# NSN 4730-00-640-6835: Flange, Pipe

NSN 4730-00-640-6835 (also written 4730006406835; NIIN 00-640-6835) is a flange, pipe in Federal Supply Class 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. 7 manufacturer part numbers from 6 suppliers are on record. The government has 1 open solicitation for it.

## Identification

- NSN: 4730-00-640-6835 (4730006406835)
- NIIN: 00-640-6835 (006406835)
- 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 |
| --- | --- | --- |
| ABKG | BOLT CIRCLE DIAMETER | INCHES NOMINAL 3.938 |
| SUPP | SUPPLEMENTARY FEATURES | BRAZING RING IS NOT TO BE INSERTED IN GROOVE BUT PACKAGE SEPARATELY AND EITHER INCLUDED WITHIN THE PARENT COMPONENT PACKAGE OR PHYSICALLY ATTACHED TO PARENT COMPONENT. |
| ZZZT | NONDEFINITIVE SPEC/STD DATA | TYPE R |
| STYL | STYLE DESIGNATOR | — |
| ABKK | FLANGE DIAMETER | INCHES NOMINAL 5.062 |
| AECS | BOLT HOLE QUANTITY | 6 |
| AHNX | BOLT HOLE DIAMETER | INCHES NOMINAL 0.562 |
| AKWE | FACE SEATING SURFACE CONDITION | MACHINED |
| 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 |
| 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 |
| AJEG | NECK HEIGHT | INCHES NOMINAL 0.938 |
| AJEM | FLANGE SECTION STYLE | — |
| ABXP | SOCKET DIAMETER | INCHES NOMINAL 1.900 |
| ACSV | TUBE OUTSIDE DIAMETER FOR WHICH DESIGNED | INCHES NOMINAL 1.900 |
| ABNM | THICKNESS | INCHES NOMINAL 0.438 |

## 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/) |
| CS4730-0108A029DJ | 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/) |
| CS4730-0108A029DJ | 71905 | DERBYSHIRE MACHINE & TOOL CO | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| CS4730-0108A029DJ | 72423 | FLAGG STANLEY G & CO INC DBA FLAGG BRASS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| CS4730-0108A029DJ | 76364 | MILWAUKEE VALVE CO, INC DIV MILWAUKEE VALVE COMPANY, LLC | [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/) |

## Open solicitations

| Solicitation | Quantity | Closes | Link |
| --- | --- | --- | --- |
| SPE7M3-27-T-0134 | 55 | 2026-10-19 | [DIBBS](https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4730006406835&category=nsn) |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4730006406835&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4730006406835
- 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/4730-00-640-6835/
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