MK503A120 — RELAY,ELECTROMAGNETIC

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

MK503A120: RELAY,ELECTROMAGNETIC.

The RELAY,ELECTROMAGNETIC is a the manufacturer industrial component. Key specifications include material: SILVER CONTACT, duty_type: CONTINUOUS, thread_class: 2A SINGLE MOUNTING FACILITY A, overall_width: 1.600 INCHES MAXIMUM IN, overall_height: 1.520 INCHES NOMINAL IN, overall_length: 1.671 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5945-01-122-4199, 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

MK503A120

NSN: 5945-01-122-4199
FSC: 5945 — Relays and Solenoids
CAGE: 07065 — G GENERAL ELECTRO-COMPONENTS INC (USA)

SPECIFICATIONS

material	SILVER CONTACT
duty_type	CONTINUOUS
thread_class	2A SINGLE MOUNTING FACILITY A
coil_quantity	1
overall_width	1.600 INCHES MAXIMUM IN
overall_height	1.520 INCHES NOMINAL IN
overall_length	1.671 INCHES NOMINAL IN
thread_direction	RIGHT-HAND SINGLE MOUNTING FACILITY
winding_quantity	1
precious_material	SILVER
nominal_thread_size	0.138 INCHES SINGLE MOUNTING FACILITY IN
thread_quantity_per_inch	32 SINGLE MOUNTING FACILITY
NSN	5945-01-122-4199

COMPONENT DIAGRAM

KEY FEATURES

•

MOUNTING FACILITY TYPE AND QUANTITY: 1 THREADED STUD(S) SINGLE MOUNTING FACILITY

•

MAIN CONTACT MAXIMUM VOLTAGE RATING IN VOLTS: 120.0 AC

•

PRECIOUS MATERIAL: SILVER

•

MAIN CONTACT LOAD CURRENT RATING AT MAXIMUM RATED VOLTAGE: 20.0 AMPERES AC RESISTIVE LOAD

•

DUTY TYPE: CONTINUOUS

TECHNICAL CHARACTERISTICS

MOUNTING FACILITY TYPE AND QUANTITY	1 THREADED STUD(S) SINGLE MOUNTING FACILITY
OVERALL HEIGHT	1.520 INCHES NOMINAL IN
MAIN CONTACT MAXIMUM VOLTAGE RATING IN VOLTS	120.0 AC
PRECIOUS MATERIAL	SILVER
MAIN CONTACT LOAD CURRENT RATING AT MAXIMUM RATED VOLTAGE	20.0 AMPERES AC RESISTIVE LOAD
DUTY TYPE	CONTINUOUS
OVERALL LENGTH	1.671 INCHES NOMINAL IN
OVERALL WIDTH	1.600 INCHES MAXIMUM IN
THREAD DIRECTION	RIGHT-HAND SINGLE MOUNTING FACILITY
NOMINAL THREAD SIZE	0.138 INCHES SINGLE MOUNTING FACILITY IN

OTHER ITEMS IN FSC 5945 — Relays and Solenoids

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

5945-00-000-0093 5945-00-001-1891 5945-00-001-2622 5945-00-001-2795 5945-00-001-2806 5945-00-001-2938 5945-00-001-3015 5945-00-001-3016

SUBSTITUTES & CROSS-REFERENCES 2

KR14AG120VReference document

Same NSN cross-reference

Reference document — Design control — primary reference

KR14A115VACReference document

Same NSN cross-reference

Reference document — Advisory reference — outside the item-of-supply concept

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is MK503A120?

MK503A120 is a RELAY,ELECTROMAGNETIC.

What parts can replace MK503A120?

There are 2 known substitutes for MK503A120: KR14AG120V, KR14A115VAC. Substitute compatibility should be verified for your specific system.

What is the NSN for MK503A120?

MK503A120 is cataloged in the U.S. Government catalog under NSN 5945-01-122-4199. This indicates validated use in U.S. government and defense supply chains.

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MK503A120 — RELAY,ELECTROMAGNETIC

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