PartsTable
Technical Data Sheet
306AK ✓ 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 BEARING,BALL,ANNULAR is a the manufacturer industrial component. Key specifications include material: STEEL COMP 303 AND RUBBER SYNTHETIC FLOW CONTROL DEVICE, bonnet_type: INSIDE SCREW, connection_type: THREADED EXTERNAL PIPE ALL ENDS, connection_style: PLAIN (PIPE) ALL ENDS, style_designator: STRAIGHT THRU, thread_direction: RIGHT-HAND ALL ENDS. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-929-5560, 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
306AK
NSN: 4820-00-929-5560
FSC: 4820
CAGE: 28968 — CIRCOR INSTRUMENTATION TECHNOLOGIES, INC. DBA HOKE GYROLOK (USA)
SPECIFICATIONS
materialSTEEL COMP 303 AND RUBBER SYNTHETIC FLOW CONTROL DEVICE
bonnet_typeINSIDE SCREW
connection_typeTHREADED EXTERNAL PIPE ALL ENDS
connection_stylePLAIN (PIPE) ALL ENDS
style_designatorSTRAIGHT THRU
thread_directionRIGHT-HAND ALL ENDS
features_providedBONNET PACKING
operating_pressure3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
flow_control_deviceNEEDLE
nominal_thread_size0.250 INCHES ALL ENDS IN
maximum_operating_temp450.0 FAHRENHEIT SINGLE RESPONSE DEGF
valve_operation_methodMANUAL
NSN4820-00-929-5560
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS SIZE: — · — · — PN: 306AK · 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
MAXIMUM OPERATING TEMP: 450.0 FAHRENHEIT SINGLE RESPONSE DEGF
VALVE OPERATION METHOD: MANUAL
CONNECTION STYLE: PLAIN (PIPE) ALL ENDS
CONNECTION TYPE: THREADED EXTERNAL PIPE ALL ENDS
MATERIAL: COPPER ALLOY SEAT
BONNET TYPE: INSIDE SCREW
FEATURES PROVIDED: BONNET PACKING
TECHNICAL CHARACTERISTICS (FLIS)
MAXIMUM OPERATING TEMP450.0 FAHRENHEIT SINGLE RESPONSE DEGF
VALVE OPERATION METHODMANUAL
CONNECTION STYLEPLAIN (PIPE) ALL ENDS
CONNECTION TYPETHREADED EXTERNAL PIPE ALL ENDS
MATERIALCOPPER ALLOY SEAT
BONNET TYPEINSIDE SCREW
FEATURES PROVIDEDBONNET PACKING
MATERIALCOPPER ALLOY BODY
FLOW CONTROL DEVICENEEDLE
BONNET ATTACHMENT METHODINTEGRAL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
303DInterchangeable
interchangeable cross-reference
interchangeable
306AInterchangeable
interchangeable cross-reference
interchangeable
990045AK9Interchangeable
interchangeable cross-reference
interchangeable
8645BInterchangeable
interchangeable cross-reference
interchangeable
XRM-306-MInterchangeable
interchangeable cross-reference
interchangeable
ND1306Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 306AK?
306AK is a BEARING,BALL,ANNULAR.
What parts can replace 306AK?
There are 9 known substitutes for 306AK: 303D, 306A, 990045AK9 and 6 more. Substitute compatibility should be verified for your specific system.
Is 306AK still available?
306AK is currently cancelled.
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