The Gear Operator,valve, cataloged under National Stock Number 4820-01-398-4586, 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 2 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-398-4586 |
| Primary Part Number | KR610-95V-1 |
| Item Name | Gear Operator,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | R G Rollin Co |
| Status | ACTIVE |
| Valve Type for Which Designed | BUTTERFLY |
| Features Provided | HANDWHEEL |
| 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 |
|---|---|
| KR610-95V-1 PRIMARY | R G Rollin Co (USA) |
| Reference | Meaning |
|---|---|
| KR920728 | D/9 Drawing number reference only R G Rollin Co |
NSN 4820-01-398-4586 is a Gear Operator,valve, manufactured by R G Rollin Co, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-398-4586 has 1 manufacturer part number on file: KR610-95V-1 (R G Rollin Co).
1 possible match (shared part number, not a government interchangeability claim): 4820-01-408-0179. Verify interchangeability with system specifications before substitution.
Key specifications for KR610-95V-1: Valve Type for Which Designed: BUTTERFLY; Features Provided: HANDWHEEL; Special Features: SILICONE BRONZE HOUSING MATERIAL. 2 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.