The Flange,pipe, cataloged under National Stock Number 4730-01-066-4972, 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 Giuliante Machine Tool Inc. Dba Giuliante Machine Tool Inc. Government technical data includes 5 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 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-066-4972 |
| Primary Part Number | 147704 |
| Item Name | Flange,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Giuliante Machine Tool Inc. Dba Giuliante Machine Tool Inc |
| Status | ACTIVE |
| Flange Diameter | 3.812 INCHES NOMINAL IN |
| Nominal Thread Size | 0.750 INCHES IN |
| Bolt Circle Diameter | 1.438 INCHES NOMINAL IN |
| Screw Thread Series Designator | NPT |
| Material | STEEL CORROSION RESISTING |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 4730-01-066-4972 is a Flange,pipe, manufactured by Giuliante Machine Tool Inc. Dba Giuliante Machine Tool Inc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-066-4972 has 2 manufacturer part numbers on file: 147704 (Giuliante Machine Tool Inc. Dba Giuliante Machine Tool Inc), 147704 (Northrop Grumman Systems Corporation).
1 possible match (shared part number, not a government interchangeability claim): 6625-01-507-0185. Verify interchangeability with system specifications before substitution.
Key specifications for 147704: Flange Diameter: 3.812 INCHES NOMINAL IN; Nominal Thread Size: 0.750 INCHES IN; Bolt Circle Diameter: 1.438 INCHES NOMINAL IN; Screw Thread Series Designator: NPT. 5 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 4730-01-066-4972 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.