The Valve,butterfly, cataloged under National Stock Number 4810-01-557-1231, is classified within Federal Supply Class 4810 (Valves, Powered) of the Valves group. Government technical data includes 11 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4810-01-557-1231 |
| Item Name | Valve,butterfly |
| FSC / FSG | 4810 / 48 — Valves, Powered |
| Status | ACTIVE |
| Phase | THREE |
| Voltage in Volts and Current Type | 440.0 AC |
| Style Designator | STRAIGHT THRU |
| Operating Pressure | 250.0 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 |
| Reference Number Differentiating Characteristics | MODIFIED BY REMOTE CONTROL UNIT NOT SUPPLIED |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| YCL78089 MODIFIED | 3/1 Design control — primary reference Leslie Controls, Inc. Dba Leslie Controls Inc |
| 35557N P/N YCL78089 MOD | 5/1 Secondary reference Leslie Controls, Inc. Dba Leslie Controls Inc |
| YCL78089/CD35557N MOD | 5/1 Secondary reference Leslie Controls, Inc. Dba Leslie Controls Inc |
| 35557N | D/9 Drawing number reference only Leslie Controls, Inc. Dba Leslie Controls Inc |
NSN 4810-01-557-1231 is a Valve,butterfly, classified under FSC 4810, Valves, Powered. Status: active.
Key specifications for 4810-01-557-1231: Phase: THREE; Voltage in Volts and Current Type: 440.0 AC; Style Designator: STRAIGHT THRU; Operating Pressure: 250.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS. 11 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.