The Adapter,straight,flange to Pipe, cataloged under National Stock Number 4730-01-326-8075, 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 15 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4730-01-326-8075 |
| Item Name | Adapter,straight,flange to Pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| Recess Nominal Depth | 0.108 INCHES SECOND END IN |
| Flange Shape | ROUND WITH HOLES SECOND END |
| Nominal Pipe Size Accommodated | 4.000 INCHES FIRST END IN |
| Flange Face Design | RECESSED WITH GASKET GROOVE SECOND END |
| Connection Style | PLAIN (PIPE) FIRST END |
| Bolt Circle Nominal Diameter | 8.140 INCHES SECOND END IN |
| Connection Type | FLANGE SECOND END |
| Connection Type | UNTHREADED EXTERNAL PIPE FIRST END |
| Bolt Hole Nominal Diameter | 0.688 INCHES SECOND END IN |
| Operating Pressure | 700.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Nominal Outside Diameter | 0.108 INCHES SECOND END IN |
| Bolt Hole Quantity | 10 SECOND END |
| Material | COPPER ALLOY OVERALL |
| Nominal Thickness | 1.250 INCHES SECOND END IN |
| Recess Nominal Diameter | 4.875 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 |
|---|---|
| 2621-228-01 | D/9 Drawing number reference only U.S. Government activity |
| 508-4686239 ITEM F13 | 5/2 Secondary reference U.S. Government activity |
| 2621-228-01 PIECE 60 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4730-01-326-8075 is a Adapter,straight,flange to Pipe, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
Key specifications for 4730-01-326-8075: Recess Nominal Depth: 0.108 INCHES SECOND END IN; Flange Shape: ROUND WITH HOLES SECOND END; Nominal Pipe Size Accommodated: 4.000 INCHES FIRST END IN; Flange Face Design: RECESSED WITH GASKET GROOVE SECOND END. 15 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.