The Elbow,flange, cataloged under National Stock Number 4730-00-232-5424, 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 Caterpillar Inc Div Caterpillar Defense. Government technical data includes 15 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 | 4730-00-232-5424 |
| Primary Part Number | 3R2590 |
| Item Name | Elbow,flange |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Caterpillar Inc Div Caterpillar Defense |
| Status | ACTIVE |
| Flange Shape | RECTANGULAR WITH HOLES SECOND END |
| Flange Shape | RECTANGULAR WITH HOLES FIRST END |
| Flow Angle | 90.0 DEGREES |
| Flange Face Design | PLAIN ALL ENDS |
| Connection Type | FLANGE SECOND END |
| Connection Type | FLANGE FIRST END |
| Bolt Hole Nominal Diameter | 0.469 INCHES SECOND END IN |
| Bolt Hole Nominal Diameter | 0.422 INCHES FIRST END IN |
| Center to Center Nominal Distance Between Bolt Holes Along Width | 1.188 INCHES SECOND END IN |
| Center to Center Nominal Distance Between Bolt Holes Along Width | 1.406 INCHES FIRST END IN |
| Bolt Hole Quantity | 4 SECOND END |
| Bolt Hole Quantity | 4 FIRST END |
| Center to Center Nominal Distance Between Bolt Holes Along Length | 2.750 INCHES FIRST END IN |
| Center to Center Nominal Distance Between Bolt Holes Along Length | 2.312 INCHES SECOND END IN |
| Material | IRON CAST OVERALL |
| 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 |
|---|---|
| 3R2590 PRIMARY | Caterpillar Inc Div Caterpillar Defense (USA) |
NSN 4730-00-232-5424 is a Elbow,flange, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-232-5424 has 1 manufacturer part number on file: 3R2590 (Caterpillar Inc Div Caterpillar Defense).
Key specifications for 3R2590: Flange Shape: RECTANGULAR WITH HOLES SECOND END; Flange Shape: RECTANGULAR WITH HOLES FIRST END; Flow Angle: 90.0 DEGREES; Flange Face Design: PLAIN ALL ENDS. 15 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.