# NSN 4730-01-492-2990: Restrictor, Fluid Flow

NSN 4730-01-492-2990 (also written 4730014922990; NIIN 01-492-2990) is a restrictor, fluid flow 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 Oct 2026.

## Identification

- NSN: 4730-01-492-2990 (4730014922990)
- NIIN: 01-492-2990 (014922990)
- Item name: RESTRICTOR,FLUID FLOW
- 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 |
| --- | --- | --- |
| ABRY | LENGTH | INCHES NOMINAL 29.000 |
| AFEW | THREAD PROVISION | FIRST PROVISION UNTHREADED |
| AGAV | END ITEM IDENTIFICATION | CASSCADE ORIFICE(CORD) LOS ANGELES CLASS SSN (688) |
| APGF | DESIGN TYPE | TUBULAR |
| CCFK | HOSE/TUBE SIZE FOR WHICH DESIGNED | 6 INCH OD TUBE |
| FEAT | SPECIAL FEATURES | 700 PSI WP MAX 230 GPM CORD ASSY, HOLDS 25 PLATES, P/N 801-6640811 ASSY 211-25 |
| MATT | MATERIAL | COPPER ALLOY 706 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 2633-561-01 | 53711 | NAVAL SEA SYSTEMS COMMAND | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 2633-561-01 ASSY 211-25 | 96169 | ELECTRIC BOAT CORPORATION DIV GENERAL DYNAMICS ELECTRIC BOAT | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 801-6640811 | 53711 | NAVAL SEA SYSTEMS COMMAND | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 801-6640811 ASSY 211-25 | 53711 | NAVAL SEA SYSTEMS COMMAND | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-10-01 | [SPE7M323P3147](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4730014922990) | RESTRICTOR, FLUID FL | — | $48,778.00 |
| 2026-10-01 | [SPE7M323P3147](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4730014922990) | RESTRICTOR, FLUID FL | — | $48,778.00 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4730014922990&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4730014922990
- 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.

Canonical page: https://nsnexplorer.com/nsn/4730-01-492-2990/
JSON: https://nsnexplorer.com/api/nsn/4730-01-492-2990.json