The Restrictor,fluid Flow, cataloged under National Stock Number 4730-00-133-3300, 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 13 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-133-3300 |
| Item Name | Restrictor,fluid Flow |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| Length | 1.958 INCHES NOMINAL IN |
| Thread Provision | THREADED LOCATION NOT OTHERWISE SPECIFIED |
| Design Type | TUBULAR, HEX SHAPE |
| Thread Series | UNF LOCATION NOT OTHERWISE SPECIFIED |
| Thread Length | 0.520 INCHES NOMINAL SECOND PROVISION IN |
| Thread Length | 0.646 INCHES NOMINAL FIRST PROVISION IN |
| Hose/tube Size for Which Designed | 3/8 IN. OD TUBE IN |
| Outside Diameter | 1.290 INCHES NOMINAL IN |
| Thread Size Designator | 5/8-18 LOCATION NOT OTHERWISE SPECIFIED |
| Thread Class | 2A FIRST PROVISION A |
| Thread Class | 2B SECOND PROVISION |
| Material | STEEL |
| Orifice Diameter | 0.063 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| C-2295PC7 | 3/2 Design control — primary reference U.S. Government activity |
| 2295PC7 | 3/9 Design control — primary reference U.S. Government activity |
NSN 4730-00-133-3300 is a Restrictor,fluid Flow, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
Key specifications for 4730-00-133-3300: Length: 1.958 INCHES NOMINAL IN; Thread Provision: THREADED LOCATION NOT OTHERWISE SPECIFIED; Design Type: TUBULAR, HEX SHAPE; Thread Series: UNF LOCATION NOT OTHERWISE SPECIFIED. 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.