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JC1021 ✓ 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 CAP,VALVE is a the manufacturer industrial component. Key specifications include material: LEATHER OR RUBBER SYNTHETIC SEALING ELEMENT, thickness: 0.115 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN, case_style: SQUARE, seal_width: 0.360 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN, shaft_type: ROUND, FLATTED SINGLE ACTUATOR, flat_height: 0.220 INCHES NOMINAL SINGLE ACTUATOR IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-053-8070, 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
JC1021
NSN: 4820-01-053-8070
FSC: 4820
CAGE: 27007 — CESSNA AIRCRAFT CO FLUID POWER DIV (USA)
SPECIFICATIONS
materialLEATHER OR RUBBER SYNTHETIC SEALING ELEMENT
thickness0.115 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN
case_styleSQUARE
seal_width0.360 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN
shaft_typeROUND, FLATTED SINGLE ACTUATOR
flat_height0.220 INCHES NOMINAL SINGLE ACTUATOR IN
shaft_length1.000 INCHES NOMINAL SINGLE ACTUATOR IN
specific_useFOR USE W/NOVA 12 ANALYZER AS A GLUCOSE OVER-RANGE SOLUTION
thread_class2A SINGLE MOUNTING FACILITY A
usage_designAIRCRAFT HOISTING
hole_diameter0.426 INCHES MINIMUM AND 0.446 INCHES MAXIMUM IN
overall_width15.000 INCHES NOMINAL IN
NSN4820-01-053-8070
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: JC1021 · 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 9
13177Interchangeable
Pin.pivot,brake
interchangeable
43-841Interchangeable
interchangeable cross-reference
interchangeable
50606Interchangeable
interchangeable cross-reference
interchangeable
102169Interchangeable
interchangeable cross-reference
interchangeable
MIL-P-5315BInterchangeable
interchangeable cross-reference
interchangeable
M2081AA1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is JC1021?
JC1021 is a CAP,VALVE.
What parts can replace JC1021?
There are 9 known substitutes for JC1021: 13177, 43-841, 50606 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for JC1021?
JC1021 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-053-8070. 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