The Elbow,flange to Hose, cataloged under National Stock Number 4730-01-075-6574, 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 Danfoss Power Solutions II, Llc. Government technical data includes 21 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-075-6574 |
| Primary Part Number | 4790-24-20S |
| Item Name | Elbow,flange to Hose |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Danfoss Power Solutions II, Llc |
| Status | ACTIVE |
| Flange Shape | ROUND FIRST END |
| Furnished Items and Quantity | 1 HOSE COUPLING NUT |
| Flow Angle | 90.0 DEGREES |
| Flange Face Design | PLAIN WITH GASKET GROOVE FIRST END |
| Surface Treatment Document and Classification | QQ-Z-325,TYPE II,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Connection Style | GRIPPING NIPPLE (NOSE) SECOND END |
| Nominal Inside Diameter Hose Accommodated | 1.250 INCHES SECOND END IN |
| Nominal Outside Diameter Hose Accommodated | 2.000 INCHES SECOND END IN |
| Connection Type | THREADED EXTERNAL HOSE GRIPPING SECOND END |
| Connection Type | FLANGE FIRST END |
| Operating Pressure | 1625.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Leg Length | 2.690 INCHES NOMINAL FIRST END IN |
| Leg Length | 6.330 INCHES NOMINAL SECOND END IN |
| Specification/standard Data | 81349-MIL-F-52525C GOVERNMENT SPECIFICATION |
| Maximum Operating Temp | 212.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Nondefinitive Spec/std Data | B TYPE |
| Nominal Outside Diameter | 2.375 INCHES FIRST END IN |
| Surface Treatment | ZINC OVERALL |
| Media for Which Designed | HYDRAULIC FLUID SINGLE RESPONSE |
| Material | STEEL OR IRON 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 |
|---|---|
| 4790-24-20S PRIMARY | Danfoss Power Solutions II, Llc (USA) |
| 90EF-S1600SF-2420 PRIMARY | Hydrasearch Company, Llc (USA) |
| Reference | Meaning |
|---|---|
| 21930-24-20 | 5/9 Secondary reference U.S. Government activity |
| 94-4790-24-20 | 5/9 Secondary reference Danfoss Power Solutions II, Llc |
| 21930-24-20 | 3/2 Design control — primary reference U.S. Government activity |
| 94-4790-24-20 | 5/9 Secondary reference Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution |
NSN 4730-01-075-6574 is a Elbow,flange to Hose, manufactured by Danfoss Power Solutions II, Llc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-075-6574 has 2 manufacturer part numbers on file: 4790-24-20S (Danfoss Power Solutions II, Llc), 90EF-S1600SF-2420 (Hydrasearch Company, Llc).
Key specifications for 4790-24-20S: Flange Shape: ROUND FIRST END; Furnished Items and Quantity: 1 HOSE COUPLING NUT; Flow Angle: 90.0 DEGREES; Flange Face Design: PLAIN WITH GASKET GROOVE FIRST END. 21 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.