The Adapter,straight,tube to Hose, cataloged under National Stock Number 4730-01-446-3299, 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 14 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4730-01-446-3299 |
| Item Name | Adapter,straight,tube to Hose |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| Connection Style | GRIPPING NIPPLE (NOSE) SECOND END |
| Connection Style | SWIVEL NUT INVERTED FLARE (TUBE) FIRST END |
| Nominal Inside Diameter Hose Accommodated | 0.250 INCHES SECOND END IN |
| Nominal Outside Diameter Hose Accommodated | 0.590 INCHES SECOND END IN |
| Nominal Overall Length | 2.380 INCHES IN |
| Connection Type | THREADED EXTERNAL HOSE GRIPPING SECOND END |
| Connection Type | THREADED EXTERNAL TUBE FIRST END |
| Nominal Outside Diameter Tube Accommodated | 0.250 INCHES FIRST END IN |
| Nominal Thread Size | 0.438 INCHES FIRST END IN |
| Seat Angle | 37.0 DEGREES SECOND END |
| Thread Class | 2A FIRST END A |
| Thread Quantity Per Inch | 24 ALL ENDS |
| Material | STEEL OVERALL |
| Thread Series Designator | UNS FIRST END |
| 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 |
|---|---|
| 27587-4-4S | 5/9 Secondary reference U.S. Government activity |
| 22821-4-4 | 3/2 Design control — primary reference U.S. Government activity |
| 22821-4-4 | 5/9 Secondary reference U.S. Government activity |
NSN 4730-01-446-3299 is a Adapter,straight,tube to Hose, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
Key specifications for 4730-01-446-3299: Connection Style: GRIPPING NIPPLE (NOSE) SECOND END; Connection Style: SWIVEL NUT INVERTED FLARE (TUBE) FIRST END; Nominal Inside Diameter Hose Accommodated: 0.250 INCHES SECOND END IN; Nominal Outside Diameter Hose Accommodated: 0.590 INCHES SECOND END IN. 14 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.