The Gear Operator,valve, cataloged under National Stock Number 4820-01-398-3479, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is R G Rollin Co. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4820-01-398-3479 |
| Primary Part Number | KR610-90V-12BR |
| Item Name | Gear Operator,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | R G Rollin Co |
| Status | ACTIVE |
| Valve Type for Which Designed | BUTTERFLY |
| 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 |
|---|---|
| KR640402 ASSY KR610-90V-12BR | R G Rollin Co (USA) |
| KR610-90V-12BR PRIMARY | R G Rollin Co (USA) |
| Reference | Meaning |
|---|---|
| KR610-90V-12BR | C/1 Advisory reference — outside the item-of-supply concept Mark-Tex Corp |
NSN 4820-01-398-3479 is a Gear Operator,valve, manufactured by R G Rollin Co, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-398-3479 has 2 manufacturer part numbers on file: KR640402 ASSY KR610-90V-12BR (R G Rollin Co), KR610-90V-12BR (R G Rollin Co).
Key specifications for KR610-90V-12BR: Valve Type for Which Designed: BUTTERFLY. 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.