The Flange,pipe, cataloged under National Stock Number 4730-01-313-5440, 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 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-313-5440 |
| Primary Part Number | MIL-F-18180/1 |
| 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 |
| Nominal Pipe Size for Which Designed | 0.750 INCHES IN |
| Bolt Hole Diameter | 0.625 INCHES NOMINAL IN |
| Neck Height | 0.375 INCHES NOMINAL IN |
| Thickness | 0.625 INCHES NOMINAL IN |
| Raised Face Height | 0.250 INCHES NOMINAL IN |
| Specification/standard Data | 81349-MIL-F-18180/1 GOVERNMENT SPECIFICATION |
| Raised Face Diameter | 1.688 INCHES NOMINAL IN |
| Nondefinitive Spec/std Data | 1 GRADE |
| Material | STEEL |
| Face Seating Surface Condition | MACHINED |
| Flange Diameter | 4.625 INCHES NOMINAL IN |
| Bolt Hole Quantity | 4 |
| Style Designator | ROUND, ONE BOLT HOLE CIRCLE |
| Flange Section Style | RAISED FACE, WELDING NECK |
| Bolt Circle Diameter | 3.250 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| MIL-F-18180/1 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| ASTM-A-105 GR1 | American Society for Testing and Materials Dba Astm International (USA) |
| M18180/1-053A01D | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
NSN 4730-01-313-5440 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 4730-01-313-5440 has 3 cross-referenced part numbers: MIL-F-18180/1 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), ASTM-A-105 GR1 (American Society for Testing and Materials Dba Astm International), M18180/1-053A01D (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).
There are 7 known substitutes for 4730-01-313-5440: 4730-00-996-0250, 4730-01-035-1454, 4730-01-183-5948 and 4 more. Verify interchangeability with system specifications before substitution.
Key specifications for MIL-F-18180/1: Nominal Pipe Size for Which Designed: 0.750 INCHES IN; Bolt Hole Diameter: 0.625 INCHES NOMINAL IN; Neck Height: 0.375 INCHES NOMINAL IN; Thickness: 0.625 INCHES NOMINAL IN. 15 total characteristics are documented in the Federal Logistics Information System.