NSN 4820-01-194-4259 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-194-4259. Manufacturer of record part number: WD201-AL-B-003.
Also searched as4820-01-194-4259 ·
4820011944259 ·
NIIN 011944259 ·
01-194-4259 ·
FSC 4820 Valves, Nonpowered · CAGE 13226 · WD201-AL-B-003
Operating Pressure: 75.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Maximum Operating Temp: 200.0 FAHRENHEIT SINGLE RESPONSE DEGF
Material: STEEL CORROSION RESISTING BODY LINING
Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR PACKING
Material: ALUMINUM BODY
Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR FLOW CONTROL DEVICE
Identification
NSN: 4820-01-194-4259
NIIN: 011944259
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: WD201-AL-B-003
Manufacturer: Betts Industries, Inc.
General Description
The Valve,butterfly, cataloged under National Stock Number 4820-01-194-4259, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Betts Industries, Inc.. Government technical data includes 8 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
4820-01-194-4259
Primary Part Number
WD201-AL-B-003
Item Name
Valve,butterfly
FSC / FSG
4820 / 48 — Valves, Nonpowered
Manufacturer
Betts Industries, Inc.
Status
ACTIVE
Style Designator
STRAIGHT THRU
Operating Pressure
75.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Maximum Operating Temp
200.0 FAHRENHEIT SINGLE RESPONSE DEGF
Material
STEEL CORROSION RESISTING BODY LINING
Material
RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR PACKING
Material
ALUMINUM BODY
Material
RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR FLOW CONTROL DEVICE
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 4820-01-194-4259?
NSN 4820-01-194-4259 is a Valve,butterfly, manufactured by Betts Industries, Inc., classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-194-4259?
NSN 4820-01-194-4259 has 1 manufacturer part number on file: WD201-AL-B-003 (Betts Industries, Inc.).
What are the specifications of WD201-AL-B-003?
Key specifications for WD201-AL-B-003: Style Designator: STRAIGHT THRU; Operating Pressure: 75.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS; Maximum Operating Temp: 200.0 FAHRENHEIT SINGLE RESPONSE DEGF; Special Features: DETENT SPRING AND BALL ASSIST IN HOLDING DISC IN OPEN AND CLOSED POSITION; INSERT TYPE VALVE TO MATE WITH ADJOINING FLANGES. 8 specifications are documented in the U.S. Government catalog.
Is NSN 4820-01-194-4259 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.