The Stem,fluid Valve, cataloged under National Stock Number 4820-01-222-5474, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-222-5474 |
| Primary Part Number | 90199-2 |
| Item Name | Stem,fluid Valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 7165F42B ITEM 2 | Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok (USA) |
| 90199-2 PRIMARY | Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok (USA) |
| Reference | Meaning |
|---|---|
| 90199-2 | 5/9 Secondary reference Hocircor Instrumentation Ltd |
| 90199-1 | 5/9 Secondary reference Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok |
| N8211G6Y/MM-1 ITEM 12 | C/1 Advisory reference — outside the item-of-supply concept Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok |
| 7165F42B | D/9 Drawing number reference only Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok |
NSN 4820-01-222-5474 is a Stem,fluid Valve, manufactured by Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-222-5474 has 2 manufacturer part numbers on file: 7165F42B ITEM 2 (Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok), 90199-2 (Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok).
Key specifications for 90199-2: Special Features: STEEL,CORROSION RESISTING,QQ-S-764,CLASS 303. 0 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.