The Elbow,flange to Hose, cataloged under National Stock Number 4730-00-640-5612, 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 15 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-640-5612 |
| Item Name | Elbow,flange to Hose |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| Recess Nominal Depth | 0.190 INCHES FIRST END IN |
| Flange Shape | ROUND FIRST END |
| Flow Angle | 45.0 DEGREES |
| Flange Face Design | RECESSED STRAIGHT FIRST END |
| Connection Style | BEADED (HOSE) SECOND END |
| Nominal Inside Diameter Hose Accommodated | 1.500 INCHES SECOND END IN |
| Connection Type | UNTHREADED EXTERNAL HOSE SECOND END |
| Connection Type | FLANGE FIRST END |
| Material Document and Classification | QQ-A-601 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Leg Length | 1.500 INCHES NOMINAL FIRST END IN |
| Leg Length | 2.000 INCHES NOMINAL SECOND END IN |
| Nominal Outside Diameter | 2.320 INCHES FIRST END IN |
| Material | ALUMINUM ALLOY 355.0 OVERALL |
| Nominal Thickness | 0.160 INCHES FIRST END IN |
| Recess Nominal Diameter | 1.500 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 |
|---|---|
| 434960 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4730-00-640-5612 is a Elbow,flange to Hose, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 5975-01-727-7134. Verify interchangeability with system specifications before substitution.
Key specifications for 4730-00-640-5612: Recess Nominal Depth: 0.190 INCHES FIRST END IN; Flange Shape: ROUND FIRST END; Flow Angle: 45.0 DEGREES; Flange Face Design: RECESSED STRAIGHT FIRST END. 15 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.