The Flange,pipe, cataloged under National Stock Number 4730-00-256-8476, 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 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-256-8476 |
| Primary Part Number | 810-1385733 |
| 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 | 2.500 INCHES IN |
| Face Seating Surface Condition | MACHINED |
| Flange Diameter | 7.500 INCHES NOMINAL IN |
| Flange Section Style | RAISED FACE, WELDING NECK |
| Maximum Operating Temp and Media for Which Designed | 850.0 FAHRENHEIT STEAM AND 425.0 FAHRENHEIT GAS AND 425.0 FAHRENHEIT OIL AND 425.0 FAHRENHEIT WATER DEGF |
| Material Document and Classification | MIL-S-872 MIL SPEC SINGLE MATERIAL RESPONSE |
| Material | STEEL |
| Reference Number Differentiating Characteristics | AS DIFFERENTIATED BY 2-1/2 IN.SIZE IN |
| Style Designator | ROUND, ONE BOLT HOLE CIRCLE |
| Operating Pressure and Type | 600.0 POUNDS PER SQUARE INCH (PSI) STEAM MAXIMUM REQUIRED AND 750.0 POUNDS PER SQUARE INCH (PSI) GAS MAXIMUM REQUIRED AND 750.0 POUNDS PER SQUARE INCH (PSI) OIL MAXIMUM REQUIRED AND 750.0 POUNDS PER SQUARE INCH (PSI) WATER MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS |
| Raised Face Diameter | 5.000 INCHES NOMINAL IN |
| Bolt Circle Diameter | 5.875 INCHES NOMINAL IN |
| Bolt Hole Quantity | 8 |
| Bolt Hole Diameter | 0.796 INCHES MINIMUM AND 0.812 INCHES MAXIMUM IN |
| Raised Face Height | 0.234 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN |
| Thickness | 1.125 INCHES MINIMUM AND 1.141 INCHES MAXIMUM IN |
| Neck Height | 2.000 INCHES MINIMUM AND 2.078 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 810-1385733 | Naval Ship Systems Command (USA) |
NSN 4730-00-256-8476 is a Flange,pipe, manufactured by Naval Ship Systems Command, classified under FSC 4730 (No Item Name Available). Status: active.
NSN 4730-00-256-8476 has 1 cross-referenced part number: 810-1385733 (Naval Ship Systems Command).
There are 4 known substitutes for 4730-00-256-8476: 4730-00-256-8475, 4730-00-256-8477, 4730-00-256-8479 and 1 more. Verify interchangeability with system specifications before substitution.
Key specifications for 810-1385733: Nominal Pipe Size for Which Designed: 2.500 INCHES IN; Face Seating Surface Condition: MACHINED; Flange Diameter: 7.500 INCHES NOMINAL IN; Flange Section Style: RAISED FACE, WELDING NECK. 17 total characteristics are documented in the Federal Logistics Information System.