The Restrictor,fluid Flow, cataloged under National Stock Number 4730-01-228-5078, is classified within Federal Supply Class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 13 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-228-5078 |
| Primary Part Number | 2697785-8 |
| Item Name | Restrictor,fluid Flow |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Length | 0.188 INCHES NOMINAL IN |
| Thread Provision | THREADED ALL PROVISIONS |
| Design Type | TUBULAR |
| Thread Series | UNIFIED NATIONAL COARSE (UNC) ALL PROVISIONS |
| Thread Length | 0.188 INCHES NOMINAL ALL PROVISIONS IN |
| Supplementary Features | MADE FROM SETSCREW,FF-S-200,TYPE 1,STYLE 4,SIZE 8-32 UNC 3A A |
| Outside Diameter | 0.188 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND ALL PROVISIONS |
| Thread Size Designator | 0.164-32 ALL PROVISIONS |
| Surface Treatment | CHROMATE ZINC |
| Thread Class | 3A ALL PROVISIONS A |
| Material | STEEL |
| Orifice Diameter | 0.067 INCHES MINIMUM AND 0.068 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 2697785-8 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| 2697785 PIECE 8 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| 2697785 PIECE 8 | Bae Systems Land & Armaments L.p. (USA) |
NSN 4730-01-228-5078 is a Restrictor,fluid Flow, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-228-5078 has 3 manufacturer part numbers on file: 2697785-8 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 2697785 PIECE 8 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 2697785 PIECE 8 (Bae Systems Land & Armaments L.p.).
Key specifications for 2697785-8: Length: 0.188 INCHES NOMINAL IN; Thread Provision: THREADED ALL PROVISIONS; Design Type: TUBULAR; Thread Series: UNIFIED NATIONAL COARSE (UNC) ALL PROVISIONS. 13 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.