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PartsTable / COMPONENT / A404728-3N
A404728-3N ✓ 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 SEMICONDUCTOR DEVICE,DIODE is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY BODY, valve_size: 0.500 INCHES IN, bonnet_type: INSIDE SCREW, offset_distance: 1.750 INCHES IN, connection_style: PLAIN (PIPE) FIRST END, style_designator: STRAIGHT THRU W/OFFSET. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-070-6920, 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
A404728-3N
NSN: 4820-00-070-6920
FSC: 4820
CAGE: 0ASY6 — DERBYSHIRE MARINE PRODUCTS, LLC DBA DERBYSHIRE MARINE PRODUCTS LLC (USA)
SPECIFICATIONS
materialCOPPER ALLOY BODY
valve_size0.500 INCHES IN
bonnet_typeINSIDE SCREW
offset_distance1.750 INCHES IN
connection_stylePLAIN (PIPE) FIRST END
style_designatorSTRAIGHT THRU W/OFFSET
thread_directionRIGHT-HAND FIRST END
flow_control_deviceSTEM
nominal_thread_size0.500 INCHES FIRST END IN
valve_operation_methodHYDRAULIC
bonnet_attachment_methodTHREADED
thread_series_designatorNPT FIRST END
NSN4820-00-070-6920
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: A404728-3N · 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
•
MATERIAL: COPPER ALLOY 715 FLOW CONTROL DEVICE
•
FLOW CONTROL DEVICE: STEM
•
OFFSET DISTANCE: 1.750 INCHES IN
•
BONNET ATTACHMENT METHOD: THREADED
•
THREAD DIRECTION: RIGHT-HAND FIRST END
•
VALVE OPERATION METHOD: HYDRAULIC
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALCOPPER ALLOY 715 FLOW CONTROL DEVICE
FLOW CONTROL DEVICESTEM
OFFSET DISTANCE1.750 INCHES IN
BONNET ATTACHMENT METHODTHREADED
THREAD DIRECTIONRIGHT-HAND FIRST END
VALVE OPERATION METHODHYDRAULIC
MATERIALSTEEL CORROSION RESISTING OVERALL
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR PACKING
NOMINAL THREAD SIZE0.500 INCHES FIRST END IN
VALVE SIZE0.500 INCHES IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 21
3803Interchangeable
interchangeable cross-reference
interchangeable
MIL-T-24209Interchangeable
interchangeable cross-reference
interchangeable
310-0094-001Interchangeable
interchangeable cross-reference
interchangeable
M5848Interchangeable
interchangeable cross-reference
interchangeable
G207328Interchangeable
interchangeable cross-reference
interchangeable
1441297Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A404728-3N?
A404728-3N is a SEMICONDUCTOR DEVICE,DIODE.
What parts can replace A404728-3N?
There are 21 known substitutes for A404728-3N: 3803, MIL-T-24209, 310-0094-001 and 18 more. Substitute compatibility should be verified for your specific system.
Is A404728-3N still available?
A404728-3N 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