The Valve,check, cataloged under National Stock Number 4820-00-555-8839, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Raytheon Company. This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 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 | Raytheon Company (CAGE 15090); Tactair Fluid Controls Inc Western Hydraulics Div (CAGE 04823); Hughes Missile Systems Co San Diego (CAGE 14170); Tactair Fluid Controls Inc Phoenix Controls Div (CAGE 57817) |
| Parameter | Value |
|---|---|
| NSN | 4820-00-555-8839 |
| Primary Part Number | 8-00430-1 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Raytheon Company |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 4820-00-555-8839 is a Valve,check, manufactured by Raytheon Company, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-00-555-8839 has 4 cross-referenced part numbers: 8-00430-1 (Raytheon Company), 300030-1 (Tactair Fluid Controls Inc Western Hydraulics Div), 8-00430-1 (Hughes Missile Systems Co San Diego), 300030-1 (Tactair Fluid Controls Inc Phoenix Controls Div).
There are 3 known substitutes for 4820-00-555-8839: 5910-00-172-8283, 5855-01-246-6806, 5998-01-700-0230. Verify interchangeability with system specifications before substitution.