The Flange,pipe, cataloged under National Stock Number 4730-01-267-2061, 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 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-267-2061 |
| Primary Part Number | 20-2 1/2 |
| 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 |
| Thickness | 0.875 INCHES NOMINAL IN |
| Face Seating Surface Condition | MACHINED |
| Bolt Circle Diameter | 5.500 INCHES NOMINAL IN |
| Material | STEEL |
| Flange Diameter | 7.000 INCHES NOMINAL IN |
| Maximum Operating Temp and Media for Which Designed | 500.0 FAHRENHEIT ANY ACCEPTABLE DEGF |
| Bolt Hole Quantity | 4 |
| Style Designator | ROUND, ONE BOLT HOLE CIRCLE |
| Nominal Pipe Size for Which Designed | 2.500 INCHES IN |
| Bolt Hole Diameter | 0.625 INCHES NOMINAL IN |
| Socket Diameter | 2.938 INCHES NOMINAL IN |
| Neck Height | 0.250 INCHES NOMINAL IN |
| Socket Depth | 0.750 INCHES NOMINAL IN |
| Flange Section Style | PLAIN FACE, SOCKET NECK |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| MIL-F-18180/2 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| 29516 | Crane Co Midwest Fittings Div (USA) |
| M18180/207B01A | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| 20-2 1/2 PRIMARY | Ati Ladish Llc Dba Ati Wah Chang Div Ati Forged Products - Cudahy (USA) |
| SWF-7182-2 1/2 PRIMARY | Flowserve Inc (USA) |
| B16.5 | The American Society of Mechanical Engineers (USA) |
NSN 4730-01-267-2061 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 4730-01-267-2061 has 6 cross-referenced part numbers: MIL-F-18180/2 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 29516 (Crane Co Midwest Fittings Div), M18180/207B01A (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 20-2 1/2 (Ati Ladish Llc Dba Ati Wah Chang Div Ati Forged Products - Cudahy), SWF-7182-2 1/2 (Flowserve Inc) and 1 more.
There are 9 known substitutes for 4730-01-267-2061: 4730-00-235-4078, 4730-01-022-5679, 2530-01-030-3926 and 6 more. Verify interchangeability with system specifications before substitution.
Key specifications for 20-2 1/2: Thickness: 0.875 INCHES NOMINAL IN; Face Seating Surface Condition: MACHINED; Bolt Circle Diameter: 5.500 INCHES NOMINAL IN; Material: STEEL. 15 total characteristics are documented in the Federal Logistics Information System.