The Elbow,flange to Tube, cataloged under National Stock Number 4730-01-211-1989, 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 Cummins Inc.. Government technical data includes 20 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4730-01-211-1989 |
| Primary Part Number | 3012527 |
| Item Name | Elbow,flange to Tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Cummins Inc. |
| Status | ACTIVE |
| Flange Shape | OVAL WITH HOLES SECOND END |
| Flow Angle | 90.0 DEGREES |
| Flange Face Design | PLAIN SECOND END |
| Connection Style | PLAIN (TUBE) FIRST END |
| Nominal Length | 3.150 INCHES SECOND END IN |
| Bolt Circle Nominal Diameter | 1.770 INCHES SECOND END IN |
| Connection Type | THREADED EXTERNAL TUBE FIRST END |
| Bolt Hole Nominal Diameter | 0.432 INCHES SECOND END IN |
| Nominal Outside Diameter Tube Accommodated | 1.500 INCHES FIRST END IN |
| Leg Length | 1.410 INCHES NOMINAL SECOND END IN |
| Leg Length | 1.956 INCHES NOMINAL FIRST END IN |
| Nominal Thread Size | 1.875 INCHES FIRST END IN |
| Bolt Hole Quantity | 2 SECOND END |
| Nominal Width | 2.000 INCHES SECOND END IN |
| Media for Which Designed | OIL SINGLE RESPONSE |
| Thread Class | 2A FIRST END A |
| Thread Quantity Per Inch | 12 FIRST END |
| Material | ALUMINUM OVERALL |
| Thread Series Designator | UN FIRST END |
| Nominal Thickness | 0.316 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 |
NSN 4730-01-211-1989 is a Elbow,flange to Tube, manufactured by Cummins Inc., classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-211-1989 has 2 manufacturer part numbers on file: 3012527 (Cummins Inc.), 2C6231 (Oshkosh Defense Llc).
Key specifications for 3012527: Flange Shape: OVAL WITH HOLES SECOND END; Flow Angle: 90.0 DEGREES; Flange Face Design: PLAIN SECOND END; Connection Style: PLAIN (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.