X643 — RELAY,ELECTROMAGNETIC

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

X643: RELAY,ELECTROMAGNETIC.

The RELAY,ELECTROMAGNETIC is a the manufacturer industrial component. Key specifications include duty_type: CONTINUOUS, overall_width: 1.210 INCHES NOMINAL IN, overall_height: 1.500 INCHES NOMINAL IN, overall_length: 1.750 INCHES NOMINAL IN, environmental_protection: HERMETIC, mounting_facility_pattern: IN-LINE SINGLE MOUNTING FACILITY. This part is cataloged in the U.S.

Government catalog under NSN 5945-00-679-1852, 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

X643

NSN: 5945-00-679-1852
FSC: 5945 — Relays and Solenoids
CAGE: 99699 — DRI RELAYS INC. DBA DRI RELAYS INC (USA)

SPECIFICATIONS

duty_type	CONTINUOUS
coil_quantity	1
overall_width	1.210 INCHES NOMINAL IN
overall_height	1.500 INCHES NOMINAL IN
overall_length	1.750 INCHES NOMINAL IN
winding_quantity	1
environmental_protection	HERMETIC
mounting_facility_pattern	IN-LINE SINGLE MOUNTING FACILITY
terminal_type_and_quantity	14 PIN ALL FUNCTIONS
winding_dc_resistance_rating	300.0 OHMS NOMINAL SINGLE WINDING
unthreaded_mounting_hole_diameter	0.156 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
mounting_facility_type_and_quantity	2 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY
NSN	5945-00-679-1852

COMPONENT DIAGRAM

KEY FEATURES

•

MOUNTING FACILITY TYPE AND QUANTITY: 2 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY

•

MAIN CONTACT MAXIMUM VOLTAGE RATING IN VOLTS: 120.0 AC AND 30.0 DC

•

MOUNTING FACILITY PATTERN: IN-LINE SINGLE MOUNTING FACILITY

•

CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH: 1.437 INCHES NOMINAL SINGLE MOUNTING FACILITY IN

•

MAIN CONTACT LOAD CURRENT RATING AT MAXIMUM RATED VOLTAGE: 3.0 AMPERES AC AND 3.0 AMPERES DC RESISTIVE LOAD

•

DUTY TYPE: CONTINUOUS

•

UNTHREADED MOUNTING HOLE DIAMETER: 0.156 INCHES NOMINAL SINGLE MOUNTING FACILITY IN

TECHNICAL CHARACTERISTICS

MOUNTING FACILITY TYPE AND QUANTITY	2 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY
OVERALL HEIGHT	1.500 INCHES NOMINAL IN
MAIN CONTACT MAXIMUM VOLTAGE RATING IN VOLTS	120.0 AC AND 30.0 DC
MOUNTING FACILITY PATTERN	IN-LINE SINGLE MOUNTING FACILITY
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH	1.437 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
MAIN CONTACT LOAD CURRENT RATING AT MAXIMUM RATED VOLTAGE	3.0 AMPERES AC AND 3.0 AMPERES DC RESISTIVE LOAD
DUTY TYPE	CONTINUOUS
UNTHREADED MOUNTING HOLE DIAMETER	0.156 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
OVERALL LENGTH	1.750 INCHES NOMINAL IN
OVERALL WIDTH	1.210 INCHES NOMINAL 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 6

9190298Reference document

Same NSN cross-reference

Reference document — Secondary reference

4CH36BReference document

Same NSN cross-reference

Reference document — Secondary reference

4A-X643Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

2515517-1Reference document

Same NSN cross-reference

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

HG4SL535Reference document

Same NSN cross-reference

Reference document — Secondary reference

4SL535Reference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Terminal item — no further procurement; issued until stock is exhaustedDemilitarization required — mutilation

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FREQUENTLY ASKED QUESTIONS

What is X643?

X643 is a RELAY,ELECTROMAGNETIC.

What parts can replace X643?

There are 6 known substitutes for X643: 9190298, 4CH36B, 4A-X643 and 3 more. Substitute compatibility should be verified for your specific system.

What is the NSN for X643?

X643 is cataloged in the U.S. Government catalog under NSN 5945-00-679-1852. This indicates validated use in U.S. government and defense supply chains.

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