The Seat,valve, cataloged under National Stock Number 4820-00-036-1101, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Schneider Electric Systems Usa Inc. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 4820-00-036-1101 |
| Primary Part Number | 18850 |
| Item Name | Seat,valve |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Schneider Electric Systems Usa Inc |
| Status | CANCELLED |
| Seating Surface Shape | FLAT |
| Material | STEEL OVERALL |
| Flange Seat to Disk End Height | 0.352 INCHES NOMINAL IN |
| Style Designator | THREADED FLANGED |
| Under Flange Height | 0.368 INCHES NOMINAL IN |
| Body Inside Diameter | 1.990 INCHES NOMINAL IN |
| Flange Diameter | 2.755 INCHES NOMINAL IN |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
NSN 4820-00-036-1101 is a Seat,valve, manufactured by Schneider Electric Systems Usa Inc, classified under FSC 4820 (No Item Name Available). Status: cancelled.
NSN 4820-00-036-1101 has 4 cross-referenced part numbers: 18850 (Schneider Electric Systems Usa Inc), 3371031 (General Motors Corp Electro-Motive Div), 11680ML (Schneider Electric Systems Usa Inc), 3371031 (Hatch & Kirk, Inc.).
There are 7 known substitutes for 4820-00-036-1101: 4720-00-278-1111, 4820-00-308-1270, 6515-00-333-9700 and 4 more. Verify interchangeability with system specifications before substitution.
Key specifications for 18850: Seating Surface Shape: FLAT; Material: STEEL OVERALL; Flange Seat to Disk End Height: 0.352 INCHES NOMINAL IN; Style Designator: THREADED FLANGED. 7 total characteristics are documented in the Federal Logistics Information System.
NSN 4820-00-036-1101 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.