The Flange,pipe, cataloged under National Stock Number 4730-00-256-8512, 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 The Walworth Company. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 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 | 4730-00-256-8512 |
| Primary Part Number | 300-8IN |
| Item Name | Flange,pipe |
| FSC / FSG | 4730 / 47 — No Item Name Available |
| Manufacturer | The Walworth Company |
| Status | ACTIVE |
| Face Seating Surface Condition | MACHINED |
| Neck Height | 1.750 INCHES NOMINAL IN |
| Material | STEEL |
| Maximum Operating Temp and Media for Which Designed | 850.0 FAHRENHEIT GAS AND 850.0 FAHRENHEIT OIL AND 850.0 FAHRENHEIT WATER DEGF |
| Operating Pressure and Type | 300.0 POUNDS PER SQUARE INCH (PSI) GAS MAXIMUM REQUIRED AND 300.0 POUNDS PER SQUARE INCH (PSI) OIL MAXIMUM REQUIRED AND 300.0 POUNDS PER SQUARE INCH (PSI) WATER MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS |
| Nondefinitive Spec/std Data | 16 TABLE AND 17 TABLE |
| Style Designator | ROUND, ONE BOLT HOLE CIRCLE |
| Flange Section Style | RAISED FACE, RAISED NECK |
| Bolt Hole Diameter | 1.000 INCHES NOMINAL IN |
| Thickness | 1.560 INCHES NOMINAL IN |
| Flange Diameter | 15.000 INCHES NOMINAL IN |
| Bolt Hole Quantity | 12 |
| Raised Face Diameter | 10.260 INCHES NOMINAL IN |
| Raised Face Height | 0.060 INCHES NOMINAL IN |
| Nominal Pipe Size for Which Designed | 8.000 INCHES IN |
| Bolt Circle Diameter | 13.000 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| B16-5-1961 | American National Standards Institute Incorporated Dba American National Standards Institute (USA) |
| B16-15 | American National Standards Institute Incorporated Dba American National Standards Institute (USA) |
| 300-8IN PRIMARY | The Walworth Company (USA) |
NSN 4730-00-256-8512 is a Flange,pipe, manufactured by The Walworth Company, classified under FSC 4730 (No Item Name Available). Status: active.
NSN 4730-00-256-8512 has 3 cross-referenced part numbers: B16-5-1961 (American National Standards Institute Incorporated Dba American National Standards Institute), B16-15 (American National Standards Institute Incorporated Dba American National Standards Institute), 300-8IN (The Walworth Company).
There are 12 known substitutes for 4730-00-256-8512: 4730-00-066-0150, 4730-00-187-7651, 4730-00-249-3895 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 300-8IN: Face Seating Surface Condition: MACHINED; Neck Height: 1.750 INCHES NOMINAL IN; Material: STEEL; Maximum Operating Temp and Media for Which Designed: 850.0 FAHRENHEIT GAS AND 850.0 FAHRENHEIT OIL AND 850.0 FAHRENHEIT WATER DEGF. 16 total characteristics are documented in the Federal Logistics Information System.