The Adapter,straight,flange to Pipe, cataloged under National Stock Number 4730-01-303-2942, 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 19 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-303-2942 |
| Item Name | Adapter,straight,flange to Pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| Flange Shape | ROUND WITH HOLES THIRD END |
| Flange Face Design | RAISED WITH CURVE AND COUNTERBORE THIRD END |
| Connection Style | SOCKET (TUBE) FIRST END |
| Connection Style | PLAIN (PIPE) SECOND END |
| Bolt Circle Nominal Diameter | 2.246 INCHES THIRD END IN |
| Tubing Wall Nominal Thickness for Which Designed | 0.153 INCHES FIRST END IN |
| Connection Type | UNTHREADED INTERNAL TUBE FIRST END |
| Connection Type | THREADED INTERNAL PIPE SECOND END |
| Connection Type | FLANGE THIRD END |
| Bolt Hole Nominal Diameter | 0.216 INCHES THIRD END IN |
| Nominal Outside Diameter Tube Accommodated | 0.989 INCHES FIRST END IN |
| Nominal Thread Size | 0.689 INCHES SECOND END IN |
| Nominal Outside Diameter | 1.681 INCHES THIRD END IN |
| Bolt Hole Quantity | 2 THIRD END |
| Thread Class | 2A SECOND END A |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) SECOND END |
| Raised Face Nominal Diameter | 1.681 INCHES THIRD END IN |
| Raised Face Nominal Height | 0.413 INCHES THIRD END IN |
| Nominal Thickness | 0.211 INCHES THIRD END 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 |
|---|---|
| 3002280-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4730-01-303-2942 is a Adapter,straight,flange to Pipe, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
Key specifications for 4730-01-303-2942: Flange Shape: ROUND WITH HOLES THIRD END; Flange Face Design: RAISED WITH CURVE AND COUNTERBORE THIRD END; Connection Style: SOCKET (TUBE) FIRST END; Connection Style: PLAIN (PIPE) SECOND END. 19 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.