PartsTable
Technical Data Sheet
448-8D2-65 ✓ 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,CHECK is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY SEAT, seat_angle: 24.0 DEGREES FIRST END, thread_class: 3A FIRST END A, connection_type: THREADED EXTERNAL TUBE FIRST END, connection_style: FLARELESS FIRST END, special_features: WEAPON SYSTEM ESSENTIAL. CRACKING PRESSURE 65 PSI..

This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-797-3959, 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
448-8D2-65
NSN: 4820-00-797-3959
FSC: 4820
CAGE: 86768 — TELEDYNE INDUSTRIES INC TELEDYNE FLUID SYSTEMS REPUBLIC BUSINESS UNIT (USA)
SPECIFICATIONS
materialALUMINUM ALLOY SEAT
seat_angle24.0 DEGREES FIRST END
thread_class3A FIRST END A
connection_typeTHREADED EXTERNAL TUBE FIRST END
connection_styleFLARELESS FIRST END
special_featuresWEAPON SYSTEM ESSENTIAL. CRACKING PRESSURE 65 PSI.
style_designatorSTRAIGHT THRU
thread_directionRIGHT-HAND FIRST END
mounting_positionHORIZONTAL OR VERTICAL
operating_pressure3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
disk_loading_methodSPRING
flow_control_devicePOPPET
NSN4820-00-797-3959
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS SIZE: — · — · — PN: 448-8D2-65 · 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
STYLE DESIGNATOR: STRAIGHT THRU
THREAD CLASS: 3A FIRST END A
DISK LOADING METHOD: SPRING
THREAD DIRECTION: RIGHT-HAND FIRST END
SEAT ANGLE: 24.0 DEGREES FIRST END
CONNECTION TYPE: THREADED EXTERNAL TUBE FIRST END
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 0.500 INCHES FIRST END IN
VALVE OPERATION METHOD: AUTOMATIC
TECHNICAL CHARACTERISTICS (FLIS)
STYLE DESIGNATORSTRAIGHT THRU
THREAD CLASS3A FIRST END A
DISK LOADING METHODSPRING
THREAD DIRECTIONRIGHT-HAND FIRST END
SEAT ANGLE24.0 DEGREES FIRST END
CONNECTION TYPETHREADED EXTERNAL TUBE FIRST END
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.500 INCHES FIRST END IN
VALVE OPERATION METHODAUTOMATIC
MOUNTING POSITIONHORIZONTAL OR VERTICAL
FLOW CONTROL DEVICEPOPPET
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
A-A-51152Interchangeable
interchangeable cross-reference
interchangeable
33.450 ROUGH (SPECIAL)Interchangeable
interchangeable cross-reference
interchangeable
112270RInterchangeable
interchangeable cross-reference
interchangeable
50109Interchangeable
interchangeable cross-reference
interchangeable
212W350Interchangeable
interchangeable cross-reference
interchangeable
2273Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 448-8D2-65?
448-8D2-65 is a VALVE,CHECK.
What parts can replace 448-8D2-65?
There are 20 known substitutes for 448-8D2-65: A-A-51152, 33.450 ROUGH (SPECIAL), 112270R and 17 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 448-8D2-65?
448-8D2-65 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-797-3959. This indicates validated use in U.S. government and defense supply chains.
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