# NSN 4730-01-031-6612: Restrictor Unit, Fluid Flow

NSN 4730-01-031-6612 (also written 4730010316612; NIIN 01-031-6612) is a restrictor unit, fluid flow in Federal Supply Class 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. 2 manufacturer part numbers from 1 supplier are on record. No purchases are on record yet.

## Identification

- NSN: 4730-01-031-6612 (4730010316612)
- NIIN: 01-031-6612 (010316612)
- 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: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AAJD | THREAD CLASS | 3A |
| AAJF | THREAD DIRECTION | FIRST CONNECTION RIGHT-HAND |
| ABHP | OVERALL LENGTH | INCHES MINIMUM 2.000 AND INCHES MAXIMUM 2.120 |
| ABVK | THREAD SIZE DESIGNATOR | 7/16-20 |
| APGF | DESIGN TYPE | STRAIGHT |
| ASDB | WIDTH ACROSS FLATS | INCHES NOMINAL 0.688 |
| AWZY | END CONNECTION TYPE | FIRST CONNECTION FLARE TUBE |
| AWZY | END CONNECTION TYPE | SECOND CONNECTION THREADED MALE FLARELESS TUBE |
| AXAL | END CONNECTION SIMILARITY | NOT IDENTICAL |
| BZRR | THREAD SERIES | FIRST CONNECTION UNF |
| CCFG | VALVE SIZE | INCHES 0.375 |
| CFPS | END CONNECTION COMPONENT TYPE AND SIZE FOR WHICH DESIGNED | 3/8 IN. OD TUBE |
| CSMD | ANGLE BETWEEN CONNECTIONS | FIRST CONNECTION SEAT DEGREES NOMINAL 37.0 |
| CSMD | ANGLE BETWEEN CONNECTIONS | FIRST CONNECTION DEGREES NOMINAL 37.0 |
| FEAT | SPECIAL FEATURES | SCREENING MATERIAL: STAINLESS STEEL,TYPE 304 |
| MATT | MATERIAL | SCREENING STEEL COMP 304 |
| MATT | MATERIAL | BODY STEEL CORROSION RESISTING |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | SCREENING FED STD SINGLE MATERIAL RESPONSE FED STD 66 OR ASSN STD SINGLE MATERIAL RESPONSE AISI 304 OR ASSN STD SINGLE MATERIAL RESPONSE SAE 30304 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| VDLX0500100A | 92555 | THE LEE CO DBA THE LEE CO | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| VDLX0500100AA | 92555 | THE LEE CO DBA THE LEE CO | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4730010316612&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4730010316612
- 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/4730-01-031-6612/
JSON: https://nsnexplorer.com/api/nsn/4730-01-031-6612.json