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Technical Data Sheet
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20549-81 — RELAY,THERMAL

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

20549-81: RELAY,THERMAL.

The RELAY,THERMAL is a the manufacturer industrial component. Key specifications include overall_width: 1.490 INCHES NOMINAL IN, overall_height: 1.360 INCHES NOMINAL IN, overall_length: 2.900 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5945-01-174-5705, 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
20549-81
NSN: 5945-01-174-5705
FSC: 5945 — Relays and Solenoids
CAGE: 28478 — DELTROL CORP DELTROL CONTROLS DIV (USA)
SPECIFICATIONS
overall_width1.490 INCHES NOMINAL IN
overall_height1.360 INCHES NOMINAL IN
overall_length2.900 INCHES NOMINAL IN
NSN5945-01-174-5705
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RELAY,THERMAL TITLE COMPONENT PN 20549-81 MFR RELAY,THERMAL
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT1.360 INCHES NOMINAL IN
OVERALL LENGTH2.900 INCHES NOMINAL IN
OVERALL WIDTH1.490 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 1
02331-0741Reference 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
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FREQUENTLY ASKED QUESTIONS
What is 20549-81?
20549-81 is a RELAY,THERMAL.
What parts can replace 20549-81?
There is 1 known substitute for 20549-81: 02331-0741. Substitute compatibility should be verified for your specific system.
What is the NSN for 20549-81?
20549-81 is cataloged in the U.S. Government catalog under NSN 5945-01-174-5705. This indicates validated use in U.S. government and defense supply chains.
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