The Flange,pipe, cataloged under National Stock Number 4730-00-256-8479, 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-256-8479 |
| Primary Part Number | 810-1385733 |
| Item Name | Flange,pipe |
| FSC / FSG | 4730 / 47 — No Item Name Available |
| Manufacturer | Naval Ship Systems Command |
| Status | ACTIVE |
| Flange Diameter | 10.000 INCHES NOMINAL IN |
| Nominal Pipe Size for Which Designed | 4.000 INCHES IN |
| Flange Section Style | RAISED FACE, WELDING NECK |
| Face Seating Surface Condition | MACHINED |
| Maximum Operating Temp and Media for Which Designed | 850.0 FAHRENHEIT STEAM AND 425.0 FAHRENHEIT WATER DEGF |
| Material | STEEL |
| Material Document and Classification | MIL-S-872 MIL SPEC SINGLE MATERIAL RESPONSE |
| Reference Number Differentiating Characteristics | AS DIFFERENTIATED BY 4.000 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 |
| Style Designator | ROUND, ONE BOLT HOLE CIRCLE |
| Raised Face Diameter | 6.875 INCHES NOMINAL IN |
| Bolt Circle Diameter | 7.875 INCHES NOMINAL IN |
| Neck Height | 2.500 INCHES NOMINAL IN |
| Bolt Hole Diameter | 0.938 INCHES NOMINAL IN |
| Raised Face Height | 0.250 INCHES NOMINAL IN |
| Thickness | 1.500 INCHES NOMINAL IN |
| Bolt Hole Quantity | 8 |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 810-1385733 | Naval Ship Systems Command (USA) |
| 1385733 | Naval Ship Systems Command (USA) |
NSN 4730-00-256-8479 is a Flange,pipe, manufactured by Naval Ship Systems Command, classified under FSC 4730 (No Item Name Available). Status: active.
NSN 4730-00-256-8479 has 2 cross-referenced part numbers: 810-1385733 (Naval Ship Systems Command), 1385733 (Naval Ship Systems Command).
There are 4 known substitutes for 4730-00-256-8479: 4730-00-256-8475, 4730-00-256-8476, 4730-00-256-8477 and 1 more. Verify interchangeability with system specifications before substitution.
Key specifications for 810-1385733: Flange Diameter: 10.000 INCHES NOMINAL IN; Nominal Pipe Size for Which Designed: 4.000 INCHES IN; Flange Section Style: RAISED FACE, WELDING NECK; Face Seating Surface Condition: MACHINED. 17 total characteristics are documented in the Federal Logistics Information System.