257-221-A42 — RELAY,ELECTROMAGNETIC

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

257-221-A42: RELAY,ELECTROMAGNETIC.

The RELAY,ELECTROMAGNETIC is a the manufacturer industrial component. Key specifications include duty_cycle: CONTINUOUS, amp_size_rating: 10.0, special_features: STANDARD,INSTANTANEOUS AUXILIARY CONTACT BLOCK; FOR USE WITH RIGHT-SIDE MOUNTING; 4 CONTACTS, 2 NO, 2 NC, ac_voltage_rating: 600.0 VOLTS NOMINAL, end_item_identification: CONTROL CABINET 75H, PART NUMBER RP1/H21317 ABOARD 420 FT WAGB COAST GUARD VESSELS FT, criticality_code_justification: ZZZY. This part is cataloged in the U.S.

Government catalog under NSN 5945-01-297-8555, 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

257-221-A42

NSN: 5945-01-297-8555
FSC: 5945 — Relays and Solenoids
CAGE: 1XRQ4 — ALSTOM POWER CONVERSION USA INC DBA ALSTOM POWER CONVERSION INC. (USA)

SPECIFICATIONS

duty_cycle	CONTINUOUS
amp_size_rating	10.0
special_features	STANDARD,INSTANTANEOUS AUXILIARY CONTACT BLOCK; FOR USE WITH RIGHT-SIDE MOUNTING; 4 CONTACTS, 2 NO, 2 NC
ac_voltage_rating	600.0 VOLTS NOMINAL
end_item_identification	CONTROL CABINET 75H, PART NUMBER RP1/H21317 ABOARD 420 FT WAGB COAST GUARD VESSELS FT
criticality_code_justification	ZZZY
reference_number_differentiating_characteristics	MATERIAL WILL BE IN ACCORDANCE WITH NAVICP ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS
national_electrical_manufacturers_association_standards_design	DESIGNED PER NEMA STD
NSN	5945-01-297-8555

COMPONENT DIAGRAM

SUBSTITUTES & CROSS-REFERENCES 1

LA1-DN-22Reference 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 257-221-A42?

257-221-A42 is a RELAY,ELECTROMAGNETIC.

What parts can replace 257-221-A42?

There is 1 known substitute for 257-221-A42: LA1-DN-22. Substitute compatibility should be verified for your specific system.

What is the NSN for 257-221-A42?

257-221-A42 is cataloged in the U.S. Government catalog under NSN 5945-01-297-8555. This indicates validated use in U.S. government and defense supply chains.

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257-221-A42 — RELAY,ELECTROMAGNETIC

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