The Union,pipe to Tube, cataloged under National Stock Number 4730-00-278-8349, 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 Naval Ship Systems Command. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-278-8349 |
| Primary Part Number | 841626FIGD |
| Item Name | Union,pipe to Tube |
| FSC / FSG | 4730 / 47 — No Item Name Available |
| Manufacturer | Naval Ship Systems Command |
| Status | ACTIVE |
| Style Designator | SCREWED |
| Reducer Type | CONCENTRIC |
| Connection Type | THREADED EXTERNAL PIPE SECOND END |
| Material | COPPER ALLOY OVERALL |
| Coupling Flange Shape | HEXAGON |
| Furnished Items and Quantity | 1 GASKET |
| Tubing Wall Nominal Thickness for Which Designed | 0.049 INCHES FIRST END IN |
| Thread Series Designator | NPT SECOND END |
| Nominal Outside Diameter Tube Accommodated | 0.250 INCHES FIRST END IN |
| Operating Pressure | 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Nominal Thread Size | 0.250 INCHES SECOND END IN |
| Nominal Pipe Size Accommodated | 0.250 INCHES SECOND END IN |
| Connection Style | PLAIN (PIPE) SECOND END |
| Connection Style | SOCKET BRAZING RING (TUBE) FIRST END |
| Nominal Overall Length | 1.938 INCHES IN |
| Seat Type | GASKET |
| Connection Type | UNTHREADED INTERNAL TUBE FIRST END |
| Media for Which Designed | WATER-OIL-GAS SINGLE RESPONSE |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 3583 | The Walworth Company (USA) |
| 3583 | Walworth Co Marine Div (USA) |
| 841626FIGD PRIMARY | Naval Ship Systems Command (USA) |
NSN 4730-00-278-8349 is a Union,pipe to Tube, manufactured by Naval Ship Systems Command, classified under FSC 4730 (No Item Name Available). Status: active.
NSN 4730-00-278-8349 has 3 cross-referenced part numbers: 3583 (The Walworth Company), 3583 (Walworth Co Marine Div), 841626FIGD (Naval Ship Systems Command).
There are 10 known substitutes for 4730-00-278-8349: 6515-00-176-5472, 2530-00-383-4830, 4320-00-759-5534 and 7 more. Verify interchangeability with system specifications before substitution.
Key specifications for 841626FIGD: Style Designator: SCREWED; Reducer Type: CONCENTRIC; Connection Type: THREADED EXTERNAL PIPE SECOND END; Material: COPPER ALLOY OVERALL. 19 total characteristics are documented in the Federal Logistics Information System.