The Elbow,pipe to Tube, cataloged under National Stock Number 4730-01-078-3581, 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 Sae International Dba Sae International. Government technical data includes 18 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-078-3581 |
| Primary Part Number | SAE J512 6-4 040202BA |
| Item Name | Elbow,pipe to Tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Sae International Dba Sae International |
| Status | ACTIVE |
| Furnished Items and Quantity | 1 INVERTED NUT |
| Flow Angle | 90.0 DEGREES |
| Connection Style | PLAIN (PIPE) FIRST END |
| Connection Style | PLAIN (PIPE) SECOND END |
| Connection Type | THREADED EXTERNAL PIPE SECOND END |
| Connection Type | THREADED INTERNAL TUBE FIRST END |
| Nominal Outside Diameter Tube Accommodated | 0.375 INCHES FIRST END IN |
| Leg Length | 0.940 INCHES NOMINAL SECOND END IN |
| Leg Length | 0.530 INCHES NOMINAL FIRST END IN |
| Nominal Thread Size | 0.625 INCHES FIRST END IN |
| Nominal Thread Size | 0.250 INCHES SECOND END IN |
| Seat Angle | 42.0 DEGREES FIRST END |
| Specification/standard Data | 81343-J512 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Nondefinitive Spec/std Data | 6A FIGURE A |
| Thread Class | 2B FIRST END |
| Material | COPPER ALLOY 360 OR COPPER ALLOY 345 OVERALL |
| Thread Series Designator | NPTF SECOND END |
| Thread Series Designator | UNF FIRST END |
| 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 |
|---|---|
| SAE J512 6-4 040202BA PRIMARY | Sae International Dba Sae International (USA) |
| Reference | Meaning |
|---|---|
| J512 | 5/1 Secondary reference Sae International Dba Sae International |
| MS51879-6 | 5/9 Secondary reference U.S. Government activity |
| 6-4 040202BA | 3/9 Design control — primary reference U.S. Government activity |
| 249IFHD-6-4 | 3/2 Design control — primary reference U.S. Government activity |
| 6-4 040202BA | 5/9 Secondary reference Sae International Dba Sae International |
| J512 | 5/9 Secondary reference U.S. Government activity |
| SAE-J512 | 3/1 Design control — primary reference Sae International Dba Sae International |
NSN 4730-01-078-3581 is a Elbow,pipe to Tube, manufactured by Sae International Dba Sae International, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-078-3581 has 1 manufacturer part number on file: SAE J512 6-4 040202BA (Sae International Dba Sae International).
Key specifications for SAE J512 6-4 040202BA: Furnished Items and Quantity: 1 INVERTED NUT; Flow Angle: 90.0 DEGREES; Connection Style: PLAIN (PIPE) FIRST END; Connection Style: PLAIN (PIPE) 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.