The Flange,pipe, cataloged under National Stock Number 4730-01-023-4253, 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 Ati Ladish Llc Dba Ati Wah Chang Div Ati Forged Products - Cudahy. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 6 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 | 4730-01-023-4253 |
| Primary Part Number | 15-4 |
| Item Name | Flange,pipe |
| FSC / FSG | 4730 / 47 — No Item Name Available |
| Manufacturer | Ati Ladish Llc Dba Ati Wah Chang Div Ati Forged Products - Cudahy |
| Status | ACTIVE |
| Material | STEEL |
| Flange Diameter | 9.000 INCHES NOMINAL IN |
| Thickness | 0.875 INCHES NOMINAL IN |
| Bolt Circle Diameter | 7.500 INCHES NOMINAL IN |
| Style Designator | ROUND, ONE BOLT HOLE CIRCLE |
| Neck Height | 2.062 INCHES NOMINAL IN |
| Operating Pressure and Type | 150.0 POUNDS PER SQUARE INCH (PSI) GAS MAXIMUM REQUIRED AND 150.0 POUNDS PER SQUARE INCH (PSI) OIL MAXIMUM REQUIRED AND 150.0 POUNDS PER SQUARE INCH (PSI) WATER MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS |
| Maximum Operating Temp and Media for Which Designed | 500.0 FAHRENHEIT GAS AND 500.0 FAHRENHEIT OIL AND 500.0 FAHRENHEIT WATER DEGF |
| Raised Face Height | 0.062 INCHES NOMINAL IN |
| Nominal Pipe Size for Which Designed | 3.500 INCHES IN |
| Raised Face Diameter | 4.625 INCHES NOMINAL IN |
| Face Seating Surface Condition | SERRATED |
| Material Document and Classification | ASTM A181,GRADE 1 ASSN STD SINGLE MATERIAL RESPONSE |
| Bolt Hole Diameter | 0.625 INCHES NOMINAL IN |
| Surface Treatment | OXIDE |
| Bolt Hole Quantity | 8 |
| Flange Section Style | RAISED FACE, WELDING NECK |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 15-4 | Ati Ladish Llc Dba Ati Wah Chang Div Ati Forged Products - Cudahy (USA) |
| B16-5-4IN-IPS150PSI-PP-FLGE | American National Standards Institute Incorporated Dba American National Standards Institute (USA) |
| ASME B16.5 | The American Society of Mechanical Engineers (USA) |
| 271-4 | Nibco Inc (USA) |
| M18180/1 010A04A | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| 568-4 | York Industries Inc (USA) |
| M18180/1-01004A | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
NSN 4730-01-023-4253 is a Flange,pipe, manufactured by Ati Ladish Llc Dba Ati Wah Chang Div Ati Forged Products - Cudahy, classified under FSC 4730 (No Item Name Available). Status: active.
NSN 4730-01-023-4253 has 7 cross-referenced part numbers: 15-4 (Ati Ladish Llc Dba Ati Wah Chang Div Ati Forged Products - Cudahy), B16-5-4IN-IPS150PSI-PP-FLGE (American National Standards Institute Incorporated Dba American National Standards Institute), ASME B16.5 (The American Society of Mechanical Engineers), 271-4 (Nibco Inc), M18180/1 010A04A (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M) and 2 more.
There are 12 known substitutes for 4730-01-023-4253: 4820-00-061-5652, 5975-00-153-6397, 5960-00-228-3786 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 15-4: Material: STEEL; Flange Diameter: 9.000 INCHES NOMINAL IN; Thickness: 0.875 INCHES NOMINAL IN; Bolt Circle Diameter: 7.500 INCHES NOMINAL IN. 18 total characteristics are documented in the Federal Logistics Information System.