The Elbow,flange to Hose, cataloged under National Stock Number 4730-01-052-0370, 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 Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution. Government technical data includes 19 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-052-0370 |
| Primary Part Number | 880590-16D |
| Item Name | Elbow,flange to Hose |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution |
| Status | ACTIVE |
| Flange Shape | RECTANGULAR WITH HOLES FIRST END |
| Flow Angle | 45.0 DEGREES |
| Flange Face Design | PLAIN SWIVEL WITH GASKET GROOVE FIRST END |
| Connection Style | GRIPPING NIPPLE (NOSE) SECOND END |
| Nominal Length | 1.750 INCHES FIRST END IN |
| Nominal Inside Diameter Hose Accommodated | 0.875 INCHES SECOND END IN |
| Nominal Outside Diameter Hose Accommodated | 1.000 INCHES SECOND END IN |
| Connection Type | THREADED EXTERNAL HOSE GRIPPING SECOND END |
| Connection Type | FLANGE FIRST END |
| Bolt Hole Nominal Diameter | 0.219 INCHES FIRST END IN |
| Leg Length | 0.812 INCHES NOMINAL FIRST END IN |
| Leg Length | 2.125 INCHES NOMINAL SECOND END IN |
| Center to Center Nominal Distance Between Bolt Holes Along Width | 1.312 INCHES FIRST END IN |
| Bolt Hole Quantity | 4 FIRST END |
| Surface Treatment | ANODIZE OVERALL |
| Nominal Width | 1.750 INCHES FIRST END IN |
| Center to Center Nominal Distance Between Bolt Holes Along Length | 1.312 INCHES FIRST END IN |
| Material | ALUMINUM OVERALL |
| Nominal Thickness | 0.281 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 |
|---|---|
| GF503CT16D | Northrop Grumman Systems Corporation (USA) |
| 880590-16D PRIMARY | Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution (USA) |
NSN 4730-01-052-0370 is a Elbow,flange to Hose, manufactured by Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-052-0370 has 2 manufacturer part numbers on file: GF503CT16D (Northrop Grumman Systems Corporation), 880590-16D (Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution).
Key specifications for 880590-16D: Flange Shape: RECTANGULAR WITH HOLES FIRST END; Flow Angle: 45.0 DEGREES; Flange Face Design: PLAIN SWIVEL WITH GASKET GROOVE FIRST END; Connection Style: GRIPPING NIPPLE (NOSE) SECOND END. 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.