The Elbow,tube, cataloged under National Stock Number 4730-01-593-6855, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-593-6855 |
| Primary Part Number | BACE21BT0404JN |
| 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 | QQ-P-35, TYPE VI OR VII FED SPEC SINGLE TREATMENT RESPONSE BALL BEARING |
| Connection Style | SWIVEL NUT, FLARELESS (SWIVEL NUT ATTACHMENT METHOD OPTIONAL) (TUBE) FIRST END |
| Connection Style | FLARELESS (TUBE) SECOND END |
| Connection Type | THREADED EXTERNAL TUBE FIRST END |
| Connection Type | UNTHREADED EXTERNAL TUBE SECOND END |
| Style Designator | ELBOW |
| Material Document and Classification | QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE BALL BEARING |
| Nominal Outside Diameter Tube Accommodated | 0.250 INCHES ALL ENDS IN |
| Leg Length | 0.883 INCHES NOMINAL SECOND END IN |
| Leg Length | 0.745 INCHES NOMINAL FIRST END IN |
| Surface Treatment | PASSIVATE BALL BEARING |
| Material | STEEL COMP 304 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 |
|---|---|
| BACE21BT0404JN | Boeing Defence Australia Ltd (AUS) |
| Reference | Meaning |
|---|---|
| BACE21BT0404JN | 3/2 Design control — primary reference U.S. Government activity |
NSN 4730-01-593-6855 is a Elbow,tube, manufactured by Boeing Defence Australia Ltd, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-593-6855 has 1 manufacturer part number on file: BACE21BT0404JN (Boeing Defence Australia Ltd).
Key specifications for BACE21BT0404JN: Flow Angle: 90.0 DEGREES; Surface Treatment Document and Classification: QQ-P-35, TYPE VI OR VII FED SPEC SINGLE TREATMENT RESPONSE BALL BEARING; Connection Style: SWIVEL NUT, FLARELESS (SWIVEL NUT ATTACHMENT METHOD OPTIONAL) (TUBE) FIRST END; Connection Style: FLARELESS (TUBE) SECOND END. 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.