The Valve,check, cataloged under National Stock Number 4820-00-189-0810, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Rtx Corporation Div Pratt & Whitney. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Item Name | Valve,check |
| FSC / FSG | 4820 — No Item Name Available (FSG 48) |
| Manufacturers | Hamilton Sundstrand Corporation (CAGE 99167); Rtx Corporation Div Pratt & Whitney (CAGE 55820) |
| Parameter | Value |
|---|---|
| NSN | 4820-00-189-0810 |
| Primary Part Number | 18410-1 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Rtx Corporation Div Pratt & Whitney |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 4820-00-189-0810 is a Valve,check, manufactured by Rtx Corporation Div Pratt & Whitney, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-00-189-0810 has 2 cross-referenced part numbers: 18410-1 (Hamilton Sundstrand Corporation), 18410-1 (Rtx Corporation Div Pratt & Whitney).
There are 5 known substitutes for 4820-00-189-0810: 1310-00-028-4585, 3040-00-896-5968, 4720-01-014-4915 and 2 more. Verify interchangeability with system specifications before substitution.