# NSN 4730-01-206-3732: Expansion Joint, Pipe

NSN 4730-01-206-3732 (also written 4730012063732; NIIN 01-206-3732) is an expansion joint, pipe in Federal Supply Class 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. 4 manufacturer part numbers from 3 suppliers are on record. The government has 1 open solicitation for it.

## Identification

- NSN: 4730-01-206-3732 (4730012063732)
- NIIN: 01-206-3732 (012063732)
- Item name: EXPANSION JOINT,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 D: the data needed to compete the part is unavailable or cannot be obtained economically. (observed 2026-10-13)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AAGN | NOMINAL PIPE SIZE DESIGNATION | INCHES 8.000 |
| ABHP | OVERALL LENGTH | INCHES NOMINAL 9.750 |
| ABKG | BOLT CIRCLE DIAMETER | INCHES NOMINAL 11.062 |
| AECS | BOLT HOLE QUANTITY | 14 |
| AHNX | BOLT HOLE DIAMETER | INCHES NOMINAL 0.688 |
| AHTC | FLANGE OUTSIDE DIAMETER | INCHES NOMINAL 13.500 |
| APGF | DESIGN TYPE | CORRUGATED ELEMENT |
| AQNE | JOINT TYPE | SINGLE |
| AWZY | END CONNECTION TYPE | FLANGED |
| CHLN | EQUALIZATION CHARACTERISTIC | SELF-EQUALIZING |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 813-546-003 | 830R7 | CURTISS-WRIGHT ELECTRO-MECHANICAL CORP DIV FLEET SOLUTIONS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 857-022-041 | 0DFD9 | SIEMENS GOVERNMENT TECHNOLOGIES, INC. DBA SGT DRESSER-RAND | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 857-022-041 | 51729 | DRESSER, INC. DBA DRESSER ROOTS BLOWERS & COMPRESSORS DIV DRESSER ROOTS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 857-022-041 | 830R7 | CURTISS-WRIGHT ELECTRO-MECHANICAL CORP DIV FLEET SOLUTIONS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Open solicitations

| Solicitation | Quantity | Closes | Link |
| --- | --- | --- | --- |
| SPE7M3-27-T-0335 | 1 | 2026-10-23 | [DIBBS](https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4730012063732&category=nsn) |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4730012063732&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4730012063732
- 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/4730-01-206-3732/
JSON: https://nsnexplorer.com/api/nsn/4730-01-206-3732.json