PartsTable
Technical Data Sheet
Download PDF

021-000557 — RELAY,THERMAL

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

021-000557: RELAY,THERMAL.

The RELAY,THERMAL is a the manufacturer industrial component. Key specifications include overall_length: 2.375 INCHES NOMINAL IN, overall_diameter: 0.921 INCHES NOMINAL IN, special_features: TWO 0.130 IN. DIA MTG HOLES SPACED 1.125 IN.

C TO C; TERMINALS 1,4,6 AND 7 ARE INTERNALLY CONNECTED IN, contact_arrangement: SINGLE POLE, SINGLE THROW, NORMALLY OPEN, delay_time_in_seconds: 150.0 FIXED OPERATE NOMINAL, terminal_type_and_quantity: 7 PIN. This part is cataloged in the U.S. Government catalog under NSN 5945-00-823-2227, 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
021-000557
NSN: 5945-00-823-2227
FSC: 5945 — Relays and Solenoids
CAGE: 26916 — NORTHROP GRUMMAN SYSTEMS CORPORATION DBA NORTHROP GRUMMAN SYSTEMS CORP DIV MULTIPLE (USA)
SPECIFICATIONS
overall_length2.375 INCHES NOMINAL IN
overall_diameter0.921 INCHES NOMINAL IN
special_featuresTWO 0.130 IN. DIA MTG HOLES SPACED 1.125 IN. C TO C; TERMINALS 1,4,6 AND 7 ARE INTERNALLY CONNECTED IN
contact_arrangementSINGLE POLE, SINGLE THROW, NORMALLY OPEN
delay_time_in_seconds150.0 FIXED OPERATE NOMINAL
terminal_type_and_quantity7 PIN
heater_power_rating_in_watts4.0
mounting_facility_type_and_quantity2 UNTHREADED HOLE(S)
contact_maximum_current_rating_in_amps3.0 AC OR 0.125 DC
NSN5945-00-823-2227
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RELAY,THERMAL TITLE COMPONENT PN 021-000557 MFR RELAY,THERMAL
KEY FEATURES
•
MOUNTING FACILITY TYPE AND QUANTITY: 2 UNTHREADED HOLE(S)
•
CONTACT MAXIMUM VOLTAGE RATING IN VOLTS: 115.0 AC AND 28.0 DC
•
DELAY TIME IN SECONDS: 150.0 FIXED OPERATE NOMINAL
•
CONTACT ARRANGEMENT: SINGLE POLE, SINGLE THROW, NORMALLY OPEN
•
OVERALL DIAMETER: 0.921 INCHES NOMINAL IN
•
HEATER POWER RATING IN WATTS: 4.0
•
HEATER VOLTAGE RATING IN VOLTS: 27.0
TECHNICAL CHARACTERISTICS
MOUNTING FACILITY TYPE AND QUANTITY2 UNTHREADED HOLE(S)
CONTACT MAXIMUM VOLTAGE RATING IN VOLTS115.0 AC AND 28.0 DC
DELAY TIME IN SECONDS150.0 FIXED OPERATE NOMINAL
CONTACT ARRANGEMENTSINGLE POLE, SINGLE THROW, NORMALLY OPEN
OVERALL DIAMETER0.921 INCHES NOMINAL IN
HEATER POWER RATING IN WATTS4.0
HEATER VOLTAGE RATING IN VOLTS27.0
OVERALL LENGTH2.375 INCHES NOMINAL IN
CONTACT MAXIMUM CURRENT RATING IN AMPS3.0 AC OR 0.125 DC
SPECIAL FEATURESTWO 0.130 IN. DIA MTG HOLES SPACED 1.125 IN. C TO C; TERMINALS 1,4,6 AND 7 ARE INTERNALLY CONNECTED 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
RF160N028-150SECReference document
Same NSN cross-reference
Reference document — Secondary reference
GT3836Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
Ready to buy 021-000557?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 021-000557?
021-000557 is a RELAY,THERMAL.
What parts can replace 021-000557?
There are 2 known substitutes for 021-000557: RF160N028-150SEC, GT3836. Substitute compatibility should be verified for your specific system.
What is the NSN for 021-000557?
021-000557 is cataloged in the U.S. Government catalog under NSN 5945-00-823-2227. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 021-000557