The Valve,butterfly, cataloged under National Stock Number 4820-01-553-6679, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Leslie Controls, Inc. Dba Leslie Controls Inc. Government technical data includes 10 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-553-6679 |
| Primary Part Number | YCL78122 |
| Item Name | Valve,butterfly |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Leslie Controls, Inc. Dba Leslie Controls Inc |
| Status | ACTIVE |
| Furnished Items and Quantity | 1 HANDWHEEL |
| Style Designator | STRAIGHT THRU |
| Valve Size | 12.000 INCHES IN |
| Specification/standard Data | MIL-V-24624 GOVERNMENT SPECIFICATION |
| Nondefinitive Spec/std Data | A CLASS AND III TYPE |
| Media for Which Designed | FUEL/OIL, HYDROCARBON SINGLE RESPONSE |
| Material | COPPER ALLOY BODY |
| Material | NICKEL ALLOY FLOW CONTROL DEVICE |
| Material | COPPER ALLOY SEAT |
| Valve Operation Method | MANUAL |
| 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 |
|---|---|
| YCL78122 PRIMARY | Leslie Controls, Inc. Dba Leslie Controls Inc (USA) |
| Reference | Meaning |
|---|---|
| 295-00-274 | D/9 Drawing number reference only Leslie Controls, Inc. Dba Leslie Controls Inc |
| MIL-DTL-24624 | 4/1 Identification reference U.S. Government activity |
| MIL-V-24624 | 5/9 Secondary reference U.S. Government activity |
NSN 4820-01-553-6679 is a Valve,butterfly, manufactured by Leslie Controls, Inc. Dba Leslie Controls Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-553-6679 has 1 manufacturer part number on file: YCL78122 (Leslie Controls, Inc. Dba Leslie Controls Inc).
Key specifications for YCL78122: Furnished Items and Quantity: 1 HANDWHEEL; Style Designator: STRAIGHT THRU; Valve Size: 12.000 INCHES IN; Specification/standard Data: MIL-V-24624 GOVERNMENT SPECIFICATION. 10 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.