The Restrictor Unit,fluid Flow, cataloged under National Stock Number 4730-01-124-2825, 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13 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-124-2825 |
| Item Name | Restrictor Unit,fluid Flow |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| Strainer Type and Quantity | 2 SCREEN |
| Design Type | STRAIGHT |
| Thread Series | UNF LOCATION NOT OTHERWISE SPECIFIED |
| End Connection Type | THREADED FEMALE FIRST CONNECTION |
| End Connection Type | UNTHREADED FEMALE SECOND CONNECTION |
| Material Document and Classification | QQ-S-763, CLASS 303 FED SPEC SINGLE MATERIAL RESPONSE LOCATION NOT OTHERWISE SPECIFIED |
| Diameter | 0.186 INCHES MINIMUM AND 0.187 INCHES MAXIMUM IN |
| Thread Direction | RIGHT-HAND LOCATION NOT OTHERWISE SPECIFIED |
| Thread Size Designator | 0.164-36 LOCATION NOT OTHERWISE SPECIFIED |
| Thread Class | 2B LOCATION NOT OTHERWISE SPECIFIED |
| Material | STEEL CORROSION RESISTING SCREENING |
| Material | STEEL COMP 303 BODY |
| End Connection Similarity | NOT IDENTICAL |
| 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 |
|---|---|
| JETA1875700D | 3/2 Design control — primary reference U.S. Government activity |
NSN 4730-01-124-2825 is a Restrictor Unit,fluid Flow, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
Key specifications for 4730-01-124-2825: Strainer Type and Quantity: 2 SCREEN; Design Type: STRAIGHT; Thread Series: UNF LOCATION NOT OTHERWISE SPECIFIED; End Connection Type: THREADED FEMALE FIRST CONNECTION. 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.