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77087 — HEATING ELEMENT,ELECTRICAL,NONIM

✓ Government record, cited
Trust · COMPONENT
PRODUCT OVERVIEW

77087: HEATING ELEMENT,ELECTRICAL,NONIM.

- Can easily be placed in any indoor socket - 5 melodies and 4 volume levels - Possible to assign different melodies to different transmitters - Led indicator that clearly indicates when the doorbell is activated This part is cataloged in the U.S. Government catalog under NSN 4520-01-420-6863, 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
77087
NSN: 4520-01-420-6863
NIINs: 014206863, 016784424
FSC: 4520 — Space and Water Heating Equipment
CAGE: D9182 — ZF INDUSTRIEANTRIEBE WITTEN GMBH (DEU)
SPECIFICATIONS
materialSTEEL
power_sourceEXTERNAL
movement_typeMOVING COIL, PERMANENT MAGNET
pointer_colorBLACK SINGLE INDICATOR ALL RANGES
indicator_typeDIAL W/POINTER
overall_length2.470 INCHES NOMINAL IN
overall_diameter3.500 INCHES NOMINAL IN
special_featuresRUGGEDIZED
style_designatorROUND FLUSH MTG
features_providedZERO ADJUSTER
measurement_range+0.0 TO 10.0 VOLTS, DC SINGLE INDICATOR THIRD RANGE
surface_treatmentENAMEL
NSN4520-01-420-6863
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR MFR: Trust HEATING ELEMENT,ELECTRICAL,NONIM TITLE COMPONENT PN 77087 MFR Trust HEATING ELEMENT,ELECTR
SUBSTITUTES & CROSS-REFERENCES 10
77090Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
77104Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
77095Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
77088Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
77101Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
77097Reference 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 77087?
77087 is a HEATING ELEMENT,ELECTRICAL,NONIM manufactured by Trust.
What parts can replace 77087?
There are 10 known substitutes for 77087: 77090, 77104, 77095 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 77087?
77087 is cataloged in the U.S. Government catalog under NSN 4520-01-420-6863. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.