The Elbow,flange to Hose, cataloged under National Stock Number 4730-01-346-9740, 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 Gates Corporation. Government technical data includes 12 specifications, cited from the U.S. Government catalog. The record lists 3 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4730-01-346-9740 |
| Primary Part Number | 20C4-20FL90 |
| Item Name | Elbow,flange to Hose |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Gates Corporation |
| Status | ACTIVE |
| Flange Shape | ROUND FIRST END |
| Flow Angle | 90.0 DEGREES |
| Flange Face Design | PLAIN WITH GASKET GROOVE FIRST END |
| Connection Style | BARBED OR BEADED (HOSE) SECOND END |
| Nominal Inside Diameter Hose Accommodated | 1.250 INCHES SECOND END IN |
| Connection Type | UNTHREADED EXTERNAL HOSE SECOND END |
| Connection Type | FLANGE FIRST END |
| Leg Length | 2.620 INCHES NOMINAL FIRST END IN |
| Leg Length | 4.410 INCHES NOMINAL SECOND END IN |
| Nominal Outside Diameter | 2.000 INCHES SECOND END IN |
| Material | STEEL OVERALL |
| Nominal Thickness | 0.315 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 |
|---|---|
| 20C4-20FL90 PRIMARY | Gates Corporation (USA) |
| 186109-20-20S PRIMARY | Danfoss Power Solutions II, Llc (USA) |
| 7305-7494-5 | Gates Corporation (USA) |
| Reference | Meaning |
|---|---|
| 74001441 | 5/9 Secondary reference Maxon Industries, Inc. |
| 1988-20-20 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4730-01-346-9740 is a Elbow,flange to Hose, manufactured by Gates Corporation, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-346-9740 has 3 manufacturer part numbers on file: 20C4-20FL90 (Gates Corporation), 186109-20-20S (Danfoss Power Solutions II, Llc), 7305-7494-5 (Gates Corporation).
Key specifications for 20C4-20FL90: Flange Shape: ROUND FIRST END; Flow Angle: 90.0 DEGREES; Flange Face Design: PLAIN WITH GASKET GROOVE FIRST END; Connection Style: BARBED OR BEADED (HOSE) SECOND END. 12 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.