The Flange,pipe, cataloged under National Stock Number 4730-01-023-7777, 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 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-023-7777 |
| Primary Part Number | 65-1 1/4 SCHED |
| 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 |
| Flange Diameter | 5.250 INCHES NOMINAL IN |
| Operating Pressure and Type | 600.0 POUNDS PER SQUARE INCH (PSI) GAS MAXIMUM REQUIRED AND 600.0 POUNDS PER SQUARE INCH (PSI) OIL MAXIMUM REQUIRED AND 600.0 POUNDS PER SQUARE INCH (PSI) WATER MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS |
| Raised Face Height | 0.250 INCHES NOMINAL IN |
| Style Designator | ROUND, ONE BOLT HOLE CIRCLE |
| Surface Treatment | PRIMER |
| Bolt Circle Diameter | 3.875 INCHES NOMINAL IN |
| Raised Face Diameter | 2.500 INCHES NOMINAL IN |
| Neck Height | 0.312 INCHES MINIMUM AND 0.350 INCHES MAXIMUM IN |
| Face Seating Surface Condition | GROUND |
| Socket Diameter | 1.700 INCHES NOMINAL IN |
| Material Document and Classification | ASTM A105,GRADE 2 ASSN STD SINGLE MATERIAL RESPONSE |
| Bolt Hole Quantity | 4 |
| Thickness | 0.812 INCHES MINIMUM AND 0.835 INCHES MAXIMUM IN |
| Bolt Hole Diameter | 0.625 INCHES MINIMUM AND 0.703 INCHES MAXIMUM IN |
| Nominal Pipe Size for Which Designed | 1.250 INCHES IN |
| Material | STEEL |
| Flange Section Style | RAISED FACE, SOCKET NECK |
| Socket Depth | 0.562 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 65-1 1/4 SCHED | Ati Ladish Llc Dba Ati Wah Chang Div Ati Forged Products - Cudahy (USA) |
| M1818012-55A01A | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| ASME B16.5 | American National Standards Institute Incorporated Dba American National Standards Institute (USA) |
| 65-1-1/4 | Ati Ladish Llc Dba Ati Wah Chang Div Ati Forged Products - Cudahy (USA) |
| B16-5-1-1-4IN-IPS600PSI-PP-FLGE | American National Standards Institute Incorporated Dba American National Standards Institute (USA) |
NSN 4730-01-023-7777 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 4730-01-023-7777 has 5 cross-referenced part numbers: 65-1 1/4 SCHED (Ati Ladish Llc Dba Ati Wah Chang Div Ati Forged Products - Cudahy), M1818012-55A01A (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), ASME B16.5 (American National Standards Institute Incorporated Dba American National Standards Institute), 65-1-1/4 (Ati Ladish Llc Dba Ati Wah Chang Div Ati Forged Products - Cudahy), B16-5-1-1-4IN-IPS600PSI-PP-FLGE (American National Standards Institute Incorporated Dba American National Standards Institute).
There are 5 known substitutes for 4730-01-023-7777: 6620-00-514-3829, 4820-00-892-5904, 5940-00-914-3114 and 2 more. Verify interchangeability with system specifications before substitution.
Key specifications for 65-1 1/4 SCHED: Flange Diameter: 5.250 INCHES NOMINAL IN; Operating Pressure and Type: 600.0 POUNDS PER SQUARE INCH (PSI) GAS MAXIMUM REQUIRED AND 600.0 POUNDS PER SQUARE INCH (PSI) OIL MAXIMUM REQUIRED AND 600.0 POUNDS PER SQUARE INCH (PSI) WATER MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS; Raised Face Height: 0.250 INCHES NOMINAL IN; Style Designator: ROUND, ONE BOLT HOLE CIRCLE. 18 total characteristics are documented in the Federal Logistics Information System.