PartsTable
Technical Data Sheet
475HT8D ✓ 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 GOVERNOR ASSEMBLY,AIR BRAKE is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY SEAT, seat_angle: 37.0 DEGREES FIRST END, thread_class: 3A FIRST END A, connection_type: THREADED EXTERNAL TUBE FIRST END, connection_style: FLARED (TUBE) FIRST END, style_designator: STRAIGHT THRU. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-529-4288, 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
475HT8D
NSN: 4820-00-529-4288
FSC: 4820
CAGE: 45681 — PARKER-HANNIFIN CORPORATION DBA PNEUTRONICS DIV CORPORATE HEADQUARTERS (USA)
SPECIFICATIONS
materialALUMINUM ALLOY SEAT
seat_angle37.0 DEGREES FIRST END
thread_class3A FIRST END A
connection_typeTHREADED EXTERNAL TUBE FIRST END
connection_styleFLARED (TUBE) FIRST END
style_designatorSTRAIGHT THRU
thread_directionRIGHT-HAND FIRST END
mounting_positionHORIZONTAL
operating_pressure2000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
disk_loading_methodSPRING
flow_control_deviceCONE
nominal_thread_size0.750 INCHES FIRST END IN
NSN4820-00-529-4288
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS SIZE: — · — · — PN: 475HT8D · 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
MEDIA FOR WHICH DESIGNED: HYDRAULIC FLUID, PHOSPHATE-ESTER BASE SINGLE RESPONSE
SEAT ANGLE: 37.0 DEGREES FIRST END
NOMINAL THREAD SIZE: 0.750 INCHES FIRST END IN
MATERIAL: ALUMINUM ALLOY BODY
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 0.500 INCHES FIRST END IN
CONNECTION STYLE: FLARED (TUBE) FIRST END
FLOW CONTROL DEVICE: CONE
THREAD CLASS: 3A FIRST END A
TECHNICAL CHARACTERISTICS (FLIS)
MEDIA FOR WHICH DESIGNEDHYDRAULIC FLUID, PHOSPHATE-ESTER BASE SINGLE RESPONSE
SEAT ANGLE37.0 DEGREES FIRST END
NOMINAL THREAD SIZE0.750 INCHES FIRST END IN
MATERIALALUMINUM ALLOY BODY
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.500 INCHES FIRST END IN
CONNECTION STYLEFLARED (TUBE) FIRST END
FLOW CONTROL DEVICECONE
THREAD CLASS3A FIRST END A
THREAD DIRECTIONRIGHT-HAND FIRST END
DISK LOADING METHODSPRING
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
410986C92Interchangeable
interchangeable cross-reference
interchangeable
N-49729Interchangeable
interchangeable cross-reference
interchangeable
226431Interchangeable
interchangeable cross-reference
interchangeable
01-5000-35Interchangeable
interchangeable cross-reference
interchangeable
CMG/401561Interchangeable
interchangeable cross-reference
interchangeable
401561-35Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 475HT8D?
475HT8D is a GOVERNOR ASSEMBLY,AIR BRAKE.
What parts can replace 475HT8D?
There are 7 known substitutes for 475HT8D: 410986C92, N-49729, 226431 and 4 more. Substitute compatibility should be verified for your specific system.
Is 475HT8D still available?
475HT8D is currently cancelled.
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