The Elbow,tube, cataloged under National Stock Number 4730-01-593-6858, 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 Boeing Defence Australia Ltd. Government technical data includes 13 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-593-6858 |
| Primary Part Number | BACE21BN0406T |
| Item Name | Elbow,tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Boeing Defence Australia Ltd |
| Status | ACTIVE |
| Flow Angle | 90.0 DEGREES |
| Surface Treatment Document and Classification | AMS 2486 ASSN STD SINGLE TREATMENT RESPONSE BALL BEARING |
| Connection Type | UNTHREADED EXTERNAL TUBE ALL ENDS BULKHEAD |
| Style Designator | ELBOW |
| Material Document and Classification | AMS 4928 ASSN STD SINGLE MATERIAL RESPONSE OR MIL-T-9047, CONDITION A MIL SPEC SINGLE MATERIAL RESPONSE BALL BEARING |
| Nominal Outside Diameter Tube Accommodated | 0.375 INCHES FIRST END BULKHEAD IN |
| Nominal Outside Diameter Tube Accommodated | 0.250 INCHES SECOND END IN |
| Operating Pressure | 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Leg Length | 1.086 INCHES NOMINAL FIRST END BULKHEAD IN |
| Leg Length | 1.665 INCHES NOMINAL SECOND END IN |
| Surface Treatment | PHOSPHATE BALL BEARING |
| Media for Which Designed | HYDRAULIC FLUID SINGLE RESPONSE |
| Material | TITANIUM ALLOY UNS R56400 BALL BEARING |
| 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 |
|---|---|
| BACE21BN0406T | Boeing Defence Australia Ltd (AUS) |
| Reference | Meaning |
|---|---|
| AS4132T0406 | 5/2 Secondary reference U.S. Government activity |
| BACE21BN0406T | 3/2 Design control — primary reference U.S. Government activity |
NSN 4730-01-593-6858 is a Elbow,tube, manufactured by Boeing Defence Australia Ltd, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-593-6858 has 1 manufacturer part number on file: BACE21BN0406T (Boeing Defence Australia Ltd).
Key specifications for BACE21BN0406T: Flow Angle: 90.0 DEGREES; Surface Treatment Document and Classification: AMS 2486 ASSN STD SINGLE TREATMENT RESPONSE BALL BEARING; Connection Type: UNTHREADED EXTERNAL TUBE ALL ENDS BULKHEAD; Style Designator: ELBOW. 13 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.