The Adapter,straight,flange to Tube, cataloged under National Stock Number 4730-01-375-6306, 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15 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-375-6306 |
| Item Name | Adapter,straight,flange to Tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| Flange Shape | ROUND WITH HOLES FIRST END |
| Flange Face Design | PLAIN FIRST END |
| Surface Treatment Document and Classification | QQ-P-416,TYPE II,CLASS 1 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Connection Style | BEVELED (TUBE) SECOND END |
| Bolt Circle Nominal Diameter | 7.625 INCHES FIRST END IN |
| Nominal Overall Length | 10.000 INCHES IN |
| Connection Type | FLANGE FIRST END |
| Connection Type | BUTT WELD TUBE SECOND END |
| Bolt Hole Nominal Diameter | 0.531 INCHES FIRST END IN |
| Nominal Outside Diameter Tube Accommodated | 6.000 INCHES SECOND END IN |
| Nominal Outside Diameter | 8.620 INCHES FIRST END IN |
| Bolt Hole Quantity | 6 FIRST END |
| Surface Treatment | CADMIUM OVERALL |
| Material | STEEL OVERALL |
| Nominal Thickness | 0.625 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 |
|---|---|
| 9170429 | 3/1 Design control — primary reference U.S. Government activity |
| 9170429-10 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4730-01-375-6306 is a Adapter,straight,flange to Tube, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
Key specifications for 4730-01-375-6306: Flange Shape: ROUND WITH HOLES FIRST END; Flange Face Design: PLAIN FIRST END; Surface Treatment Document and Classification: QQ-P-416,TYPE II,CLASS 1 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Connection Style: BEVELED (TUBE) 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.