The Flange,pipe, cataloged under National Stock Number 4730-00-256-8478, 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 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-256-8478 |
| Primary Part Number | B196 |
| Item Name | Flange,pipe |
| FSC / FSG | 4730 / 47 — No Item Name Available |
| Manufacturer | Naval Ship Systems Command |
| Status | ACTIVE |
| Nominal Pipe Size for Which Designed | 3.500 INCHES IN |
| Bolt Hole Quantity | 8 |
| Thickness | 1.375 INCHES NOMINAL IN |
| Material Document and Classification | MIL-S-872 MIL SPEC SINGLE MATERIAL RESPONSE |
| Material | STEEL |
| Maximum Operating Temp and Media for Which Designed | 850.0 FAHRENHEIT STEAM AND 425.0 FAHRENHEIT WATER DEGF |
| Style Designator | ROUND, ONE BOLT HOLE CIRCLE |
| Reference Number Differentiating Characteristics | AS DIFFERENTIATED BY 3-1/2 IN.SIZE IN |
| Operating Pressure and Type | 600.0 POUNDS PER SQUARE INCH (PSI) STEAM MAXIMUM REQUIRED AND 750.0 POUNDS PER SQUARE INCH (PSI) WATER MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS |
| Raised Face Diameter | 6.250 INCHES NOMINAL IN |
| Raised Face Height | 0.250 INCHES NOMINAL IN |
| Neck Height | 2.000 INCHES NOMINAL IN |
| Flange Section Style | RAISED FACE, WELDING NECK |
| Flange Diameter | 9.000 INCHES NOMINAL IN |
| Face Seating Surface Condition | MACHINED |
| Bolt Hole Diameter | 0.938 INCHES NOMINAL IN |
| Bolt Circle Diameter | 7.250 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| B196 | Naval Ship Systems Command (USA) |
| 810-1385783 | Naval Ship Systems Command (USA) |
NSN 4730-00-256-8478 is a Flange,pipe, manufactured by Naval Ship Systems Command, classified under FSC 4730 (No Item Name Available). Status: active.
NSN 4730-00-256-8478 has 2 cross-referenced part numbers: B196 (Naval Ship Systems Command), 810-1385783 (Naval Ship Systems Command).
There are 6 known substitutes for 4730-00-256-8478: 5945-00-050-0394, 4730-00-256-8474, 4730-00-256-8484 and 3 more. Verify interchangeability with system specifications before substitution.
Key specifications for B196: Nominal Pipe Size for Which Designed: 3.500 INCHES IN; Bolt Hole Quantity: 8; Thickness: 1.375 INCHES NOMINAL IN; Material Document and Classification: MIL-S-872 MIL SPEC SINGLE MATERIAL RESPONSE. 17 total characteristics are documented in the Federal Logistics Information System.