C-21AA — RELAY,ELECTROMAGNETIC

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

C-21AA: RELAY,ELECTROMAGNETIC.

The RELAY,ELECTROMAGNETIC is a the manufacturer industrial component. Key specifications include overall_width: 3.210 INCHES MAXIMUM IN, overall_height: 3.000 INCHES MAXIMUM IN, overall_length: 3.210 INCHES MAXIMUM IN, frequency_in_hertz: 400.0 NOMINAL, end_item_identification: C-5AIRCRAFT, mounting_facility_pattern: RECTANGULAR SINGLE MOUNTING FACILITY. This part is cataloged in the U.S.

Government catalog under NSN 5945-01-493-4161, 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

C-21AA

NSN: 5945-01-493-4161
FSC: 5945 — Relays and Solenoids
CAGE: 74063 — TE CONNECTIVITY CORPORATION (USA)

SPECIFICATIONS

coil_quantity	1
overall_width	3.210 INCHES MAXIMUM IN
overall_height	3.000 INCHES MAXIMUM IN
overall_length	3.210 INCHES MAXIMUM IN
winding_quantity	1
frequency_in_hertz	400.0 NOMINAL
end_item_identification	C-5AIRCRAFT
mounting_facility_pattern	RECTANGULAR SINGLE MOUNTING FACILITY
terminal_type_and_quantity	8 THREADED STUD ENERGIZING ELEMENT AND CONTACTS
unthreaded_mounting_hole_diameter	0.176 INCHES MINIMUM AND 0.182 INCHES MAXIMUM SINGLE MOUNTING FACILITY IN
mounting_facility_type_and_quantity	4 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY
nonpile-up_main_contact_arrangement	3 POLE, SINGLE THROW, NORMALLY OPEN, DOUBLE MAKE, MOMENTARY ACTION
NSN	5945-01-493-4161

COMPONENT DIAGRAM

KEY FEATURES

•

MOUNTING FACILITY TYPE AND QUANTITY: 4 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY

•

MAIN CONTACT MAXIMUM VOLTAGE RATING IN VOLTS: 208.0 AC

•

MOUNTING FACILITY PATTERN: RECTANGULAR SINGLE MOUNTING FACILITY

•

CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH: 1.875 INCHES NOMINAL SINGLE MOUNTING FACILITY IN

•

MAIN CONTACT LOAD CURRENT RATING AT MAXIMUM RATED VOLTAGE: 25.0 AMPERES AC RESISTIVE LOAD

TECHNICAL CHARACTERISTICS

MOUNTING FACILITY TYPE AND QUANTITY	4 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY
OVERALL HEIGHT	3.000 INCHES MAXIMUM IN
MAIN CONTACT MAXIMUM VOLTAGE RATING IN VOLTS	208.0 AC
MOUNTING FACILITY PATTERN	RECTANGULAR SINGLE MOUNTING FACILITY
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH	1.875 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
MAIN CONTACT LOAD CURRENT RATING AT MAXIMUM RATED VOLTAGE	25.0 AMPERES AC RESISTIVE LOAD
MAIN CONTACT LOAD CURRENT RATING AT MAXIMUM RATED VOLTAGE	25.0 AMPERES AC MOTOR LOAD
MAIN CONTACT LOAD CURRENT RATING AT MAXIMUM RATED VOLTAGE	5.0 AMPERES AC LAMP LOAD
UNTHREADED MOUNTING HOLE DIAMETER	0.176 INCHES MINIMUM AND 0.182 INCHES MAXIMUM SINGLE MOUNTING FACILITY IN
OVERALL LENGTH	3.210 INCHES MAXIMUM 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

No substitute or cross-reference records for this part.

LIFECYCLE

NSN statusActive· U.S. Government catalog

No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is C-21AA?

C-21AA is a RELAY,ELECTROMAGNETIC.

What is the NSN for C-21AA?

C-21AA is cataloged in the U.S. Government catalog under NSN 5945-01-493-4161. This indicates validated use in U.S. government and defense supply chains.

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C-21AA — RELAY,ELECTROMAGNETIC

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