The Adapter,straight,flange to Pipe, cataloged under National Stock Number 4730-01-252-6127, 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 13 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-252-6127 |
| Item Name | Adapter,straight,flange to Pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| Recess Nominal Depth | 0.100 INCHES SECOND END IN |
| Flange Shape | ROUND SECOND END |
| Flange Face Design | RECESSED STRAIGHT SECOND END |
| Connection Style | PLAIN (PIPE) FIRST END |
| Nominal Overall Length | 2.000 INCHES IN |
| Connection Type | FLANGE SECOND END |
| Connection Type | THREADED EXTERNAL PIPE FIRST END |
| Nominal Thread Size | 1.000 INCHES FIRST END IN |
| Nominal Outside Diameter | 2.156 INCHES SECOND END IN |
| Material | STEEL OVERALL |
| Thread Series Designator | NPT FIRST END |
| Nominal Thickness | 0.125 INCHES SECOND END IN |
| Recess Nominal Diameter | 1.625 INCHES SECOND 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 |
|---|---|
| 99-278-0680 | 3/9 Design control — primary reference Leybold Vacuum Products Inc |
| 000-8006-298 | 5/2 Secondary reference U.S. Government activity |
NSN 4730-01-252-6127 is a Adapter,straight,flange to Pipe, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
Key specifications for 4730-01-252-6127: Recess Nominal Depth: 0.100 INCHES SECOND END IN; Flange Shape: ROUND SECOND END; Flange Face Design: RECESSED STRAIGHT SECOND END; Connection Style: PLAIN (PIPE) FIRST END. 13 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.