PartsTable
Technical Data Sheet
221786N ✓ 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

The VALVE,SAFETY RELIEF is a the manufacturer industrial component. Key specifications include material: STEEL FLOW CONTROL DEVICE, bonnet_type: INSIDE SPRING, connection_type: THREADED EXTERNAL PIPE FIRST END, connection_style: PLAIN (PIPE) FIRST END, style_designator: ANGLE, thread_direction: RIGHT-HAND FIRST END. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-774-5285, 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
221786N
NSN: 4820-00-774-5285
FSC: 4820
CAGE: 06853 — BENDIX COMMERCIAL VEHICLE SYSTEMS LLC DBA BENDIX COMMERCIAL VEHICLE SYSTEMS (USA)
SPECIFICATIONS
materialSTEEL FLOW CONTROL DEVICE
bonnet_typeINSIDE SPRING
connection_typeTHREADED EXTERNAL PIPE FIRST END
connection_stylePLAIN (PIPE) FIRST END
style_designatorANGLE
thread_directionRIGHT-HAND FIRST END
disk_loading_methodSPRING
flow_control_deviceBALL
nominal_thread_size0.250 INCHES FIRST END IN
valve_operation_methodAUTOMATIC
bonnet_attachment_methodTHREADED
opening_pressure_setting100.0 POUNDS PER SQUARE INCH LBS
NSN4820-00-774-5285
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS SIZE: — · — · — PN: 221786N · 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
THREAD SERIES DESIGNATOR: NPT FIRST END
VALVE OPERATION METHOD: AUTOMATIC
FLOW CONTROL DEVICE: BALL
BONNET TYPE: INSIDE SPRING
NOMINAL THREAD SIZE: 0.250 INCHES FIRST END IN
THREAD DIRECTION: RIGHT-HAND FIRST END
BONNET ATTACHMENT METHOD: THREADED
CONNECTION STYLE: PLAIN (PIPE) FIRST END
TECHNICAL CHARACTERISTICS (FLIS)
THREAD SERIES DESIGNATORNPT FIRST END
VALVE OPERATION METHODAUTOMATIC
FLOW CONTROL DEVICEBALL
BONNET TYPEINSIDE SPRING
NOMINAL THREAD SIZE0.250 INCHES FIRST END IN
THREAD DIRECTIONRIGHT-HAND FIRST END
BONNET ATTACHMENT METHODTHREADED
CONNECTION STYLEPLAIN (PIPE) FIRST END
DISK LOADING METHODSPRING
MATERIALSTEEL FLOW CONTROL DEVICE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
120461Interchangeable
interchangeable cross-reference
interchangeable
109194-2Interchangeable
interchangeable cross-reference
interchangeable
CT6-24-22Interchangeable
interchangeable cross-reference
interchangeable
12029Interchangeable
interchangeable cross-reference
interchangeable
440593Interchangeable
interchangeable cross-reference
interchangeable
12020Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 221786N?
221786N is a VALVE,SAFETY RELIEF.
What parts can replace 221786N?
There are 12 known substitutes for 221786N: 120461, 109194-2, CT6-24-22 and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 221786N?
221786N is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-774-5285. This indicates validated use in U.S. government and defense supply chains.
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