The Flange,pipe, cataloged under National Stock Number 4730-01-242-6381, 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 American National Standards Institute Incorporated Dba American National Standards Institute. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 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 | 4730-01-242-6381 |
| Primary Part Number | B16.5 |
| Item Name | Flange,pipe |
| FSC / FSG | 4730 / 47 — No Item Name Available |
| Manufacturer | American National Standards Institute Incorporated Dba American National Standards Institute |
| Status | ACTIVE |
| Material Document and Classification | ASTM A105,GR1 ASSN STD SINGLE MATERIAL RESPONSE |
| Flange Section Style | PLAIN FACE, RAISED FACE (BLIND) |
| Face Seating Surface Condition | MACHINED |
| Material | STEEL |
| Style Designator | ROUND, ONE BOLT HOLE CIRCLE |
| Neck Height | 0.250 INCHES NOMINAL IN |
| Bolt Circle Diameter | 2.625 INCHES NOMINAL IN |
| Bolt Hole Diameter | 0.500 INCHES NOMINAL IN |
| Flange Diameter | 3.750 INCHES NOMINAL IN |
| Bolt Hole Quantity | 4 |
| Thickness | 0.563 INCHES NOMINAL IN |
| Nominal Pipe Size for Which Designed | 0.500 INCHES IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| B16.5 | American National Standards Institute Incorporated Dba American National Standards Institute (USA) |
| 64-1/2 | Ati Ladish Llc Dba Ati Wah Chang Div Ati Forged Products - Cudahy (USA) |
| M18180/6-052A01 | 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 |
NSN 4730-01-242-6381 is a Flange,pipe, manufactured by American National Standards Institute Incorporated Dba American National Standards Institute, classified under FSC 4730 (No Item Name Available). Status: active.
NSN 4730-01-242-6381 has 4 cross-referenced part numbers: B16.5 (American National Standards Institute Incorporated Dba American National Standards Institute), 64-1/2 (Ati Ladish Llc Dba Ati Wah Chang Div Ati Forged Products - Cudahy), M18180/6-052A01 (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).
There are 12 known substitutes for 4730-01-242-6381: 2590-00-045-3797, 3110-00-144-8556, 5999-00-222-0148 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for B16.5: Material Document and Classification: ASTM A105,GR1 ASSN STD SINGLE MATERIAL RESPONSE; Flange Section Style: PLAIN FACE, RAISED FACE (BLIND); Face Seating Surface Condition: MACHINED; Material: STEEL. 12 total characteristics are documented in the Federal Logistics Information System.