The Elbow,flange to Tube, cataloged under National Stock Number 4730-00-894-0420, 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 20 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4730-00-894-0420 |
| Item Name | Elbow,flange to Tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| Flange Shape | RECTANGULAR WITH HOLES SECOND END |
| Flow Angle | 90.0 DEGREES |
| Flange Face Design | RECESSED STRAIGHT SECOND END |
| Connection Style | FLARED (TUBE) FIRST END |
| Connection Type | FLANGE SECOND END |
| Connection Type | THREADED EXTERNAL TUBE FIRST END |
| Material Document and Classification | QQ-A-225/8,0 FED SPEC SINGLE MATERIAL RESPONSE NIPPLE |
| Material Document and Classification | QQ-A-250/11,0 FED SPEC SINGLE MATERIAL RESPONSE FLANGE |
| Material Document and Classification | WW-T-700/6,TYPE 1 FED SPEC SINGLE MATERIAL RESPONSE ELBOW |
| Nominal Outside Diameter Tube Accommodated | 0.625 INCHES FIRST END IN |
| Leg Length | 2.090 INCHES MINIMUM AND 2.150 INCHES MAXIMUM FIRST END IN |
| Leg Length | 2.090 INCHES MINIMUM AND 2.150 INCHES MAXIMUM SECOND END IN |
| Nominal Thread Size | 0.875 INCHES FIRST END IN |
| Seat Angle | 37.0 DEGREES FIRST END |
| Bolt Hole Quantity | 4 SECOND END |
| Thread Class | 3A FIRST END A |
| Material | ALUMINUM ALLOY 6061 ELBOW |
| Material | ALUMINUM ALLOY 6061 NIPPLE |
| Material | ALUMINUM ALLOY 6061 FLANGE |
| Thread Series Designator | UNF 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 |
|---|---|
| 209-060-531-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4730-00-894-0420 is a Elbow,flange to Tube, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
Key specifications for 4730-00-894-0420: Flange Shape: RECTANGULAR WITH HOLES SECOND END; Flow Angle: 90.0 DEGREES; Flange Face Design: RECESSED STRAIGHT SECOND END; Connection Style: FLARED (TUBE) FIRST END. 20 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.