The Gear Operator,valve, cataloged under National Stock Number 4820-01-412-5244, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Cunico Corporation. Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-412-5244 |
| Primary Part Number | 85-641 |
| Item Name | Gear Operator,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Cunico Corporation |
| Status | ACTIVE |
| Gear Type | WORM |
| Material Document and Classification | ASTM A536-80 ASSN STD SINGLE MATERIAL RESPONSE |
| Features Provided | INDICATOR GAGE |
| Material | IRON |
| Gear Ratio | 60 TO 1 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 4820-01-412-5244 is a Gear Operator,valve, manufactured by Cunico Corporation, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-412-5244 has 2 manufacturer part numbers on file: 85-641 (Cunico Corporation), CM (Cunico Corporation).
Key specifications for 85-641: Gear Type: WORM; Material Document and Classification: ASTM A536-80 ASSN STD SINGLE MATERIAL RESPONSE; Features Provided: INDICATOR GAGE; Material: IRON. 5 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.