R1780 — COVER,HEAT DISSIPATOR

✓ Government record, cited

— · MRO · MRO_GENERAL

PRODUCT OVERVIEW

R1780: COVER,HEAT DISSIPATOR.

The COVER,HEAT DISSIPATOR is a the manufacturer industrial component. Key specifications include overall_width: 1.625 INCHES NOMINAL IN, inclosure_type: FULLY INCLOSED, overall_height: 2.000 INCHES NOMINAL IN, overall_length: 3.250 INCHES NOMINAL IN, mounting_method: FLANGE AND UNTHREADED HOLE(S) SINGLE GROUP, frequency_rating: 50.0 HERTZ NOMINAL OR 60.0 HERTZ NOMINAL SINGLE COMPONENT. This part is cataloged in the U.S.

Government catalog under NSN 5905-00-785-3298, 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

MRO→ MRO_GENERAL→ R1780

NSN: 5905-00-785-3298
NIINs: 007853298, 010042496
FSC: 5905 — Resistor
CAGE: 28262 — QUALITY TRANSFORMER CORP (USA)

SPECIFICATIONS

overall_width	1.625 INCHES NOMINAL IN
inclosure_type	FULLY INCLOSED
overall_height	2.000 INCHES NOMINAL IN
overall_length	3.250 INCHES NOMINAL IN
mounting_method	FLANGE AND UNTHREADED HOLE(S) SINGLE GROUP
frequency_rating	50.0 HERTZ NOMINAL OR 60.0 HERTZ NOMINAL SINGLE COMPONENT
winding_power_rating	16.8 VOLTS-AMPERES SINGLE COMPONENT SINGLE SECONDARY
reliability_indicator	NOT ESTABLISHED
mounting_hole_diameter	0.188 INCHES NOMINAL SINGLE GROUP IN
winding_operating_current	700.0 MILLIAMPERES AC NOMINAL SINGLE COMPONENT SINGLE SECONDARY
winding_operating_voltage	117.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
mounting_facility_quantity	2 SINGLE GROUP
NSN	5905-00-785-3298

COMPONENT DIAGRAM

SUBSTITUTES & CROSS-REFERENCES 1

3110-02-1Reference 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 R1780?

R1780 is a COVER,HEAT DISSIPATOR. It is classified as a MRO (MRO_GENERAL).

What parts can replace R1780?

There is 1 known substitute for R1780: 3110-02-1. Substitute compatibility should be verified for your specific system.

What is the NSN for R1780?

R1780 is cataloged in the U.S. Government catalog under NSN 5905-00-785-3298. This indicates validated use in U.S. government and defense supply chains.

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R1780 — COVER,HEAT DISSIPATOR

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