The Elbow,swivel Flange to Hose, cataloged under National Stock Number 4730-00-278-4459, is classified within Federal Supply Class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings) of the Pipe, Tubing, Hose, and Fittings group. Government technical data includes 18 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-278-4459 |
| Item Name | Elbow,swivel Flange to Hose |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| Flange Shape | ROUND FIRST END |
| Flow Angle | 90.0 DEGREES |
| Flange Face Design | PLAIN FIRST END |
| Connection Style | BEADED (HOSE) SECOND END |
| Nominal Inside Diameter Hose Accommodated | 1.000 INCHES SECOND END IN |
| Connection Type | UNTHREADED EXTERNAL HOSE SECOND END |
| Connection Type | FLANGE FIRST END |
| Operating Pressure | 1500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS |
| Leg Length | 1.438 INCHES NOMINAL FIRST END IN |
| Leg Length | 2.250 INCHES NOMINAL SECOND END IN |
| Specification/standard Data | 95906-MS20759 GOVERNMENT STANDARD |
| Maximum Operating Temp | 135.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Nominal Outside Diameter | 1.500 INCHES FIRST END IN |
| Surface Treatment | ANODIZE OVERALL |
| Media for Which Designed | FUEL SECOND RESPONSE |
| Media for Which Designed | OIL FIRST RESPONSE |
| Material | ALUMINUM ALLOY OVERALL |
| Nominal Thickness | 0.156 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 |
| Reference | Meaning |
|---|---|
| MS20759 | 4/1 Identification reference U.S. Government activity |
| AN759D16 | 5/9 Secondary reference U.S. Government activity |
| MS20759-D16 | 2/2 Government specification standardization U.S. Government activity |
NSN 4730-00-278-4459 is a Elbow,swivel Flange to Hose, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
2 possible matches (shared part number, not a government interchangeability claim): 4730-00-585-0436, 4730-01-374-9372. Verify interchangeability with system specifications before substitution.
Key specifications for 4730-00-278-4459: Flange Shape: ROUND FIRST END; Flow Angle: 90.0 DEGREES; Flange Face Design: PLAIN FIRST END; Connection Style: BEADED (HOSE) SECOND END. 18 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.