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Technical Data Sheet

A-A-59440/4B-020 — Technical Data Sheet

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— · 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 COCK,DRAIN is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OR COPPER ALLOY 360 OVERALL, connection_type: THREADED EXTERNAL PIPE FIRST END, connection_style: PLAIN (PIPE) FIRST END, style_designator: STRAIGHT THRU, thread_direction: RIGHT-HAND FIRST END, operating_pressure: 150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System under NSN 4820-00-410-1925, 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
A-A-59440/4B-020
NSN: 4820-00-410-1925
FSC: 4820
CAGE: 58536 — FEDERAL COMMERCIAL ITEM DESCRIPTION PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC (USA)
SPECIFICATIONS
materialCOPPER ALLOY OR COPPER ALLOY 360 OVERALL
connection_typeTHREADED EXTERNAL PIPE FIRST END
connection_stylePLAIN (PIPE) FIRST END
style_designatorSTRAIGHT THRU
thread_directionRIGHT-HAND FIRST END
operating_pressure150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
flow_control_devicePLUG
nominal_thread_size0.375 INCHES FIRST END IN
maximum_operating_temp351.0 FAHRENHEIT SINGLE RESPONSE DEGF
valve_operation_methodMANUAL
media_for_which_designedSTEAM SECOND RESPONSE
renewable_seat_ring_typeTHREADED
NSN4820-00-410-1925
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: A-A-59440/4B-020 · 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
•
RENEWABLE SEAT RING TYPE: THREADED
•
OPERATING PRESSURE: 150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
•
NOMINAL THREAD SIZE: 0.375 INCHES FIRST END IN
•
MAXIMUM OPERATING TEMP: 351.0 FAHRENHEIT SINGLE RESPONSE DEGF
•
CONNECTION STYLE: PLAIN (PIPE) FIRST END
•
VALVE OPERATION METHOD: MANUAL
•
THREAD DIRECTION: RIGHT-HAND FIRST END
•
CONNECTION TYPE: THREADED EXTERNAL PIPE FIRST END
TECHNICAL CHARACTERISTICS
RENEWABLE SEAT RING TYPETHREADED
OPERATING PRESSURE150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
NOMINAL THREAD SIZE0.375 INCHES FIRST END IN
MAXIMUM OPERATING TEMP351.0 FAHRENHEIT SINGLE RESPONSE DEGF
CONNECTION STYLEPLAIN (PIPE) FIRST END
VALVE OPERATION METHODMANUAL
THREAD DIRECTIONRIGHT-HAND FIRST END
CONNECTION TYPETHREADED EXTERNAL PIPE FIRST END
FLOW CONTROL DEVICEPLUG
STYLE DESIGNATORSTRAIGHT THRU
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
A-A-59440/4InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
AA59440/4-019InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
MS35785-6InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
A-A-59440/4-015InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
42EInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
MS35785-7InterchangeableGOVERNMENT REGISTRY
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A-A-59440/4B-020?
A-A-59440/4B-020 is a COCK,DRAIN.
What parts can replace A-A-59440/4B-020?
There are 7 known substitutes for A-A-59440/4B-020: A-A-59440/4, AA59440/4-019, MS35785-6 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for A-A-59440/4B-020?
A-A-59440/4B-020 is cataloged in the Federal Logistics Information System under NSN 4820-00-410-1925. This indicates validated use in U.S. government and defense supply chains.
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