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Technical Data Sheet
PartsTable / COMPONENT / 493-6D1-40
493-6D1-40 ✓ 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 FLOW CONTROL DEVICE, thread_class: 3B ALL ENDS, connection_type: THREADED INTERNAL BOSS ALL ENDS, connection_style: GASKET SEAL (BOSS) ALL ENDS, style_designator: STRAIGHT THRU, thread_direction: RIGHT-HAND ALL ENDS. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-129-7663, 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
493-6D1-40
NSN: 4820-01-129-7663
FSC: 4820
CAGE: 09990 — PARKER-HANNIFIN CORPORATION DBA PNEUTRONICS DIV HYDRAULIC VALVE DIVISION (USA)
SPECIFICATIONS
materialALUMINUM ALLOY FLOW CONTROL DEVICE
thread_class3B ALL ENDS
connection_typeTHREADED INTERNAL BOSS ALL ENDS
connection_styleGASKET SEAL (BOSS) ALL ENDS
style_designatorSTRAIGHT THRU
thread_directionRIGHT-HAND ALL ENDS
mounting_positionHORIZONTAL OR VERTICAL
operating_pressure1000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
flow_control_deviceDISK
nominal_thread_size0.562 INCHES ALL ENDS IN
maximum_operating_temp160.0 FAHRENHEIT SINGLE RESPONSE DEGF
valve_operation_methodAUTOMATIC
NSN4820-01-129-7663
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 493-6D1-40 · 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: ALUMINUM ALLOY FLOW CONTROL DEVICE
•
OPERATING PRESSURE: 1000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
•
NOMINAL THREAD SIZE: 0.562 INCHES ALL ENDS IN
•
STYLE DESIGNATOR: STRAIGHT THRU
•
MEDIA FOR WHICH DESIGNED: AIR FIRST RESPONSE
•
THREAD DIRECTION: RIGHT-HAND ALL ENDS
•
FLOW CONTROL DEVICE: DISK
•
CONNECTION TYPE: THREADED INTERNAL BOSS ALL ENDS
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALALUMINUM ALLOY FLOW CONTROL DEVICE
OPERATING PRESSURE1000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
NOMINAL THREAD SIZE0.562 INCHES ALL ENDS IN
STYLE DESIGNATORSTRAIGHT THRU
MEDIA FOR WHICH DESIGNEDAIR FIRST RESPONSE
THREAD DIRECTIONRIGHT-HAND ALL ENDS
FLOW CONTROL DEVICEDISK
CONNECTION TYPETHREADED INTERNAL BOSS ALL ENDS
MATERIALALUMINUM ALLOY BODY
CONNECTION STYLEGASKET SEAL (BOSS) ALL ENDS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
MIL-R-39017/1Interchangeable
interchangeable cross-reference
interchangeable
57315-0025-00Interchangeable
interchangeable cross-reference
interchangeable
SBB10KInterchangeable
interchangeable cross-reference
interchangeable
80-6156Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 493-6D1-40?
493-6D1-40 is a VALVE,CHECK.
What parts can replace 493-6D1-40?
There are 4 known substitutes for 493-6D1-40: MIL-R-39017/1, 57315-0025-00, SBB10K and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 493-6D1-40?
493-6D1-40 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-129-7663. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026