The Seat,valve, cataloged under National Stock Number 4820-00-218-6079, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Northrop Grumman Systems Corporation Div Marine Systems. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 18 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 | 4820-00-218-6079 |
| Primary Part Number | 9962 |
| Item Name | Seat,valve |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Northrop Grumman Systems Corporation Div Marine Systems |
| Status | ACTIVE |
| Flange Diameter | 2.500 INCHES NOMINAL IN |
| Seat Angle in Deg | 45.000 NOMINAL |
| Flange Seat to Disk End Height | 0.250 INCHES NOMINAL IN |
| Style Designator | THREADED FLANGED |
| Under Flange Height | 0.688 INCHES NOMINAL IN |
| Seating Surface Shape | ANGULAR |
| Body Inside Diameter | 1.500 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| D15-631BPC642 | Westinghouse Electric Corp (USA) |
| D15-631BPC642 | Northrop Grumman Systems Corporation Div Marine Systems (USA) |
| D15-631RPC642 | Westinghouse Electric Corp (USA) |
| D15-631RPC642 | Northrop Grumman Systems Corporation Div Marine Systems (USA) |
| D15-631JPC642 | Northrop Grumman Systems Corporation Div Marine Systems (USA) |
| D15-631BPC642 | Westinghouse Electric Corp Sturtevant Div (USA) |
| D15-631JPC642 | Westinghouse Electric Corp Sturtevant Div (USA) |
| 9962 | Westinghouse Electric Corp (USA) |
| 9962 PRIMARY | Northrop Grumman Systems Corporation Div Marine Systems (USA) |
| 9962 | Westinghouse Electric Corp Sturtevant Div (USA) |
| D15-631QPC642 | Westinghouse Electric Corp Sturtevant Div (USA) |
| D15-631PPC642 | Northrop Grumman Systems Corporation Div Marine Systems (USA) |
| D15-631PPC642 | Westinghouse Electric Corp (USA) |
| D15-631QPC642 | Northrop Grumman Systems Corporation Div Marine Systems (USA) |
| D15-631RPC642 | Westinghouse Electric Corp Sturtevant Div (USA) |
| D15-631JPC642 | Westinghouse Electric Corp (USA) |
| D15-631PPC642 | Westinghouse Electric Corp Sturtevant Div (USA) |
| D15-631QPC642 | Westinghouse Electric Corp (USA) |
NSN 4820-00-218-6079 is a Seat,valve, manufactured by Northrop Grumman Systems Corporation Div Marine Systems, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-00-218-6079 has 18 cross-referenced part numbers: D15-631BPC642 (Westinghouse Electric Corp), D15-631BPC642 (Northrop Grumman Systems Corporation Div Marine Systems), D15-631RPC642 (Westinghouse Electric Corp), D15-631RPC642 (Northrop Grumman Systems Corporation Div Marine Systems), D15-631JPC642 (Northrop Grumman Systems Corporation Div Marine Systems) and 13 more.
There are 12 known substitutes for 4820-00-218-6079: 5962-00-101-9714, 5120-00-112-9345, 5962-00-190-4071 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 9962: Flange Diameter: 2.500 INCHES NOMINAL IN; Seat Angle in Deg: 45.000 NOMINAL; Flange Seat to Disk End Height: 0.250 INCHES NOMINAL IN; Style Designator: THREADED FLANGED. 7 total characteristics are documented in the Federal Logistics Information System.