NSN 4820-01-499-5538 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-499-5538. Manufacturer of record part number: YCL76261.
Also searched as4820-01-499-5538 ·
4820014995538 ·
NIIN 014995538 ·
01-499-5538 ·
FSC 4820 Valves, Nonpowered · CAGE 35795 · YCL76261
Operating Pressure: 150.0 POUNDS PER SQUARE INCH (PSI) NOMINAL POWER DRIVE LBS
Operating Pressure: 285.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Valve Size: 3.500 INCHES IN
Maximum Operating Temp: 180.0 FAHRENHEIT SINGLE RESPONSE DEGF
Nominal Width: 15.750 INCHES ALL ENDS IN
Material: COPPER ALLOY BODY
Valve Operation Method: HYDRAULIC
Identification
NSN: 4820-01-499-5538
NIIN: 014995538
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: YCL76261
Manufacturer: Leslie Controls, Inc. Dba Leslie Controls Inc
General Description
The Valve,butterfly, cataloged under National Stock Number 4820-01-499-5538, 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 7 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. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
4820-01-499-5538
Primary Part Number
YCL76261
Item Name
Valve,butterfly
FSC / FSG
4820 / 48 — Valves, Nonpowered
Manufacturer
Leslie Controls, Inc. Dba Leslie Controls Inc
Status
ACTIVE
Operating Pressure
150.0 POUNDS PER SQUARE INCH (PSI) NOMINAL POWER DRIVE LBS
Operating Pressure
285.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
No interchangeability data on file.
Other items in FSC 4820 — Valves, Nonpowered
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4820-00-000-0097
4820-00-000-0097 · Item name not on file
4820-00-001-0010
VALVE,ROTARY,SELECTOR
4820-00-001-0020
4820-00-001-0020 · Item name not on file
4820-00-001-0021
4820-00-001-0021 · Item name not on file
4820-00-001-0032
4820-00-001-0032 · Item name not on file
4820-00-001-0037
VALVE,SAFETY RELIEF
4820-00-001-0042
4820-00-001-0042 · Item name not on file
4820-00-001-1230
4820-00-001-1230 · Item name not on file
Frequently Asked Questions
What is NSN 4820-01-499-5538?
NSN 4820-01-499-5538 is a Valve,butterfly, manufactured by Leslie Controls, Inc. Dba Leslie Controls Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-499-5538?
NSN 4820-01-499-5538 has 1 manufacturer part number on file: YCL76261 (Leslie Controls, Inc. Dba Leslie Controls Inc).
What are the specifications of YCL76261?
Key specifications for YCL76261: Operating Pressure: 150.0 POUNDS PER SQUARE INCH (PSI) NOMINAL POWER DRIVE LBS; Operating Pressure: 285.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS; Valve Size: 3.500 INCHES IN; Maximum Operating Temp: 180.0 FAHRENHEIT SINGLE RESPONSE DEGF. 7 specifications are documented in the U.S. Government catalog.
Is NSN 4820-01-499-5538 hazardous material?
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
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.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.