The Valve,check, cataloged under National Stock Number 4820-01-145-5907, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Meggitt North Hollywood Inc. This item has 10 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Item Name | Valve,check |
| FSC / FSG | 4820 — No Item Name Available (FSG 48) |
| Manufacturers | Meggitt North Hollywood Inc (CAGE 79318); The Boeing Company Div Legacy Wichita (CAGE 82918); Bahr Machine Company Inc Dba Bahr Machine Co (CAGE 75201) |
| Parameter | Value |
|---|---|
| NSN | 4820-01-145-5907 |
| Primary Part Number | 458-50004-503 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Meggitt North Hollywood Inc |
| Status | CANCELLED |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 420945-2 | Meggitt North Hollywood Inc (USA) |
| 420945-1 | Meggitt North Hollywood Inc (USA) |
| 420945 | Meggitt North Hollywood Inc (USA) |
| 458-50004-503 PRIMARY | Meggitt North Hollywood Inc (USA) |
| 458-50004-1 | The Boeing Company Div Legacy Wichita (USA) |
| 458-50004-503 | Bahr Machine Company Inc Dba Bahr Machine Co (USA) |
| 458-50004-502 | The Boeing Company Div Legacy Wichita (USA) |
| 8100-1 | Bahr Machine Company Inc Dba Bahr Machine Co (USA) |
| 458-50004-503 | The Boeing Company Div Legacy Wichita (USA) |
| 420945-4 | Meggitt North Hollywood Inc (USA) |
NSN 4820-01-145-5907 is a Valve,check, manufactured by Meggitt North Hollywood Inc, classified under FSC 4820 (No Item Name Available). Status: cancelled.
NSN 4820-01-145-5907 has 10 cross-referenced part numbers: 420945-2 (Meggitt North Hollywood Inc), 420945-1 (Meggitt North Hollywood Inc), 420945 (Meggitt North Hollywood Inc), 458-50004-503 (Meggitt North Hollywood Inc), 458-50004-1 (The Boeing Company Div Legacy Wichita) and 5 more.
There are 12 known substitutes for 4820-01-145-5907: 5340-00-153-7668, 2815-00-361-2721, 3040-00-538-1595 and 9 more. Verify interchangeability with system specifications before substitution.
NSN 4820-01-145-5907 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.