The Flange,pipe, cataloged under National Stock Number 4730-00-256-8506, 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 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 17 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 | 4730-00-256-8506 |
| Primary Part Number | MIL-F-18180C |
| Item Name | Flange,pipe |
| FSC / FSG | 4730 / 47 — No Item Name Available |
| Manufacturer | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| Status | ACTIVE |
| Nominal Pipe Size for Which Designed | 2.500 INCHES IN |
| Bolt Hole Diameter | 0.875 INCHES NOMINAL IN |
| Material Document and Classification | ASTM A105,GRADES 1 AND 2 AND A181,GRADES 1 AND 2 ASSN STD SINGLE MATERIAL RESPONSE |
| 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 |
| 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 |
| Thickness | 0.938 INCHES NOMINAL IN |
| Bolt Circle Diameter | 5.875 INCHES NOMINAL IN |
| Flange Diameter | 7.500 INCHES NOMINAL IN |
| Face Seating Surface Condition | MACHINED |
| Neck Height | 2.000 INCHES NOMINAL IN |
| Flange Section Style | RAISED FACE, WELDING NECK |
| Bolt Hole Quantity | 8 |
| Raised Face Diameter | 4.125 INCHES NOMINAL IN |
| Raised Face Height | 0.062 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| MIL-F-18180C | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| B16-5-1961 | American National Standards Institute Incorporated Dba American National Standards Institute (USA) |
| M18180/1-027A01A | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
NSN 4730-00-256-8506 is a Flange,pipe, manufactured by Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 4730 (No Item Name Available). Status: active.
NSN 4730-00-256-8506 has 3 cross-referenced part numbers: MIL-F-18180C (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), B16-5-1961 (American National Standards Institute Incorporated Dba American National Standards Institute), M18180/1-027A01A (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).
There are 12 known substitutes for 4730-00-256-8506: 4730-00-066-0150, 4730-00-193-6973, 4730-00-256-8505 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for MIL-F-18180C: Nominal Pipe Size for Which Designed: 2.500 INCHES IN; Bolt Hole Diameter: 0.875 INCHES NOMINAL IN; Material Document and Classification: ASTM A105,GRADES 1 AND 2 AND A181,GRADES 1 AND 2 ASSN STD SINGLE MATERIAL RESPONSE; Maximum Operating Temp and Media for Which Designed: 850.0 FAHRENHEIT GAS AND 850.0 FAHRENHEIT OIL AND 850.0 FAHRENHEIT WATER DEGF. 17 total characteristics are documented in the Federal Logistics Information System.