The Flange,pipe, cataloged under National Stock Number 4730-01-463-9431, 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 Flagg Stanley G & Co Inc Dba Flagg Brass. Government technical data includes 16 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-463-9431 |
| Primary Part Number | 5175-300 |
| Item Name | Flange,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Flagg Stanley G & Co Inc Dba Flagg Brass |
| Status | ACTIVE |
| Flange Diameter | 5.062 INCHES NOMINAL IN |
| Face Seating Surface Condition | GROUND |
| Nominal Pipe Size for Which Designed | 1.000 INCHES IN |
| Maximum Operating Temp and Media for Which Designed | 150.0 FAHRENHEIT GAS AND 425.0 FAHRENHEIT STEAM DEGF |
| Precious Material | SILVER |
| Operating Pressure and Type | 150.0 POUNDS PER SQUARE INCH (PSI) GAS MAXIMUM REQUIRED AND 100.0 POUNDS PER SQUARE INCH (PSI) STEAM MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS |
| Flange Section Style | PLAIN FACE WITH "O" RING |
| Style Designator | ROUND, ONE BOLT HOLE CIRCLE |
| Bolt Hole Diameter | 0.562 INCHES NOMINAL IN |
| Neck Height | 1.125 INCHES NOMINAL IN |
| Features Provided | INSIDE DIAMETER SILVER PLATED |
| Bolt Hole Quantity | 6 |
| Bolt Circle Diameter | 3.938 INCHES NOMINAL IN |
| Precious Material and Location | RING SURFACE SILVER |
| Material | COPPER ALLOY |
| Thickness | 0.438 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 |
|---|---|
| 5175-300 PRIMARY | Flagg Stanley G & Co Inc Dba Flagg Brass (USA) |
NSN 4730-01-463-9431 is a Flange,pipe, manufactured by Flagg Stanley G & Co Inc Dba Flagg Brass, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-463-9431 has 1 manufacturer part number on file: 5175-300 (Flagg Stanley G & Co Inc Dba Flagg Brass).
Key specifications for 5175-300: Flange Diameter: 5.062 INCHES NOMINAL IN; Face Seating Surface Condition: GROUND; Nominal Pipe Size for Which Designed: 1.000 INCHES IN; Maximum Operating Temp and Media for Which Designed: 150.0 FAHRENHEIT GAS AND 425.0 FAHRENHEIT STEAM DEGF. 16 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.