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PartsTable / COMPONENT / 20221FSF41M
20221FSF41M ✓ Verified by PartsTable
— · GATE VALVE
WHAT YOU NEED TO KNOW
Full open or full close only — never throttle Rising stem shows position visually
Throttling a gate valve erodes seats
PRODUCT OVERVIEW

FILTER,RADIO FREQUENCY INTERFERE. Key specifications include material: COPPER ALLOY BODY, valve_size: 0.500 INCHES IN, flange_shape: ROUND WITH HOLES ALL ENDS, connection_type: FLANGE ALL ENDS, style_designator: ANGLE FLANGED ENDS, nominal_thickness: 0.375 INCHES ALL ENDS IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-191-8291, indicating validated use in U.S.

government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
20221FSF41M
NSN: 4820-01-191-8291
FSC: 4820
CAGE: 01343 — ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY (USA)
SPECIFICATIONS
materialCOPPER ALLOY BODY
valve_size0.500 INCHES IN
flange_shapeROUND WITH HOLES ALL ENDS
connection_typeFLANGE ALL ENDS
style_designatorANGLE FLANGED ENDS
nominal_thickness0.375 INCHES ALL ENDS IN
bolt_hole_quantity3 ALL ENDS
flange_face_designPLAIN ALL ENDS
operating_pressure150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
flow_control_deviceDISK
maximum_operating_temp150.0 FAHRENHEIT SINGLE RESPONSE DEGF
valve_operation_methodAUTOMATIC
NSN4820-01-191-8291
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 20221FSF41M · OEM ⚠ VERIFY BEFORE ORDERING Gate valves = FULL OPEN or FULL CLOSE only — never throttle. Partial opening causes seat erosion and vibration. ✓ BROKER TIP Rising stem shows valve position visually — easier maintenance. Non-rising stem saves headroom. PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
VALVE OPERATION METHOD: AUTOMATIC
•
SECOND CONNECTION FACE TO CENTERLINE DISTANCE: 3.000 INCHES IN
•
NOMINAL THICKNESS: 0.375 INCHES ALL ENDS IN
•
STYLE DESIGNATOR: ANGLE FLANGED ENDS
•
FIRST CONNECTION FACE TO CENTERLINE DISTANCE: 3.000 INCHES IN
•
VALVE SIZE: 0.500 INCHES IN
•
MATERIAL: NICKEL ALLOY STEM
•
ADJUSTABLE PRESSURE RANGE: +30.0 TO 34.0 POUNDS PER SQUARE INCH LBS
TECHNICAL CHARACTERISTICS (FLIS)
VALVE OPERATION METHODAUTOMATIC
SECOND CONNECTION FACE TO CENTERLINE DISTANCE3.000 INCHES IN
NOMINAL THICKNESS0.375 INCHES ALL ENDS IN
STYLE DESIGNATORANGLE FLANGED ENDS
FIRST CONNECTION FACE TO CENTERLINE DISTANCE3.000 INCHES IN
VALVE SIZE0.500 INCHES IN
MATERIALNICKEL ALLOY STEM
ADJUSTABLE PRESSURE RANGE+30.0 TO 34.0 POUNDS PER SQUARE INCH LBS
MAXIMUM OPERATING TEMP150.0 FAHRENHEIT SINGLE RESPONSE DEGF
BOLT HOLE QUANTITY3 ALL ENDS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
6501Interchangeable
interchangeable cross-reference
interchangeable
861740Interchangeable
interchangeable cross-reference
interchangeable
19-4Interchangeable
interchangeable cross-reference
interchangeable
9050-100-0000Interchangeable
interchangeable cross-reference
interchangeable
4-25168RInterchangeable
interchangeable cross-reference
interchangeable
9050-000-0000Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 20221FSF41M?
20221FSF41M is a FILTER,RADIO FREQUENCY INTERFERE.
What parts can replace 20221FSF41M?
There are 18 known substitutes for 20221FSF41M: 6501, 861740, 19-4 and 15 more. Substitute compatibility should be verified for your specific system.
Is 20221FSF41M still available?
20221FSF41M is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026