The Elbow,tube, cataloged under National Stock Number 4730-01-494-3729, 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15 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-494-3729 |
| Item Name | Elbow,tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| Furnished Items and Quantity | 2 NUT WITH SLEEVE |
| Surface Treatment Document and Classification | MIL-F-18866 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Connection Style | FLARELESS (TUBE) ALL ENDS |
| Connection Type | THREADED EXTERNAL TUBE ALL ENDS |
| Material Document and Classification | MIL-F-18866 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Outside Diameter Tube Accommodated | 0.500 INCHES ALL ENDS IN |
| Leg Length | 1.220 INCHES MINIMUM AND 1.280 INCHES MAXIMUM ALL ENDS IN |
| Nominal Thread Size | 0.750 INCHES ALL ENDS IN |
| Seat Angle | 90.0 DEGREES ALL ENDS |
| Surface Treatment | CADMIUM OVERALL |
| Media for Which Designed | HYDRAULIC FLUID SINGLE RESPONSE |
| Thread Class | 2A ALL ENDS A |
| Thread Quantity Per Inch | 16 ALL ENDS |
| Material | STEEL OVERALL |
| Thread Series Designator | UNF ALL ENDS |
| 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 |
|---|---|
| MS51820-6A | 2/2 Government specification standardization U.S. Government activity |
| MIL-DTL-18866 | 4/1 Identification reference U.S. Government activity |
| MS51820 | 5/9 Secondary reference U.S. Government activity |
NSN 4730-01-494-3729 is a Elbow,tube, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
Key specifications for 4730-01-494-3729: Furnished Items and Quantity: 2 NUT WITH SLEEVE; Surface Treatment Document and Classification: MIL-F-18866 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Connection Style: FLARELESS (TUBE) ALL ENDS; Connection Type: THREADED EXTERNAL TUBE ALL ENDS. 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.