# NSN 4730-01-535-6415: Restrictor Unit, Fluid Flow

NSN 4730-01-535-6415 (also written 4730015356415; NIIN 01-535-6415) 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: 4730-01-535-6415 (4730015356415)
- NIIN: 01-535-6415 (015356415)
- 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 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 |
| --- | --- | --- |
| ABMZ | DIAMETER | INCHES NOMINAL 12.210 |
| AGAV | END ITEM IDENTIFICATION | C. O. R. D. |
| APGF | DESIGN TYPE | STRAIGHT |
| AXAL | END CONNECTION SIMILARITY | NOT IDENTICAL |
| CCFG | VALVE SIZE | INCHES 12.000 |
| CRTL | CRITICALITY CODE JUSTIFICATION | FEAT |
| CWRR | FLOW RATE AND FLUID TYPE | GALLONS PER MINUTE WATER 365.0 |
| CXCY | PART NAME ASSIGNED BY CONTROLLING AGENCY | CARTRIDGE MODULE ASSEMBLY |
| FEAT | SPECIAL FEATURES | MILITARY CRITICAL, EXPORT CONTROLLED; PLATES HAVE MULTIPLE .375 INCH HOLES; 4 RETAINERS, 296 SPACERS, 2 TUBES, 1 STUD WITH 2 NUTS, 3 PINS; FOR ASSEMBLY 260 WITH 3INCH NPS CONNECTIONS |
| MATT | MATERIAL | BODY NICKEL ALLOY 400 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | LOCATION NOT OTHERWISE SPECIFIED FED SPEC SINGLE MATERIAL RESPONSE QQ-N-281, CLASS A |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 2633-561-01-263 | 96169 | ELECTRIC BOAT CORPORATION DIV GENERAL DYNAMICS ELECTRIC BOAT | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 801-6640811 ASSY 263 | 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 |
| --- | --- | --- | --- | --- |
| 2026-10-07 | [SPE7M027V0088](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4730015356415) | RESTRICTOR UNIT, FLU | — | $103,445.00 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4730015356415&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4730015356415
- 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/4730-01-535-6415/
JSON: https://nsnexplorer.com/api/nsn/4730-01-535-6415.json
