The Reducer,tube, cataloged under National Stock Number 4730-00-945-1907, 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 Mueller Brass Co.. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 4730-00-945-1907 |
| Primary Part Number | UR3-86 |
| Item Name | Reducer,tube |
| FSC / FSG | 4730 / 47 — No Item Name Available |
| Manufacturer | Mueller Brass Co. |
| Status | CANCELLED |
| Connection Style | FLARED (TUBE) FIRST END |
| Thread Class | 2B FIRST END |
| Nominal Overall Length | 1.440 INCHES IN |
| Material | COPPER ALLOY OVERALL |
| Seat Angle | 45.0 DEGREES ALL ENDS |
| Connection Type | THREADED INTERNAL TUBE FIRST END |
| Nominal Outside Diameter Tube Accommodated | 0.500 INCHES FIRST END IN |
| Nominal Outside Diameter Tube Accommodated | 0.375 INCHES SECOND END IN |
| Connection Type | THREADED EXTERNAL TUBE SECOND END |
| Nominal Thread Size | 0.750 INCHES FIRST END IN |
| Reducer Type | CONCENTRIC |
| Thread Class | 2A SECOND END A |
| Nominal Thread Size | 0.625 INCHES SECOND END IN |
| Thread Series Designator | UNF ALL ENDS |
| Connection Style | FLARED (TUBE) SECOND END |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 3565 | Alter Harry Co the Div of T E C (USA) |
| A481 | Mueller Brass Co. (USA) |
| UR3-86 PRIMARY | Mueller Brass Co. (USA) |
| 661FHD-6-8 | Parker-Hannifin Corp Div Fluid System Connector Division (USA) |
NSN 4730-00-945-1907 is a Reducer,tube, manufactured by Mueller Brass Co., classified under FSC 4730 (No Item Name Available). Status: cancelled.
NSN 4730-00-945-1907 has 4 cross-referenced part numbers: 3565 (Alter Harry Co the Div of T E C), A481 (Mueller Brass Co.), UR3-86 (Mueller Brass Co.), 661FHD-6-8 (Parker-Hannifin Corp Div Fluid System Connector Division).
There are 12 known substitutes for 4730-00-945-1907: 3110-00-120-4247, 6240-00-143-7432, 4820-00-146-4705 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for UR3-86: Connection Style: FLARED (TUBE) FIRST END; Thread Class: 2B FIRST END; Nominal Overall Length: 1.440 INCHES IN; Material: COPPER ALLOY OVERALL. 15 total characteristics are documented in the Federal Logistics Information System.
NSN 4730-00-945-1907 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.