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PartsTable / COMPONENT / 18-502-C
18-502-C ✓ 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 RESISTOR,FIXED,WIRE WOUND is a the manufacturer industrial component. Key specifications include color: GRAY/GREY BOTH SIDES, width: 7.000 INCHES NOMINAL IN, length: 9.000 INCHES NOMINAL IN, material: STEEL BODY, fuel_type: ACETYLENE, thickness: 0.063 INCHES NOMINAL 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 4810-01-036-0731, 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
18-502-C
NSN: 4810-01-036-0731
FSC: 4810
CAGE: 01420 — HOYT CORPORATION (USA)
SPECIFICATIONS
colorGRAY/GREY BOTH SIDES
width7.000 INCHES NOMINAL IN
length9.000 INCHES NOMINAL IN
materialSTEEL BODY
fuel_typeACETYLENE
thickness0.063 INCHES NOMINAL IN
tube_typeTRIODE
body_width0.438 INCHES NOMINAL IN
case_shapeRECTANGULAR
body_length1.312 INCHES NOMINAL IN
memory_size1.0 TERABYTES
unit_designDESK TOP
NSN4810-01-036-0731
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 18-502-C · 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
4273KInterchangeable
interchangeable cross-reference
interchangeable
7910Interchangeable
interchangeable cross-reference
interchangeable
19-641Interchangeable
interchangeable cross-reference
interchangeable
19-543Interchangeable
interchangeable cross-reference
interchangeable
D15-395-0PC456-460Interchangeable
interchangeable cross-reference
interchangeable
TYPE 79E SIZE 10Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 18-502-C?
18-502-C is a RESISTOR,FIXED,WIRE WOUND.
What parts can replace 18-502-C?
There are 9 known substitutes for 18-502-C: 4273K, 7910, 19-641 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 18-502-C?
18-502-C is cataloged in the Federal Logistics Information System (FLIS) under NSN 4810-01-036-0731. 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