The Flange,pipe, cataloged under National Stock Number 4730-01-243-1433, 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 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 12 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-243-1433 |
| Primary Part Number | M18180/6-057B01 |
| Item Name | Flange,pipe |
| FSC / FSG | 4730 / 47 — No Item Name Available |
| Manufacturer | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| Status | ACTIVE |
| Neck Height | 0.250 INCHES NOMINAL IN |
| Material Document and Classification | ASTM A105,GR 1 ASSN STD SINGLE MATERIAL RESPONSE |
| Flange Diameter | 6.500 INCHES NOMINAL IN |
| Material | STEEL |
| Bolt Hole Quantity | 8 |
| Bolt Circle Diameter | 5.000 INCHES NOMINAL IN |
| Style Designator | ROUND, ONE BOLT HOLE CIRCLE |
| Face Seating Surface Condition | MACHINED |
| Bolt Hole Diameter | 0.625 INCHES NOMINAL IN |
| Thickness | 1.000 INCHES NOMINAL IN |
| Flange Section Style | PLAIN FACE, RAISED FACE (BLIND) |
| Nominal Pipe Size for Which Designed | 2.000 INCHES IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| M18180/6-057B01 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| MIL-F-18180 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| B16.5 | American National Standards Institute Incorporated Dba American National Standards Institute (USA) |
| 16050-2INCH | Ati Ladish Llc Dba Ati Wah Chang Div Ati Forged Products - Cudahy (USA) |
| 64-2 | Ati Ladish Llc Dba Ati Wah Chang Div Ati Forged Products - Cudahy (USA) |
NSN 4730-01-243-1433 is a Flange,pipe, manufactured by Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 4730 (No Item Name Available). Status: active.
NSN 4730-01-243-1433 has 5 cross-referenced part numbers: M18180/6-057B01 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-F-18180 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), B16.5 (American National Standards Institute Incorporated Dba American National Standards Institute), 16050-2INCH (Ati Ladish Llc Dba Ati Wah Chang Div Ati Forged Products - Cudahy), 64-2 (Ati Ladish Llc Dba Ati Wah Chang Div Ati Forged Products - Cudahy).
There are 12 known substitutes for 4730-01-243-1433: 6135-00-145-8884, 5965-00-163-4184, 3030-00-215-5104 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for M18180/6-057B01: Neck Height: 0.250 INCHES NOMINAL IN; Material Document and Classification: ASTM A105,GR 1 ASSN STD SINGLE MATERIAL RESPONSE; End Item Identification: NAVAL APPLICATIONS; Flange Diameter: 6.500 INCHES NOMINAL IN. 13 total characteristics are documented in the Federal Logistics Information System.