# NSN 4730-01-171-3784: Restrictor Unit, Fluid Flow

NSN 4730-01-171-3784 (also written 4730011713784; NIIN 01-171-3784) is a restrictor unit, fluid flow in Federal Supply Class 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. 2 manufacturer part numbers from 2 suppliers are on record. It was last purchased in Oct 2026.

## Identification

- NSN: 4730-01-171-3784 (4730011713784)
- NIIN: 01-171-3784 (011713784)
- Item name: RESTRICTOR UNIT,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 C: needs engineering source approval; other sources must qualify first. (observed 2026-10-10)
- Acquisition method code: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| ABHP | OVERALL LENGTH | INCHES NOMINAL 0.560 |
| ABMZ | DIAMETER | INCHES NOMINAL 0.187 |
| AGAV | END ITEM IDENTIFICATION | SHIP, OHIO CLASS SSN (TRIDENT) |
| APGF | DESIGN TYPE | STRAIGHT |
| AXAL | END CONNECTION SIMILARITY | NOT IDENTICAL |
| FEAT | SPECIAL FEATURES | RESTRICTOR IS PRESS FITTED INTO END OF TUBE |
| MATT | MATERIAL | SCREENING STEEL CORROSION RESISTING |
| MATT | MATERIAL | BODY STEEL CORROSION RESISTING |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 1326-158 | 66503 | WOODWARD, INC. DIV FUEL SYSTEMS AND CONTROLS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| JETA1875150D | 92555 | THE LEE CO DBA THE LEE CO | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Price history

Newest first.

| Date | Unit price | Quantity | Supplier | Agency | Source |
| --- | --- | --- | --- | --- | --- |
| 2026-10-01 | $647.77 | 2 | ODONNELL & ASSOCIATES | — | [record](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4730011713784) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-10-01 | [SPE7M427V0062](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4730011713784) | RESTRICTOR UNIT, FLUID FLOW | ODONNELL & ASSOCIATES | $1,295.54 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4730011713784&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4730011713784
- 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/4730-01-171-3784/
JSON: https://nsnexplorer.com/api/nsn/4730-01-171-3784.json