The Elbow,flange, cataloged under National Stock Number 4730-00-076-9840, 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 Transdigm Inc Div Adelwiggins Group. Government technical data includes 23 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 | 4730-00-076-9840 |
| Primary Part Number | 3655G25B40 |
| Item Name | Elbow,flange |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Transdigm Inc Div Adelwiggins Group |
| Status | ACTIVE |
| Flange Shape | RECTANGULAR WITH HOLES FIRST END |
| Furnished Items and Quantity | 1 SHORT COUPLING NUT AND 2 FLAT WASHER |
| Flow Angle | 90.0 DEGREES |
| Flange Face Design | PLAIN WITH GASKET GROOVE FIRST END |
| Connection Style | PLAIN (TUBE) INLET |
| Connection Style | PLAIN (TUBE) SECOND END |
| Nominal Length | 3.062 INCHES FIRST END IN |
| Inlet Location | RIGHT-HAND SIDE SINGLE INLET |
| Bolt Hole Nominal Diameter | 2.375 INCHES FIRST END IN |
| Nominal Outside Diameter Tube Accommodated | 0.250 INCHES INLET IN |
| Leg Length | 2.875 INCHES NOMINAL SECOND END IN |
| Leg Length | 3.375 INCHES NOMINAL FIRST END IN |
| Leg Length | 3.250 INCHES NOMINAL INLET IN |
| Nominal Thread Size | 3.125 INCHES INLET IN |
| Center to Center Nominal Distance Between Bolt Holes Along Width | 2.344 INCHES FIRST END IN |
| Bolt Hole Quantity | 4 FIRST END |
| Surface Treatment | ANODIZE OVERALL |
| Nominal Width | 3.000 INCHES FIRST END IN |
| Thread Class | 2A INLET A |
| Thread Quantity Per Inch | 12 INLET |
| Material | ALUMINUM OVERALL |
| Thread Series Designator | UN INLET |
| Nominal Thickness | 0.438 INCHES FIRST 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 |
| Part Number | Manufacturer |
|---|---|
| 3655G25B40 PRIMARY | Transdigm Inc Div Adelwiggins Group (USA) |
NSN 4730-00-076-9840 is a Elbow,flange, manufactured by Transdigm Inc Div Adelwiggins Group, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-076-9840 has 1 manufacturer part number on file: 3655G25B40 (Transdigm Inc Div Adelwiggins Group).
Key specifications for 3655G25B40: Flange Shape: RECTANGULAR WITH HOLES FIRST END; Furnished Items and Quantity: 1 SHORT COUPLING NUT AND 2 FLAT WASHER; Flow Angle: 90.0 DEGREES; Flange Face Design: PLAIN WITH GASKET GROOVE FIRST END. 23 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.