEAPONS SUPPORT (COLUMBUS) DBA DLA VENDOR ITEM DRAWING (VID) DIV DOCUMENT STANDARDIZATION DIVISION (VA) | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| CS4730-0108A027DJ | 16236 | DLA WEAPONS SUPPORT (COLUMBUS) DBA DLA VENDOR ITEM DRAWING (VID) DIV DOCUMENT STANDARDIZATION DIVISION (VA) | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| CS4730-0108A027DJ | 63686 | THE WALWORTH COMPANY | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| CS4730-0108A027DJ | 71905 | DERBYSHIRE MACHINE & TOOL CO | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| CS4730-0108A027DJ | 72423 | FLAGG STANLEY G & CO INC DBA FLAGG BRASS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| CS4730-0108A027DJ | 76364 | MILWAUKEE VALVE CO, INC DIV MILWAUKEE VALVE COMPANY, LLC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| MIL-PRF-20042 | 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-PRF-20042,TYEF,CL150,1IN | 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/) |
| MILF20042 | 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/) |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4730006406833&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4730006406833
- 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/4730-00-640-6833/
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