The Restrictor Unit,fluid Flow, cataloged under National Stock Number 4730-00-856-1002, 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15 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-856-1002 |
| Item Name | Restrictor Unit,fluid Flow |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| FSC Application Data | PNEUMATIC SYSTEM,LOW PRESSURE. F-102 AIRCRAFT |
| Pressure Rating | 1500.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS |
| Width Across Flats | 0.880 INCHES NOMINAL IN |
| Strainer Type and Quantity | 2 FILTER |
| End Connection Component Type and Size for Which Designed | 1/4 IN. OD TUBE IN |
| Design Type | STRAIGHT |
| Thread Series | UNF LOCATION NOT OTHERWISE SPECIFIED |
| End Connection Type | THREADED MALE LOCATION NOT OTHERWISE SPECIFIED |
| Thread Size Designator | 7/16-20 LOCATION NOT OTHERWISE SPECIFIED |
| Operating Temp Range | -65.0 TO 250.0 FAHRENHEIT DEGF |
| Thread Class | 3A LOCATION NOT OTHERWISE SPECIFIED A |
| Material | COPPER ALLOY FILTER |
| Material | ALUMINUM ALLOY BODY |
| Orifice Diameter | 0.015 INCHES NOMINAL IN |
| End Connection Similarity | IDENTICAL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 1906A | 3/9 Design control — primary reference Sargent Industries Inc |
NSN 4730-00-856-1002 is a Restrictor Unit,fluid Flow, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
Key specifications for 4730-00-856-1002: FSC Application Data: PNEUMATIC SYSTEM,LOW PRESSURE. F-102 AIRCRAFT; Pressure Rating: 1500.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS; Width Across Flats: 0.880 INCHES NOMINAL IN; Strainer Type and Quantity: 2 FILTER. 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 4730-00-856-1002 has DEMIL Code B. 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.