The Flange,pipe, cataloged under National Stock Number 4730-01-627-2939, 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 14 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-627-2939 |
| Item Name | Flange,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| Socket Diameter | 0.500 INCHES NOMINAL IN |
| Flange Diameter | 3.563 INCHES NOMINAL IN |
| Face Seating Surface Condition | MACHINED |
| Maximum Operating Temp and Media for Which Designed | 425.0 FAHRENHEIT WATER AND 425.0 FAHRENHEIT OIL AND 425.0 FAHRENHEIT GAS AND 425.0 FAHRENHEIT STEAM DEGF |
| Flange Section Style | PLAIN FACE, SOCKET BRAZING NECK |
| Style Designator | ROUND, ONE BOLT HOLE CIRCLE |
| Bolt Hole Diameter | 0.563 INCHES NOMINAL IN |
| Neck Height | 0.375 INCHES MINIMUM IN |
| Material Document and Classification | ASTM B61 ASSN STD SINGLE MATERIAL RESPONSE |
| Bolt Hole Quantity | 3 |
| Bolt Circle Diameter | 2.440 INCHES NOMINAL IN |
| Bore Diameter | 0.710 INCHES NOMINAL IN |
| Material | COPPER ALLOY |
| Thickness | 0.375 INCHES MINIMUM IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| MIL-PRF-20042 | 4/1 Identification reference U.S. Government activity |
| MIL-PRF-20042,TY PR,CL 150,1/2IN | 5/9 Secondary reference U.S. Government activity |
| M20042-PR150-0050 | 2/2 Government specification standardization U.S. Government activity |
NSN 4730-01-627-2939 is a Flange,pipe, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
Key specifications for 4730-01-627-2939: Socket Diameter: 0.500 INCHES NOMINAL IN; Flange Diameter: 3.563 INCHES NOMINAL IN; Face Seating Surface Condition: MACHINED; Maximum Operating Temp and Media for Which Designed: 425.0 FAHRENHEIT WATER AND 425.0 FAHRENHEIT OIL AND 425.0 FAHRENHEIT GAS AND 425.0 FAHRENHEIT STEAM 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.