The Ferrule,brazing,tube Fitting, cataloged under National Stock Number 4730-00-278-0656, is classified within Federal Supply Class 4730 (No Item Name Available) of the Pipe, Tubing, Hose, and Fittings group. The primary manufacturer of record is Curtiss-Wright Controls, Inc. Div Actuation Division. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-278-0656 |
| Primary Part Number | 157D4 |
| Item Name | Ferrule,brazing,tube Fitting |
| FSC / FSG | 4730 / 47 — No Item Name Available |
| Manufacturer | Curtiss-Wright Controls, Inc. Div Actuation Division |
| Status | ACTIVE |
| Flange Outside Diameter | 0.672 INCHES NOMINAL IN |
| Seat Radius | 0.422 INCHES NOMINAL IN |
| Flange Inside Diameter | 0.406 INCHES NOMINAL IN |
| Style Designator | COMPRESSION |
| Flange Face Diameter | 0.453 INCHES NOMINAL IN |
| Sleeve Outside Diameter | 0.594 INCHES NOMINAL IN |
| Distance From Flanged End to Tubing Clearance Hole | 0.250 INCHES NOMINAL IN |
| Flange Width | 0.188 INCHES NOMINAL IN |
| Hose/tube Outside Diameter for Which Designed | 0.500 INCHES NOMINAL IN |
| Material | COPPER ALLOY |
| Casehardening Indicator | NOT CASEHARDENED |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 157D4 | Curtiss-Wright Controls, Inc. Div Actuation Division (USA) |
| AN800-8 | Aeronautical Standards Group Dept of Navy and Air Force (USA) |
| MIL-DTL-6001 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| 0594 | Power Industries Inc (USA) |
NSN 4730-00-278-0656 is a Ferrule,brazing,tube Fitting, manufactured by Curtiss-Wright Controls, Inc. Div Actuation Division, classified under FSC 4730 (No Item Name Available). Status: active.
NSN 4730-00-278-0656 has 4 cross-referenced part numbers: 157D4 (Curtiss-Wright Controls, Inc. Div Actuation Division), AN800-8 (Aeronautical Standards Group Dept of Navy and Air Force), MIL-DTL-6001 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 0594 (Power Industries Inc).
There are 12 known substitutes for 4730-00-278-0656: 5342-00-200-7564, 5342-00-200-7568, 5342-00-200-7572 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 157D4: Overall Length: 1.094 INCHES NOMINAL IN; Flange Outside Diameter: 0.672 INCHES NOMINAL IN; Seat Radius: 0.422 INCHES NOMINAL IN; Flange Inside Diameter: 0.406 INCHES NOMINAL IN. 12 total characteristics are documented in the Federal Logistics Information System.