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Technical Data Sheet
PartsTable / COMPONENT / 66626D
66626D ✓ 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 BODY, connection_type: THREADED INTERNAL PIPE ALL ENDS, connection_style: PLAIN, OPTIONAL END (PIPE) ALL ENDS, style_designator: STRAIGHT THRU, thread_direction: RIGHT-HAND ALL ENDS, mounting_position: HORIZONTAL. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-109-4133, 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
66626D
NSN: 4820-01-109-4133
FSC: 4820
CAGE: 86184 — GRISWOLD INDUSTRIES DBA CLA-VAL CO (USA)
SPECIFICATIONS
materialALUMINUM BODY
connection_typeTHREADED INTERNAL PIPE ALL ENDS
connection_stylePLAIN, OPTIONAL END (PIPE) ALL ENDS
style_designatorSTRAIGHT THRU
thread_directionRIGHT-HAND ALL ENDS
mounting_positionHORIZONTAL
nominal_thread_size0.375 INCHES ALL ENDS IN
supplementary_featuresFLOW CONTROL DEVICE: DIAPHRAGM
valve_operation_methodAUTOMATIC
thread_series_designatorNPT ALL ENDS
NSN4820-01-109-4133
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 66626D · 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 DIRECTION: RIGHT-HAND ALL ENDS
•
THREAD SERIES DESIGNATOR: NPT ALL ENDS
•
MATERIAL: ALUMINUM BODY
•
SUPPLEMENTARY FEATURES: FLOW CONTROL DEVICE: DIAPHRAGM
•
MOUNTING POSITION: HORIZONTAL
•
CONNECTION TYPE: THREADED INTERNAL PIPE ALL ENDS
TECHNICAL CHARACTERISTICS (FLIS)
STYLE DESIGNATORSTRAIGHT THRU
THREAD DIRECTIONRIGHT-HAND ALL ENDS
THREAD SERIES DESIGNATORNPT ALL ENDS
MATERIALALUMINUM BODY
SUPPLEMENTARY FEATURESFLOW CONTROL DEVICE: DIAPHRAGM
MATERIALRUBBER FLOW CONTROL DEVICE
MOUNTING POSITIONHORIZONTAL
CONNECTION TYPETHREADED INTERNAL PIPE ALL ENDS
VALVE OPERATION METHODAUTOMATIC
CONNECTION STYLEPLAIN, OPTIONAL END (PIPE) ALL ENDS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
98164Interchangeable
interchangeable cross-reference
interchangeable
25364Interchangeable
interchangeable cross-reference
interchangeable
66626-00Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 66626D?
66626D is a VALVE,CHECK.
What parts can replace 66626D?
There are 3 known substitutes for 66626D: 98164, 25364, 66626-00. Substitute compatibility should be verified for your specific system.
Is 66626D still available?
66626D 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