The Adapter,straight,flange to Pipe, cataloged under National Stock Number 4730-01-375-7748, 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 17 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4730-01-375-7748 |
| Item Name | Adapter,straight,flange to Pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| Flange Shape | OVAL WITH HOLES FIRST END |
| Nominal Pipe Size Accommodated | 1.315 INCHES SECOND END IN |
| Flange Face Design | RAISED STRAIGHT FIRST END |
| Connection Style | PLAIN (PIPE) SECOND END |
| Nominal Length | 3.750 INCHES FIRST END IN |
| Bolt Circle Nominal Diameter | 1.312 INCHES FIRST END IN |
| Nominal Overall Length | 9.000 INCHES IN |
| Connection Type | UNTHREADED INTERNAL PIPE SECOND END |
| Connection Type | FLANGE FIRST END |
| Material Document and Classification | MIL-C-15726 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Bolt Hole Nominal Diameter | 0.938 INCHES FIRST END IN |
| Bolt Hole Quantity | 2 FIRST END |
| Nominal Width | 2.500 INCHES FIRST END IN |
| Material | COPPER ALLOY 715 OVERALL |
| Raised Face Nominal Diameter | 1.508 INCHES FIRST END IN |
| Raised Face Nominal Height | 0.750 INCHES FIRST END IN |
| Nominal Thickness | 1.750 INCHES FIRST 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 |
|---|---|
| 71766-23X2 PIECE 28 | 5/2 Secondary reference U.S. Government activity |
| 513-2047861 PIECE 28 | 3/2 Design control — primary reference U.S. Government activity |
| 71766-23X2 | D/9 Drawing number reference only U.S. Government activity |
NSN 4730-01-375-7748 is a Adapter,straight,flange to Pipe, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
Key specifications for 4730-01-375-7748: Flange Shape: OVAL WITH HOLES FIRST END; Nominal Pipe Size Accommodated: 1.315 INCHES SECOND END IN; Flange Face Design: RAISED STRAIGHT FIRST END; Connection Style: PLAIN (PIPE) SECOND END. 17 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.