The Flange,pipe, cataloged under National Stock Number 4730-00-893-3768, 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 Electric Boat Corporation Div General Dynamics Electric Boat. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 4730-00-893-3768 |
| Primary Part Number | 2640-068PC17-4IN |
| Item Name | Flange,pipe |
| FSC / FSG | 4730 / 47 — No Item Name Available |
| Manufacturer | Electric Boat Corporation Div General Dynamics Electric Boat |
| Status | CANCELLED |
| Bolt Hole Diameter | 0.687 INCHES NOMINAL IN |
| Thickness | 1.000 INCHES NOMINAL IN |
| Style Designator | ROUND, ONE BOLT HOLE CIRCLE |
| Surface Treatment | OXIDE |
| Face Seating Surface Condition | UNFINISHED |
| Bolt Circle Diameter | 7.187 INCHES NOMINAL IN |
| Flange Diameter | 8.688 INCHES NOMINAL IN |
| Material | STEEL |
| Material Document and Classification | MIL-S-16113 TYPE 1 MIL SPEC SINGLE MATERIAL RESPONSE |
| Bolt Hole Quantity | 10 |
| Flange Section Style | PLAIN FACE |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 2641-068ASSYIRK | Electric Boat Corporation Div General Dynamics Electric Boat (USA) |
| SS845-1889817 | Naval Ship Systems Command (USA) |
| 2640-068PC17-4IN PRIMARY | Electric Boat Corporation Div General Dynamics Electric Boat (USA) |
| 641-068ASSYIRKPC26 | Standard Plastics Co Inc Precision Materials Div Sub of Augat Inc (USA) |
| 2641-068ASSY1RKPC26 PRIMARY | Electric Boat Corporation Div General Dynamics Electric Boat (USA) |
| 202994PC17ASSYR | Huntington Ingalls Inc Div Newport News Shipbuilding (USA) |
| SS845-1889817-17 | Naval Ship Systems Command (USA) |
| 2641-068ASSY1RK | Electric Boat Corporation Div General Dynamics Electric Boat (USA) |
| 2640-068 | Electric Boat Corporation Div General Dynamics Electric Boat (USA) |
NSN 4730-00-893-3768 is a Flange,pipe, manufactured by Electric Boat Corporation Div General Dynamics Electric Boat, classified under FSC 4730 (No Item Name Available). Status: cancelled.
NSN 4730-00-893-3768 has 9 cross-referenced part numbers: 2641-068ASSYIRK (Electric Boat Corporation Div General Dynamics Electric Boat), SS845-1889817 (Naval Ship Systems Command), 2640-068PC17-4IN (Electric Boat Corporation Div General Dynamics Electric Boat), 641-068ASSYIRKPC26 (Standard Plastics Co Inc Precision Materials Div Sub of Augat Inc), 2641-068ASSY1RKPC26 (Electric Boat Corporation Div General Dynamics Electric Boat) and 4 more.
There are 6 known substitutes for 4730-00-893-3768: 4730-00-064-8584, 4730-00-064-8585, 4730-00-177-1815 and 3 more. Verify interchangeability with system specifications before substitution.
Key specifications for 2640-068PC17-4IN: Bolt Hole Diameter: 0.687 INCHES NOMINAL IN; Thickness: 1.000 INCHES NOMINAL IN; Style Designator: ROUND, ONE BOLT HOLE CIRCLE; Surface Treatment: OXIDE. 12 total characteristics are documented in the Federal Logistics Information System.
NSN 4730-00-893-3768 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.