The Restrictor,fluid Flow, cataloged under National Stock Number 4730-00-679-1379, 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 Westinghouse Electric Corp. Government technical data includes 6 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-679-1379 |
| Primary Part Number | 31D8953H02 |
| Item Name | Restrictor,fluid Flow |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Westinghouse Electric Corp |
| Status | ACTIVE |
| Length | 0.281 INCHES NOMINAL IN |
| Thread Provision | UNTHREADED LOCATION NOT OTHERWISE SPECIFIED |
| Design Type | TUBULAR |
| Outside Diameter | 0.375 INCHES NOMINAL IN |
| Material | STEEL |
| Orifice Diameter | 0.062 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 |
| Part Number | Manufacturer |
|---|---|
| 31D8953H02 | Westinghouse Electric Corp (USA) |
| 1D8953H02 | Air Logistics Corporation Dba Air Logistics Corp (USA) |
| Reference | Meaning |
|---|---|
| 31D8953H02 | 3/9 Design control — primary reference U.S. Government activity |
NSN 4730-00-679-1379 is a Restrictor,fluid Flow, manufactured by Westinghouse Electric Corp, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-679-1379 has 2 manufacturer part numbers on file: 31D8953H02 (Westinghouse Electric Corp), 1D8953H02 (Air Logistics Corporation Dba Air Logistics Corp).
Key specifications for 31D8953H02: Length: 0.281 INCHES NOMINAL IN; Thread Provision: UNTHREADED LOCATION NOT OTHERWISE SPECIFIED; Design Type: TUBULAR; Outside Diameter: 0.375 INCHES NOMINAL IN. 6 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.