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PartsTable / COMPONENT / 501-003
501-003 ✓ 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 RELAY,ELECTROMAGNETIC is a the manufacturer industrial component. Key specifications include duty_type: CONTINUOUS, design_type: DRY, input_phase: SINGLE SINGLE OPERATING POWER RQMT, coolant_type: AIR, output_phase: SINGLE SINGLE POWER OUTPUT, thread_class: 2A SINGLE MOUNTING FACILITY A. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-135-4775, 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
501-003
NSN: 4820-00-135-4775
FSC: 4820
CAGE: 4N727 — INTEGRAL AEROSPACE, LLC DBA PCX AEROSYSTEMS - SANTA ANA DIV INTEGRAL AEROSPACE, LLC DBA PCX AEROSYSTEMS - SANTA ANA (USA)
SPECIFICATIONS
duty_typeCONTINUOUS
design_typeDRY
input_phaseSINGLE SINGLE OPERATING POWER RQMT
coolant_typeAIR
output_phaseSINGLE SINGLE POWER OUTPUT
thread_class2A SINGLE MOUNTING FACILITY A
coil_quantity1
lens_quantity1
overall_width18.000 INCHES NOMINAL IN
overall_height4.000 INCHES NOMINAL IN
overall_length19.000 INCHES NOMINAL IN
battery_quantity1
NSN4820-00-135-4775
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 501-003 · 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 19
501-003Interchangeable
interchangeable cross-reference
interchangeable
501-003/008/020Interchangeable
interchangeable cross-reference
interchangeable
9L2109F173Interchangeable
interchangeable cross-reference
interchangeable
C#501003Interchangeable
interchangeable cross-reference
interchangeable
7378001Interchangeable
interchangeable cross-reference
interchangeable
72478Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 501-003?
501-003 is a RELAY,ELECTROMAGNETIC.
What parts can replace 501-003?
There are 19 known substitutes for 501-003: 501-003, 501-003/008/020, 9L2109F173 and 16 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 501-003?
501-003 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-135-4775. 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