The Valve,restrictor Check, cataloged under National Stock Number 4820-00-123-1902, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Eaton Aerospace Llc Dba Eaton Aerospace Jackson. This item has 3 commercial cross-references from 3 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,restrictor Check |
| FSC / FSG | 4820 — No Item Name Available (FSG 48) |
| Manufacturers | Northrop Grumman Systems Corporation (CAGE 26512); Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Northrop Grumman Aeronautics Systems (CAGE 61174); Eaton Aerospace Llc Dba Eaton Aerospace Jackson (CAGE 99643) |
| Parameter | Value |
|---|---|
| NSN | 4820-00-123-1902 |
| Primary Part Number | 45510-1 |
| Item Name | Valve,restrictor Check |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Eaton Aerospace Llc Dba Eaton Aerospace Jackson |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| A51H9223-1 | Northrop Grumman Systems Corporation (USA) |
| A51H9223-1 | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Northrop Grumman Aeronautics Systems (USA) |
| 45510-1 PRIMARY | Eaton Aerospace Llc Dba Eaton Aerospace Jackson (USA) |
NSN 4820-00-123-1902 is a Valve,restrictor Check, manufactured by Eaton Aerospace Llc Dba Eaton Aerospace Jackson, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-00-123-1902 has 3 cross-referenced part numbers: A51H9223-1 (Northrop Grumman Systems Corporation), A51H9223-1 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Northrop Grumman Aeronautics Systems), 45510-1 (Eaton Aerospace Llc Dba Eaton Aerospace Jackson).
There are 3 known substitutes for 4820-00-123-1902: 5935-00-108-4972, 6220-00-577-3434, 6685-01-103-6583. Verify interchangeability with system specifications before substitution.