The Valve,butterfly, cataloged under National Stock Number 4810-01-557-0157, is classified within Federal Supply Class 4810 (Valves, Powered) 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 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4810-01-557-0157 |
| Primary Part Number | YCL78089 |
| Item Name | Valve,butterfly |
| FSC / FSG | 4810 / 48 — Valves, Powered |
| Manufacturer | Leslie Controls, Inc. Dba Leslie Controls Inc |
| Status | ACTIVE |
| Phase | THREE |
| Voltage in Volts and Current Type | 440.0 AC |
| Style Designator | STRAIGHT THRU |
| Operating Pressure | 275.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Valve Size | 8.000 INCHES IN |
| Specification/standard Data | MIL-V-24624 GOVERNMENT SPECIFICATION |
| Nondefinitive Spec/std Data | A STYLE AND I TYPE |
| Mounting Facility | WAFER |
| Material | STEEL CORROSION RESISTING OVERALL |
| Valve Operation Method | ELECTRIC MOTOR |
| 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 |
|---|---|
| YCL78089 PRIMARY | Leslie Controls, Inc. Dba Leslie Controls Inc (USA) |
| 35557N P/N YCL78089 | Leslie Controls, Inc. Dba Leslie Controls Inc (USA) |
| YCL78089/CD35557N | Leslie Controls, Inc. Dba Leslie Controls Inc (USA) |
| Reference | Meaning |
|---|---|
| 35557N | D/9 Drawing number reference only Leslie Controls, Inc. Dba Leslie Controls Inc |
NSN 4810-01-557-0157 is a Valve,butterfly, manufactured by Leslie Controls, Inc. Dba Leslie Controls Inc, classified under FSC 4810, Valves, Powered. Status: active.
NSN 4810-01-557-0157 has 3 manufacturer part numbers on file: YCL78089 (Leslie Controls, Inc. Dba Leslie Controls Inc), 35557N P/N YCL78089 (Leslie Controls, Inc. Dba Leslie Controls Inc), YCL78089/CD35557N (Leslie Controls, Inc. Dba Leslie Controls Inc).
1 possible match (shared part number, not a government interchangeability claim): 4810-01-557-1231. Verify interchangeability with system specifications before substitution.
Key specifications for YCL78089: Phase: THREE; Voltage in Volts and Current Type: 440.0 AC; Style Designator: STRAIGHT THRU; Operating Pressure: 275.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS. 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.