The Elbow,flange to Tube, cataloged under National Stock Number 4730-00-646-6149, 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 Us Army Aviation and Missile Command. Government technical data includes 19 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-646-6149 |
| Primary Part Number | 9078834 |
| Item Name | Elbow,flange to Tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Us Army Aviation and Missile Command |
| Status | ACTIVE |
| Flange Shape | ROUND WITH HOLES FIRST END |
| Flow Angle | 45.0 DEGREES |
| Flange Face Design | PLAIN FIRST END |
| Connection Style | BEVELED (TUBE) SECOND END |
| Bolt Circle Nominal Diameter | 1.875 INCHES FIRST END IN |
| Tubing Wall Nominal Thickness for Which Designed | 0.125 INCHES SECOND END IN |
| Connection Type | FLANGE FIRST END |
| Connection Type | BUTT WELD TUBE SECOND END |
| Bolt Hole Nominal Diameter | 0.172 INCHES FIRST END IN |
| Nominal Outside Diameter Tube Accommodated | 1.125 INCHES SECOND END IN |
| Leg Length | 0.750 INCHES MINIMUM AND 0.812 INCHES MAXIMUM FIRST END IN |
| Leg Length | 1.125 INCHES MINIMUM AND 1.250 INCHES MAXIMUM SECOND END IN |
| Reduced Passage Nominal Inside Diameter | 1.250 INCHES FIRST END IN |
| Reduced Passage Nominal Inside Diameter | 0.875 INCHES SECOND END IN |
| Nominal Outside Diameter | 2.250 INCHES FIRST END IN |
| Bolt Hole Quantity | 3 FIRST END |
| Media for Which Designed | FLUID SINGLE RESPONSE |
| Material | PLASTIC OVERALL |
| Nominal Thickness | 0.188 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 |
| Part Number | Manufacturer |
|---|---|
| 9078834 PRIMARY | Us Army Aviation and Missile Command (USA) |
NSN 4730-00-646-6149 is a Elbow,flange to Tube, manufactured by Us Army Aviation and Missile Command, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-646-6149 has 1 manufacturer part number on file: 9078834 (Us Army Aviation and Missile Command).
Key specifications for 9078834: Flange Shape: ROUND WITH HOLES FIRST END; Flow Angle: 45.0 DEGREES; Flange Face Design: PLAIN FIRST END; Connection Style: BEVELED (TUBE) SECOND END. 19 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.