The Flange,pipe,blind, cataloged under National Stock Number 4730-01-161-2055, 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 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-161-2055 |
| Primary Part Number | 100-4641866-FTG NO.17 E 4-C |
| Item Name | Flange,pipe,blind |
| FSC / FSG | 4730 / 47 — No Item Name Available |
| Manufacturer | Electric Boat Corporation Div General Dynamics Electric Boat |
| Status | ACTIVE |
| Thickness | 3.360 INCHES NOMINAL IN |
| Bolt Hole Quantity | 12 |
| Face Seating Surface Condition | MACHINED |
| Material | NICKEL ALLOY |
| Material Document and Classification | QQ-N-281,CL A FED SPEC SINGLE MATERIAL RESPONSE |
| Style Designator | ROUND, ONE BOLT HOLE CIRCLE |
| Raised Face Diameter | 7.500 INCHES NOMINAL IN |
| Flange Diameter | 9.750 INCHES NOMINAL IN |
| Bolt Circle Diameter | 8.250 INCHES NOMINAL IN |
| Raised Face Height | 0.020 INCHES NOMINAL IN |
| Groove Depth | 0.105 INCHES NOMINAL IN |
| Flange Section Style | TONGUED FACE (BLIND) |
| Groove Width | 0.190 INCHES NOMINAL IN |
| Bolt Hole Diameter | 0.690 INCHES NOMINAL IN |
| Recess Diameter | 6.000 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 100-4641866-FTG NO.17 E 4-C PRIMARY | Electric Boat Corporation Div General Dynamics Electric Boat (USA) |
| 100-4641865 ITEM 19 | Naval Ship Systems Command (USA) |
| 100-4641866 | Electric Boat Corporation Div General Dynamics Electric Boat (USA) |
| 100-4641865 | Naval Ship Systems Command (USA) |
NSN 4730-01-161-2055 is a Flange,pipe,blind, manufactured by Electric Boat Corporation Div General Dynamics Electric Boat, classified under FSC 4730 (No Item Name Available). Status: active.
NSN 4730-01-161-2055 has 4 cross-referenced part numbers: 100-4641866-FTG NO.17 E 4-C (Electric Boat Corporation Div General Dynamics Electric Boat), 100-4641865 ITEM 19 (Naval Ship Systems Command), 100-4641866 (Electric Boat Corporation Div General Dynamics Electric Boat), 100-4641865 (Naval Ship Systems Command).
There are 9 known substitutes for 4730-01-161-2055: 5305-00-724-7266, 4820-01-115-8340, 4820-01-116-5999 and 6 more. Verify interchangeability with system specifications before substitution.
Key specifications for 100-4641866-FTG NO.17 E 4-C: Thickness: 3.360 INCHES NOMINAL IN; Bolt Hole Quantity: 12; Face Seating Surface Condition: MACHINED; Material: NICKEL ALLOY. 15 total characteristics are documented in the Federal Logistics Information System.