The Reducer,tube, cataloged under National Stock Number 4730-00-783-8846, 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 Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 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 | 4730-00-783-8846 |
| Primary Part Number | 4RU2 |
| Item Name | Reducer,tube |
| FSC / FSG | 4730 / 47 — No Item Name Available |
| Manufacturer | Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok |
| Status | ACTIVE |
| Thread Series Designator | UNF FIRST END |
| Nominal Outside Diameter Tube Accommodated | 0.250 INCHES FIRST END IN |
| Thread Class | 3A ALL ENDS A |
| Nominal Thread Size | 0.438 INCHES FIRST END IN |
| Nominal Overall Length | 0.969 INCHES IN |
| Seat Angle | 20.0 DEGREES ALL ENDS |
| Thread Quantity Per Inch | 20 SECOND END |
| Connection Type | THREADED EXTERNAL TUBE ALL ENDS |
| Reducer Type | CONCENTRIC |
| Nominal Thread Size | 0.312 INCHES SECOND END IN |
| Connection Style | FLARELESS (TUBE) ALL ENDS |
| Nominal Outside Diameter Tube Accommodated | 0.125 INCHES SECOND END IN |
| Thread Series Designator | UN SECOND END |
| Material | COPPER ALLOY OVERALL |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 4RU2 | Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok (USA) |
| 400-6-2 | Swagelok Co Dba Use CAGE Code 3t9t9 for Cataloging (USA) |
| 4-2 HBZ-B | Parker-Hannifin Corporation Div Instrumentation Products Division (USA) |
| B400-6-2 | Swagelok Co Dba Use CAGE Code 3t9t9 for Cataloging (USA) |
| 4RU2 | J R Douglass Company (USA) |
| 4 SC 2 | Parker-Hannifin Corporation Div Instrumentation Products Division (USA) |
NSN 4730-00-783-8846 is a Reducer,tube, manufactured by Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok, classified under FSC 4730 (No Item Name Available). Status: active.
NSN 4730-00-783-8846 has 6 cross-referenced part numbers: 4RU2 (Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok), 400-6-2 (Swagelok Co Dba Use CAGE Code 3t9t9 for Cataloging), 4-2 HBZ-B (Parker-Hannifin Corporation Div Instrumentation Products Division), B400-6-2 (Swagelok Co Dba Use CAGE Code 3t9t9 for Cataloging), 4RU2 (J R Douglass Company) and 1 more.
There are 12 known substitutes for 4730-00-783-8846: 5955-00-249-0735, 5330-00-627-4085, 5930-00-718-3850 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 4RU2: Thread Series Designator: UNF FIRST END; Nominal Outside Diameter Tube Accommodated: 0.250 INCHES FIRST END IN; Thread Class: 3A ALL ENDS A; Nominal Thread Size: 0.438 INCHES FIRST END IN. 14 total characteristics are documented in the Federal Logistics Information System.