The Adapter,straight,tube to Boss, cataloged under National Stock Number 4730-00-239-7905, 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13 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-239-7905 |
| Item Name | Adapter,straight,tube to Boss |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| Flange Shape | ROUND WITH HOLES CENTER BULKHEAD |
| Flange Face Design | PLAIN CENTER BULKHEAD |
| Connection Style | GASKET SEAL (BOSS) SECOND END |
| Connection Style | SHOULDERED (GASKET) (TUBE) FIRST END |
| Bolt Circle Nominal Diameter | 6.160 INCHES CENTER BULKHEAD IN |
| Nominal Overall Length | 7.030 INCHES IN |
| Connection Type | UNTHREADED EXTERNAL TUBE FIRST END |
| Connection Type | THREADED INTERNAL BOSS SECOND END |
| Connection Type | FLANGE FIRST END BULKHEAD |
| Bolt Hole Nominal Diameter | 0.201 INCHES CENTER BULKHEAD IN |
| Bolt Hole Quantity | 4 CENTER BULKHEAD |
| Surface Treatment | ANODIZE OVERALL |
| Material | ALUMINUM ALLOY OVERALL |
| 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 |
|---|---|
| 1206096-101 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4730-00-239-7905 is a Adapter,straight,tube to Boss, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
Key specifications for 4730-00-239-7905: Flange Shape: ROUND WITH HOLES CENTER BULKHEAD; Flange Face Design: PLAIN CENTER BULKHEAD; Connection Style: GASKET SEAL (BOSS) SECOND END; Connection Style: SHOULDERED (GASKET) (TUBE) 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.