The Adapter,straight,flange to Tube, cataloged under National Stock Number 4730-00-226-9559, is classified within Federal Supply Class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Skyline Industries, Inc. Government technical data includes 22 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-226-9559 |
| Primary Part Number | 206-063-619-1 |
| Item Name | Adapter,straight,flange to Tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Skyline Industries, Inc |
| Status | ACTIVE |
| Flange Shape | OVAL WITH HOLES SECOND END |
| Flange Face Design | RAISED STRAIGHT SECOND END |
| Connection Style | FLARED (TUBE) FIRST END |
| Nominal Length | 2.420 INCHES SECOND END IN |
| Bolt Circle Nominal Diameter | 1.800 INCHES SECOND END IN |
| Nominal Overall Length | 1.600 INCHES IN |
| Connection Type | FLANGE SECOND END |
| Connection Type | THREADED EXTERNAL TUBE FIRST END |
| Material Document and Classification | QQ-A-225/6,T351 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Bolt Hole Nominal Diameter | 0.284 INCHES SECOND END IN |
| Nominal Outside Diameter Tube Accommodated | 0.750 INCHES FIRST END IN |
| Nominal Thread Size | 1.062 INCHES FIRST END IN |
| Seat Angle | 37.0 DEGREES FIRST END |
| Bolt Hole Quantity | 2 SECOND END |
| Nominal Width | 1.500 INCHES SECOND END IN |
| Thread Class | 3A FIRST END A |
| Thread Quantity Per Inch | 12 FIRST END |
| Material | ALUMINUM ALLOY OVERALL |
| Thread Series Designator | UN FIRST END |
| Raised Face Nominal Diameter | 0.945 INCHES SECOND END IN |
| Raised Face Nominal Height | 0.400 INCHES SECOND END IN |
| Nominal Thickness | 0.180 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 |
| Part Number | Manufacturer |
|---|---|
| 206-063-619-1 | Skyline Industries, Inc (USA) |
| Reference | Meaning |
|---|---|
| 206-063-619-001 | 3/2 Design control — primary reference U.S. Government activity |
| 206-063-619-1 | 5/9 Secondary reference U.S. Government activity |
NSN 4730-00-226-9559 is a Adapter,straight,flange to Tube, manufactured by Skyline Industries, Inc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-226-9559 has 1 manufacturer part number on file: 206-063-619-1 (Skyline Industries, Inc).
Key specifications for 206-063-619-1: Flange Shape: OVAL WITH HOLES SECOND END; Flange Face Design: RAISED STRAIGHT SECOND END; Connection Style: FLARED (TUBE) FIRST END; Nominal Length: 2.420 INCHES SECOND END IN. 22 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.