The Elbow,flange to Tube, cataloged under National Stock Number 4730-01-518-9840, 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 Naval Sea Systems Command. Government technical data includes 23 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-518-9840 |
| Primary Part Number | 6392813-1 |
| Item Name | Elbow,flange to Tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Flange Shape | RECTANGULAR WITH HOLES FIRST END |
| Flow Angle | 90.0 DEGREES |
| Flange Face Design | RAISED WITH CURVE AND RADIUS FIRST END |
| Connection Style | MULTI-GROOVED (HOSE) SECOND END |
| Nominal Length | 1.750 INCHES FIRST END IN |
| Nominal Inside Diameter Hose Accommodated | 0.935 INCHES SECOND END IN |
| Inlet Location | LOW HEEL SINGLE INLET |
| Criticality Code Justification | FEAT |
| Connection Type | UNTHREADED EXTERNAL HOSE SECOND END |
| Connection Type | FLANGE FIRST END |
| Material Document and Classification | ASTM B221 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Bolt Hole Nominal Diameter | 0.219 INCHES FIRST END IN |
| Leg Length | 3.750 INCHES NOMINAL SECOND END IN |
| Leg Length | 0.8575 INCHES NOMINAL FIRST END IN |
| Reduced Passage Nominal Inside Diameter | 0.640 INCHES SECOND ENDUNABLE TO DECODE IN |
| Center to Center Nominal Distance Between Bolt Holes Along Width | 1.280 INCHES FIRST END IN |
| Bolt Hole Quantity | 4 FIRST END |
| Nominal Width | 1.750 INCHES FIRST END IN |
| Center to Center Nominal Distance Between Bolt Holes Along Length | 1.280 INCHES FIRST END IN |
| Material | ALUMINUM ALLOY OVERALLUNABLE TO DECODE |
| Raised Face Nominal Diameter | 0.535 INCHES FIRST END IN |
| Raised Face Nominal Height | 0.380 INCHES FIRST END IN |
| Nominal Thickness | 0.380 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 | Y |
| Part Number | Manufacturer |
|---|---|
| 6392819 FIND 002 | Naval Sea Systems Command (USA) |
| 6392813-1 PRIMARY | Naval Sea Systems Command (USA) |
NSN 4730-01-518-9840 is a Elbow,flange to Tube, manufactured by Naval Sea Systems Command, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-518-9840 has 2 manufacturer part numbers on file: 6392819 FIND 002 (Naval Sea Systems Command), 6392813-1 (Naval Sea Systems Command).
Key specifications for 6392813-1: Flange Shape: RECTANGULAR WITH HOLES FIRST END; Flow Angle: 90.0 DEGREES; Flange Face Design: RAISED WITH CURVE AND RADIUS FIRST END; Connection Style: MULTI-GROOVED (HOSE) SECOND END. 23 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.