The Flange,pipe, cataloged under National Stock Number 4730-00-256-8509, 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 American National Standards Institute Incorporated Dba American National Standards Institute. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, 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 | 4730-00-256-8509 |
| Primary Part Number | B16-5-1961 |
| Item Name | Flange,pipe |
| FSC / FSG | 4730 / 47 — No Item Name Available |
| Manufacturer | American National Standards Institute Incorporated Dba American National Standards Institute |
| Status | CANCELLED |
| Face Seating Surface Condition | MACHINED |
| Flange Diameter | 10.000 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 |
| Nondefinitive Spec/std Data | 16 TABLE AND 17 TABLE |
| Style Designator | ROUND, ONE BOLT HOLE CIRCLE |
| 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 |
| Nominal Pipe Size for Which Designed | 4.000 INCHES IN |
| Bolt Hole Quantity | 8 |
| Bolt Circle Diameter | 7.875 INCHES NOMINAL IN |
| Raised Face Diameter | 6.188 INCHES NOMINAL IN |
| Thickness | 1.188 INCHES NOMINAL IN |
| Flange Section Style | RAISED FACE, WELDING NECK |
| Neck Height | 2.125 INCHES NOMINAL IN |
| Raised Face Height | 0.062 INCHES NOMINAL IN |
| Bolt Hole Diameter | 0.875 INCHES NOMINAL IN |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| B16-5-1961 | American National Standards Institute Incorporated Dba American National Standards Institute (USA) |
NSN 4730-00-256-8509 is a Flange,pipe, manufactured by American National Standards Institute Incorporated Dba American National Standards Institute, classified under FSC 4730 (No Item Name Available). Status: cancelled.
NSN 4730-00-256-8509 has 1 cross-referenced part number: B16-5-1961 (American National Standards Institute Incorporated Dba American National Standards Institute).
There are 12 known substitutes for 4730-00-256-8509: 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 B16-5-1961: Face Seating Surface Condition: MACHINED; Flange Diameter: 10.000 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. 17 total characteristics are documented in the Federal Logistics Information System.
NSN 4730-00-256-8509 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.