The Restrictor,fluid Flow, cataloged under National Stock Number 4730-01-174-5793, is classified within Federal Supply Class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings) of the Pipe, Tubing, Hose, and Fittings group. Government technical data includes 15 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-174-5793 |
| Item Name | Restrictor,fluid Flow |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| Length | 1.676 INCHES NOMINAL IN |
| Thread Provision | THREADED LOCATION NOT OTHERWISE SPECIFIED |
| Design Type | PLATE |
| Thread Series | UNF LOCATION NOT OTHERWISE SPECIFIED |
| Thread Length | 0.312 INCHES NOMINAL FIRST PROVISION IN |
| Thread Length | 0.375 INCHES NOMINAL SECOND PROVISION IN |
| Outside Diameter | 0.124 INCHES MINIMUM AND 0.245 INCHES MAXIMUM IN |
| Thread Direction | RIGHT-HAND LOCATION NOT OTHERWISE SPECIFIED |
| Thread Size Designator | 3/8-24 SECOND PROVISION |
| Thread Size Designator | 5/16-24 FIRST PROVISION |
| Surface Treatment | PASSIVATE |
| Thread Class | 3A FIRST PROVISION A |
| Thread Class | 2A SECOND PROVISION A |
| Material | STEEL CORROSION RESISTING |
| Orifice Diameter | 0.040 INCHES MINIMUM AND 0.062 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 63AS1332 | 5/2 Secondary reference U.S. Government activity |
| 639AS1332 | 5/9 Secondary reference Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
| 639AS1332 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4730-01-174-5793 is a Restrictor,fluid Flow, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
Key specifications for 4730-01-174-5793: Length: 1.676 INCHES NOMINAL IN; Thread Provision: THREADED LOCATION NOT OTHERWISE SPECIFIED; Design Type: PLATE; Thread Series: UNF LOCATION NOT OTHERWISE SPECIFIED. 15 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.
NSN 4730-01-174-5793 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.