The Elbow,tube, cataloged under National Stock Number 4730-00-289-1276, 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 11 specifications, cited from the U.S. Government catalog. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-289-1276 |
| Item Name | Elbow,tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| Flow Angle | 90.0 DEGREES |
| Connection Style | CRIMPED (TUBE) SECOND END |
| Connection Style | CRIMPED (TUBE) FIRST END |
| Tubing Wall Nominal Thickness for Which Designed | 0.045 INCHES SECOND END IN |
| Connection Type | UNTHREADED INTERNAL TUBE FIRST END |
| Connection Type | UNTHREADED INTERNAL TUBE SECOND END |
| Nominal Outside Diameter Tube Accommodated | 1.625 INCHES FIRST END IN |
| Nominal Outside Diameter Tube Accommodated | 0.875 INCHES SECOND END IN |
| Leg Length | 1.688 INCHES NOMINAL FIRST END IN |
| Leg Length | 1.750 INCHES NOMINAL SECOND END IN |
| Material | COPPER 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 |
|---|---|
| B16-22 | 5/9 Secondary reference Kennecott Corp Chase Extrusions Div |
| B16-22 | 3/1 Design control — primary reference U.S. Government activity |
| B16-22 | 5/9 Secondary reference Mueller Brass Co. |
| B16-22 | 5/9 Secondary reference Nibco Inc |
| B16-22 | 5/9 Secondary reference Mindeco Corp |
NSN 4730-00-289-1276 is a Elbow,tube, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
Key specifications for 4730-00-289-1276: Flow Angle: 90.0 DEGREES; Connection Style: CRIMPED (TUBE) SECOND END; Connection Style: CRIMPED (TUBE) FIRST END; Tubing Wall Nominal Thickness for Which Designed: 0.045 INCHES SECOND END IN. 11 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.