The Gear Operator,valve, cataloged under National Stock Number 4820-01-559-4035, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4820-01-559-4035 |
| Primary Part Number | 845-5580582 ITEM 36 |
| Item Name | Gear Operator,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Criticality Code Justification | AGAV |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | S |
| Part Number | Manufacturer |
|---|---|
| 845-5580582 ITEM 36 | Naval Sea Systems Command (USA) |
| 845-5765849 ASSY B | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 2640-009-02 ASSY B | 3/2 Design control — primary reference U.S. Government activity |
NSN 4820-01-559-4035 is a Gear Operator,valve, manufactured by Naval Sea Systems Command, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-559-4035 has 2 manufacturer part numbers on file: 845-5580582 ITEM 36 (Naval Sea Systems Command), 845-5765849 ASSY B (Naval Sea Systems Command).
Key specifications for 845-5580582 ITEM 36: Criticality Code Justification: AGAV; Part Name Assigned by Controlling Agency: (INAVY)LOCKING DEVICE; End Item Identification: VALVE B GLB 2.00IPS 700PSI BTWLD CUNI. 1 specification is 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.