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Technical Data Sheet
PartsTable / COMPONENT / 90688D
90688D ✓ 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 COVER ASSEMBLY,VALVE is a the manufacturer industrial component. Key specifications include body_length: 0.688 INCHES NOMINAL IN, inclosure_type: FULLY INCLOSED, mounting_method: TERMINAL SINGLE GROUP, body_outside_diameter: 0.480 INCHES NOMINAL IN, reliability_indicator: NOT ESTABLISHED, terminal_type_and_quantity: 4 WIRE LEAD. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-181-8528, 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
90688D
NSN: 4820-01-181-8528
FSC: 4820
CAGE: 86184 — GRISWOLD INDUSTRIES DBA CLA-VAL CO (USA)
SPECIFICATIONS
body_length0.688 INCHES NOMINAL IN
inclosure_typeFULLY INCLOSED
mounting_methodTERMINAL SINGLE GROUP
body_outside_diameter0.480 INCHES NOMINAL IN
reliability_indicatorNOT ESTABLISHED
terminal_type_and_quantity4 WIRE LEAD
winding_function_and_quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
primary_to_secondary_turn_ratio3 TO 1 SINGLE COMPONENT
NSN4820-01-181-8528
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 90688D · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
U4WE10Interchangeable
interchangeable cross-reference
interchangeable
W1012Interchangeable
interchangeable cross-reference
interchangeable
24044AInterchangeable
interchangeable cross-reference
interchangeable
90-688Interchangeable
interchangeable cross-reference
interchangeable
90081 FIND 7Interchangeable
interchangeable cross-reference
interchangeable
C5769KInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 90688D?
90688D is a COVER ASSEMBLY,VALVE.
What parts can replace 90688D?
There are 16 known substitutes for 90688D: U4WE10, W1012, 24044A and 13 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 90688D?
90688D is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-181-8528. 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