The Adapter,straight,flange to Tube, cataloged under National Stock Number 4730-00-239-7908, 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 18 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4730-00-239-7908 |
| Item Name | Adapter,straight,flange to Tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| Flange Shape | OCTAGON WITH HOLES SECOND END |
| Flange Shape | ROUND WITH HOLES CENTER BULKHEAD |
| Flange Face Design | PLAIN SECOND END |
| Flange Face Design | PLAIN CENTER BULKHEAD |
| Connection Style | PLAIN (TUBE) FIRST END |
| Bolt Circle Nominal Diameter | 5.544 INCHES SECOND END IN |
| Bolt Circle Nominal Diameter | 6.620 INCHES CENTER BULKHEAD IN |
| Nominal Overall Length | 5.280 INCHES IN |
| Connection Type | FLANGE SECOND END |
| Connection Type | THREADED EXTERNAL TUBE FIRST END |
| Connection Type | FLANGE CENTER BULKHEAD |
| Bolt Hole Nominal Diameter | 0.250 INCHES SECOND END IN |
| Bolt Hole Nominal Diameter | 0.201 INCHES CENTER BULKHEAD IN |
| Bolt Hole Quantity | 8 SECOND END |
| Bolt Hole Quantity | 4 CENTER BULKHEAD |
| Surface Treatment | ANODIZE OUTSIDE |
| Material | ALUMINUM ALLOY OVERALL |
| Nominal Thickness | 0.250 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 |
|---|---|
| 1206097-101 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4730-00-239-7908 is a Adapter,straight,flange to Tube, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
Key specifications for 4730-00-239-7908: Flange Shape: OCTAGON WITH HOLES SECOND END; Flange Shape: ROUND WITH HOLES CENTER BULKHEAD; Flange Face Design: PLAIN SECOND END; Flange Face Design: PLAIN CENTER BULKHEAD. 18 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.