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Technical Data Sheet
PartsTable / MRO / 10-503-4
10-503-4 ✓ Verified by PartsTable
— · MRO · MRO_GENERAL
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The RETAINER,ELECTRICAL SWITCH is a the manufacturer industrial component. Key specifications include material: PLASTIC, overall_length: 10.500 INCHES NOMINAL IN, overall_diameter: 2.000 INCHES NOMINAL IN, special_features: GLUE PANEL ON STUDS; THREADED INSERTS, style_designator: RECTANGULAR WITH/WITHOUT MOUNTING HOLES, end_item_identification: HIMARS (RSV), MK37, 2320-01-504-5218. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6625-00-283-3400, 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
MRO→ MRO_GENERAL→ 10-503-4
NSN: 6625-00-283-3400
FSC: 6625
CAGE: 28569 — HICKOK WAEKON LLC (USA)
SPECIFICATIONS
materialPLASTIC
overall_length10.500 INCHES NOMINAL IN
overall_diameter2.000 INCHES NOMINAL IN
special_featuresGLUE PANEL ON STUDS; THREADED INSERTS
style_designatorRECTANGULAR WITH/WITHOUT MOUNTING HOLES
end_item_identificationHIMARS (RSV), MK37, 2320-01-504-5218
test_item_connection_methodSTD TUBE PINS
general_characteristics_item_descriptionPART OF MOTOR 6105-01-026-7270; USED ON PUMP 4320-01-009-4055
part_name_assigned_by_controlling_agencyRH SWITCH PANEL, OTC HIMARS
NSN6625-00-283-3400
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RETAINER,ELECTRICAL SWITCH TITLE COMPONENT PN 10-503-4 MFR RETAINER,ELECTRICAL SW
KEY FEATURES
•
TEST ITEM CONNECTION METHOD: STD TUBE PINS
•
OVERALL DIAMETER: 2.000 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL LENGTH3.188 INCHES NOMINAL IN
TEST ITEM CONNECTION METHODSTD TUBE PINS
OVERALL DIAMETER2.000 INCHES NOMINAL IN
OVERALL LENGTH3.188 INCHES NOMINAL IN
TEST ITEM CONNECTION METHODSTD TUBE PINS
OVERALL DIAMETER2.000 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
7719810P4Interchangeable
interchangeable cross-reference
interchangeable
M3449-8HTCInterchangeable
interchangeable cross-reference
interchangeable
5M364-3Interchangeable
interchangeable cross-reference
interchangeable
7008-3Interchangeable
interchangeable cross-reference
interchangeable
10-503-4Interchangeable
interchangeable cross-reference
interchangeable
2040-4Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 10-503-4?
10-503-4 is a RETAINER,ELECTRICAL SWITCH. It is classified as a MRO (MRO_GENERAL).
What parts can replace 10-503-4?
There are 10 known substitutes for 10-503-4: 7719810P4, M3449-8HTC, 5M364-3 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 10-503-4?
10-503-4 is cataloged in the Federal Logistics Information System (FLIS) under NSN 6625-00-283-3400. 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