The Elbow,flange, cataloged under National Stock Number 4730-01-019-7236, 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 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 | 4730-01-019-7236 |
| Primary Part Number | 8L9771 |
| 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 |
| Flow Angle | 45.0 DEGREES |
| Flange Face Design | PLAIN ALL ENDS |
| Nominal Length | 7.875 INCHES FIRST END IN |
| Nominal Length | 5.312 INCHES SECOND END IN |
| Connection Type | FLANGE ALL ENDS |
| Bolt Hole Nominal Diameter | 0.375 INCHES ALL ENDS IN |
| Leg Length | 2.875 INCHES MINIMUM AND 3.500 INCHES MAXIMUM SECOND END IN |
| Leg Length | 5.000 INCHES MINIMUM AND 6.156 INCHES MAXIMUM FIRST END IN |
| Center to Center Nominal Distance Between Bolt Holes Along Width | 3.750 INCHES SECOND END IN |
| Bolt Hole Quantity | 4 SECOND END |
| Bolt Hole Quantity | 7 FIRST END |
| Surface Treatment | PAINT OVERALL |
| Nominal Width | 3.750 INCHES SECOND END IN |
| Nominal Width | 7.688 INCHES FIRST END IN |
| Center to Center Nominal Distance Between Bolt Holes Along Length | 4.500 INCHES SECOND END IN |
| Media for Which Designed | FLUID SINGLE RESPONSE |
| Material | STEEL OVERALL |
| Nominal Thickness | 0.500 INCHES ALL ENDS 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 |
|---|---|
| 8L9771 PRIMARY | Caterpillar Inc Div Caterpillar Defense (USA) |
NSN 4730-01-019-7236 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 4730-01-019-7236 has 1 manufacturer part number on file: 8L9771 (Caterpillar Inc Div Caterpillar Defense).
Key specifications for 8L9771: Flange Shape: RECTANGULAR WITH HOLES SECOND END; Flow Angle: 45.0 DEGREES; Flange Face Design: PLAIN ALL ENDS; Nominal Length: 7.875 INCHES FIRST END IN. 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.