The Flange,pipe, cataloged under National Stock Number 4730-01-142-4156, 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 14 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-142-4156 |
| Primary Part Number | 5570-150 |
| 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 | 4.625 INCHES NOMINAL IN |
| Face Seating Surface Condition | SERRATED |
| Nominal Pipe Size for Which Designed | 0.750 INCHES IN |
| Maximum Operating Temp and Media for Which Designed | 450.0 FAHRENHEIT STEAM AND 150.0 FAHRENHEIT GAS DEGF |
| Operating Pressure and Type | 300.0 POUNDS PER SQUARE INCH (PSI) STEAM MAXIMUM REQUIRED AND 500.0 POUNDS PER SQUARE INCH (PSI) GAS MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS |
| Flange Section Style | PLAIN FACE, BRAZING NECK |
| Style Designator | ROUND, ONE BOLT HOLE CIRCLE |
| Bolt Hole Diameter | 0.750 INCHES NOMINAL IN |
| Neck Height | 0.875 INCHES NOMINAL IN |
| Material Document and Classification | QQ-C-390,ALLOY D5 FED SPEC SINGLE MATERIAL RESPONSE |
| Bolt Hole Quantity | 4 |
| Bolt Circle Diameter | 3.250 INCHES NOMINAL IN |
| Material | COPPER ALLOY |
| Thickness | 0.531 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 |
|---|---|
| 5570-150 PRIMARY | Flagg Stanley G & Co Inc Dba Flagg Brass (USA) |
| Reference | Meaning |
|---|---|
| 00699067628816 | 5/1 Secondary reference Flagg Stanley G & Co Inc Dba Flagg Brass |
NSN 4730-01-142-4156 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 4730-01-142-4156 has 1 manufacturer part number on file: 5570-150 (Flagg Stanley G & Co Inc Dba Flagg Brass).
Key specifications for 5570-150: Flange Diameter: 4.625 INCHES NOMINAL IN; Face Seating Surface Condition: SERRATED; Nominal Pipe Size for Which Designed: 0.750 INCHES IN; Maximum Operating Temp and Media for Which Designed: 450.0 FAHRENHEIT STEAM AND 150.0 FAHRENHEIT GAS DEGF. 14 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.