The Flange,pipe, cataloged under National Stock Number 4730-00-256-8511, 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 17 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 4730-00-256-8511 |
| Primary Part Number | 300-6IN |
| Item Name | Flange,pipe |
| FSC / FSG | 4730 / 47 — No Item Name Available |
| Manufacturer | The Walworth Company |
| Status | CANCELLED |
| Material Document and Classification | ASTM A105,GRADES 1 AND 2 AND A181,GRADES 1 AND 2 ASSN STD SINGLE MATERIAL RESPONSE |
| 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 |
| Style Designator | ROUND, ONE BOLT HOLE CIRCLE |
| Specification/standard Data | 80204-ASA B16.5,TABLES 16 AND 17 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Bolt Hole Quantity | 12 |
| Face Seating Surface Condition | MACHINED |
| Raised Face Height | 0.062 INCHES NOMINAL IN |
| Thickness | 1.375 INCHES NOMINAL IN |
| Bolt Circle Diameter | 10.625 INCHES NOMINAL IN |
| Flange Diameter | 12.500 INCHES NOMINAL IN |
| Flange Section Style | RAISED FACE, WELDING NECK |
| Nominal Pipe Size for Which Designed | 6.000 INCHES IN |
| Neck Height | 2.438 INCHES NOMINAL IN |
| Raised Face Diameter | 8.500 INCHES NOMINAL IN |
| Maximum Operating Temp and Media for Which Designed | 850.0 FAHRENHEIT GAS AND 850.0 FAHRENHEIT OIL AND 850.0 FAHRENHEIT WATER DEGF |
| Material | STEEL |
| Bolt Hole Diameter | 0.875 INCHES NOMINAL IN |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 300-6IN | The Walworth Company (USA) |
| B16-5-1961 | American National Standards Institute Incorporated Dba American National Standards Institute (USA) |
| 30-6IN | Ati Ladish Llc Dba Ati Wah Chang Div Ati Forged Products - Cudahy (USA) |
NSN 4730-00-256-8511 is a Flange,pipe, manufactured by The Walworth Company, classified under FSC 4730 (No Item Name Available). Status: cancelled.
NSN 4730-00-256-8511 has 3 cross-referenced part numbers: 300-6IN (The Walworth Company), B16-5-1961 (American National Standards Institute Incorporated Dba American National Standards Institute), 30-6IN (Ati Ladish Llc Dba Ati Wah Chang Div Ati Forged Products - Cudahy).
There are 12 known substitutes for 4730-00-256-8511: 4730-00-066-0150, 4730-00-256-8505, 4730-00-256-8506 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 300-6IN: Material Document and Classification: ASTM A105,GRADES 1 AND 2 AND A181,GRADES 1 AND 2 ASSN STD SINGLE MATERIAL RESPONSE; 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; Style Designator: ROUND, ONE BOLT HOLE CIRCLE; Specification/standard Data: 80204-ASA B16.5,TABLES 16 AND 17 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD. 17 total characteristics are documented in the Federal Logistics Information System.
NSN 4730-00-256-8511 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.