The Elbow,swivel Flange to Hose, cataloged under National Stock Number 4730-00-604-2603, 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 25 specifications, cited from the U.S. Government catalog. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-604-2603 |
| Item Name | Elbow,swivel Flange to Hose |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| Flange Shape | RECTANGULAR WITH HOLES FIRST END |
| Furnished Items and Quantity | 1 HOSE COUPLING NUT |
| Flow Angle | 90.0 DEGREES |
| Flange Face Design | RAISED SWIVEL FIRST END |
| Surface Treatment Document and Classification | MIL-A-8625,TY 2 MIL SPEC SINGLE TREATMENT RESPONSE INSIDE |
| Surface Treatment Document and Classification | MIL-A-8625,TYPE 2 MIL SPEC SINGLE TREATMENT RESPONSE OUTSIDE |
| Connection Style | GRIPPING NIPPLE (NOSE) SECOND END |
| Nominal Length | 3.000 INCHES FIRST END IN |
| Nominal Inside Diameter Hose Accommodated | 1.812 INCHES SECOND END IN |
| Nominal Outside Diameter Hose Accommodated | 2.219 INCHES SECOND END IN |
| Connection Type | THREADED EXTERNAL HOSE GRIPPING SECOND END |
| Connection Type | FLANGE FIRST END |
| Bolt Hole Nominal Diameter | 0.328 INCHES FIRST END IN |
| Leg Length | 2.062 INCHES NOMINAL FIRST END IN |
| Leg Length | 4.640 INCHES NOMINAL SECOND END IN |
| Specification/standard Data | 96906-MS28750 GOVERNMENT STANDARD |
| Center to Center Nominal Distance Between Bolt Holes Along Width | 2.375 INCHES FIRST END IN |
| Bolt Hole Quantity | 4 FIRST END |
| Surface Treatment | ANODIZE OVERALL |
| Nominal Width | 3.000 INCHES FIRST END IN |
| Center to Center Nominal Distance Between Bolt Holes Along Length | 2.375 INCHES FIRST END IN |
| Material | ALUMINUM ALLOY OVERALL |
| Raised Face Nominal Diameter | 2.750 INCHES FIRST END IN |
| Raised Face Nominal Height | 0.020 INCHES FIRST END IN |
| Nominal Thickness | 0.297 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 |
|---|---|
| 9890-32D | 5/1 Secondary reference Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution |
| MS28750D32 | 5/9 Secondary reference U.S. Government activity |
| MS27228-32AA | 2/2 Government specification standardization U.S. Government activity |
| MS27228-32 | 5/9 Secondary reference U.S. Government activity |
| MIL-DTL-5070 | 4/1 Identification reference U.S. Government activity |
NSN 4730-00-604-2603 is a Elbow,swivel Flange to Hose, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
Key specifications for 4730-00-604-2603: Flange Shape: RECTANGULAR WITH HOLES FIRST END; Furnished Items and Quantity: 1 HOSE COUPLING NUT; Flow Angle: 90.0 DEGREES; Flange Face Design: RAISED SWIVEL FIRST END. 25 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.