The Seat,valve, cataloged under National Stock Number 4820-00-337-1100, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Naval Ship Systems Command. This item has 18 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Item Name | Seat,valve |
| FSC / FSG | 4820 — No Item Name Available (FSG 48) |
| Manufacturers | Naval Ship Systems Command (CAGE 80064); Westinghouse Electric Corp (CAGE 79500); Westinghouse Electric Corp Sturtevant Div (CAGE 80231) |
| Parameter | Value |
|---|---|
| NSN | 4820-00-337-1100 |
| Primary Part Number | DD423S47-0123PC6 |
| Item Name | Seat,valve |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Naval Ship Systems Command |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| DD423S47-0123PC6 | Naval Ship Systems Command (USA) |
| DD423S47-0122PC6 | Naval Ship Systems Command (USA) |
| DD423S47-0103PC6 | Naval Ship Systems Command (USA) |
| D15-509WPC677 | Westinghouse Electric Corp (USA) |
| DD423S47-0118PC6 | Naval Ship Systems Command (USA) |
| D15-509BPC677 | Westinghouse Electric Corp Sturtevant Div (USA) |
| DD423S47-221PC67 | Naval Ship Systems Command (USA) |
| 9959 | Westinghouse Electric Corp Sturtevant Div (USA) |
| D15-509VPC677 | Westinghouse Electric Corp Sturtevant Div (USA) |
| 9959 | Westinghouse Electric Corp (USA) |
| DD423S47-0124PC6 | Naval Ship Systems Command (USA) |
| D15-509WPC677 | Westinghouse Electric Corp Sturtevant Div (USA) |
| D15-509UPC677 | Westinghouse Electric Corp Sturtevant Div (USA) |
| D15-509VPC677 | Westinghouse Electric Corp (USA) |
| D15-509BPC677 | Westinghouse Electric Corp (USA) |
| D15-509NPC677 | Westinghouse Electric Corp (USA) |
| D15-509UPC677 | Westinghouse Electric Corp (USA) |
| D15-509NPC677 | Westinghouse Electric Corp Sturtevant Div (USA) |
NSN 4820-00-337-1100 is a Seat,valve, manufactured by Naval Ship Systems Command, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-00-337-1100 has 18 cross-referenced part numbers: DD423S47-0123PC6 (Naval Ship Systems Command), DD423S47-0122PC6 (Naval Ship Systems Command), DD423S47-0103PC6 (Naval Ship Systems Command), D15-509WPC677 (Westinghouse Electric Corp), DD423S47-0118PC6 (Naval Ship Systems Command) and 13 more.
There are 10 known substitutes for 4820-00-337-1100: 3110-00-120-3094, 4730-00-274-9207, 5325-00-803-7321 and 7 more. Verify interchangeability with system specifications before substitution.