The Elbow,swivel Flange to Hose, cataloged under National Stock Number 4730-01-008-9951, 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 29 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-008-9951 |
| Primary Part Number | 8790-20D |
| Item Name | Elbow,swivel 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 | ROUND FIRST ENDUNABLE TO DECODE |
| Flow Angle | 90.0 DEGREES |
| Maximum Operating Pressure | UNABLE TO DECODEUNABLE TO DECODE |
| Flange Face Design | PLAIN FIRST ENDUNABLE TO DECODE |
| Surface Treatment Document and Classification | UNABLE TO DECODE |
| Surface Treatment Document and Classification | MIL-A-8625,TYPE 2 MIL SPEC SINGLE TREATMENT RESPONSE OUTSIDE |
| Surface Treatment Document and Classification | MIL-A-8625,TYPE 2 MIL SPEC SINGLE TREATMENT RESPONSE INSIDE |
| Connection Style | GRIPPING NIPPLE (NOSE) SECOND ENDUNABLE TO DECODE |
| Nominal Inside Diameter Hose Accommodated | 1.125 INCHES SECOND ENDUNABLE TO DECODE IN |
| Nominal Outside Diameter Hose Accommodated | 1.438 INCHES SECOND ENDUNABLE TO DECODE IN |
| Connection Type | FLANGE FIRST ENDUNABLE TO DECODE |
| Connection Type | THREADED EXTERNAL HOSE GRIPPING SECOND ENDUNABLE TO DECODE |
| Material Document and Classification | QQ-A-225/8,T651 FED SPEC SINGLE MATERIAL RESPONSE NIPPLEUNABLE TO DECODE |
| Material Document and Classification | QQ-A-225/8,T651 FED SPEC SINGLE MATERIAL RESPONSE SHOULDERUNABLE TO DECODE |
| Material Document and Classification | WW-T-700/6,T6 FED SPEC SINGLE MATERIAL RESPONSE ELBOWUNABLE TO DECODE |
| Operating Pressure | 500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Leg Length | 1.500 INCHES NOMINAL FIRST ENDUNABLE TO DECODE IN |
| Leg Length | 3.203 INCHES NOMINAL SECOND ENDUNABLE TO DECODE IN |
| Specification/standard Data | 81349-MIL-F-83798 GOVERNMENT SPECIFICATION AND 81349-MIL-F-83798/18/CANCELED/ GOVERNMENT SPECIFICATION |
| Nominal Outside Diameter | 1.844 INCHES FIRST ENDUNABLE TO DECODE IN |
| Surface Treatment | ANODIZE NIPPLE |
| Surface Treatment | ANODIZE ELBOW |
| Surface Treatment | ANODIZE SHOULDER |
| Media for Which Designed | OIL SECOND RESPONSE |
| Media for Which Designed | FUEL FIRST RESPONSE |
| Material | ALUMINUM ALLOY 6061 ELBOWUNABLE TO DECODE |
| Material | ALUMINUM ALLOY 6061 NIPPLEUNABLE TO DECODE |
| Material | ALUMINUM ALLOY 6061 SHOULDERUNABLE TO DECODE |
| Nominal Thickness | 0.234 INCHES FIRST ENDUNABLE TO DECODE 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 |
|---|---|
| 8790-20D PRIMARY | Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution (USA) |
| 8790-20D | Satair A/s (DNK) |
| Reference | Meaning |
|---|---|
| MIL-F-83798 | 5/9 Secondary reference U.S. Government activity |
| 8790-20-20D | C/1 Advisory reference — outside the item-of-supply concept Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution |
| M83798/18-20 | 5/9 Secondary reference U.S. Government activity |
NSN 4730-01-008-9951 is a Elbow,swivel 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 4730-01-008-9951 has 2 manufacturer part numbers on file: 8790-20D (Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution), 8790-20D (Satair A/s).
Key specifications for 8790-20D: Flange Shape: ROUND FIRST ENDUNABLE TO DECODE; Flow Angle: 90.0 DEGREES; Maximum Operating Pressure: UNABLE TO DECODEUNABLE TO DECODE; Flange Face Design: PLAIN FIRST ENDUNABLE TO DECODE. 29 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.