The Seat,valve, cataloged under National Stock Number 4820-00-175-8816, 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 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 10 commercial cross-references from 3 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 | 4820-00-175-8816 |
| Primary Part Number | D15-443BPC88 |
| Item Name | Seat,valve |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Northrop Grumman Systems Corporation Div Marine Systems |
| Status | ACTIVE |
| Material | STEEL OVERALL |
| Style Designator | THREADED FLANGED |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| D15-443BPC88 PRIMARY | Northrop Grumman Systems Corporation Div Marine Systems (USA) |
| D15-443IPC88 | Westinghouse Electric Corp (USA) |
| D15-443EPC88 | Northrop Grumman Systems Corporation Div Marine Systems (USA) |
| D15-443JPC88 | Northrop Grumman Systems Corporation Div Marine Systems (USA) |
| 9918 PRIMARY | Northrop Grumman Systems Corporation Div Marine Systems (USA) |
| D15-443BPC88 | Westinghouse Electric Corp (USA) |
| D15-443IPC88 | Northrop Grumman Systems Corporation Div Marine Systems (USA) |
| D15-443JPC88 | Westinghouse Electric Corp (USA) |
| D15-443EPC88 | Westinghouse Electric Corp (USA) |
| 9918 | Westinghouse Electric Corp Sturtevant Div (USA) |
NSN 4820-00-175-8816 is a Seat,valve, manufactured by Northrop Grumman Systems Corporation Div Marine Systems, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-00-175-8816 has 10 cross-referenced part numbers: D15-443BPC88 (Northrop Grumman Systems Corporation Div Marine Systems), D15-443IPC88 (Westinghouse Electric Corp), D15-443EPC88 (Northrop Grumman Systems Corporation Div Marine Systems), D15-443JPC88 (Northrop Grumman Systems Corporation Div Marine Systems), 9918 (Northrop Grumman Systems Corporation Div Marine Systems) and 5 more.
There are 9 known substitutes for 4820-00-175-8816: 5306-00-407-6433, 5950-00-421-8943, 5330-00-476-3586 and 6 more. Verify interchangeability with system specifications before substitution.
Key specifications for D15-443BPC88: Material: STEEL OVERALL; Style Designator: THREADED FLANGED. 2 total characteristics are documented in the Federal Logistics Information System.