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Technical Data Sheet
1855520 ✓ Verified by PartsTable
· COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The CONTACT SET,DISTRIBUTOR is a the manufacturer industrial component. Key specifications include duty_type: CONTINUOUS, contact_type: BUTTON, overall_width: 0.390 INCHES NOMINAL IN, overall_height: 0.450 INCHES NOMINAL IN, overall_length: 0.750 INCHES NOMINAL IN, terminal_type_and_quantity: 4 WIRE LEAD ALL FUNCTIONS. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5945-00-116-5147, 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
1855520
NSN: 5945-00-116-5147
FSC: 5945
CAGE: 03956 — NORTHROP GRUMMAN SYSTEMS CORPORATION (USA)
SPECIFICATIONS
duty_typeCONTINUOUS
contact_typeBUTTON
coil_quantity1
overall_width0.390 INCHES NOMINAL IN
overall_height0.450 INCHES NOMINAL IN
overall_length0.750 INCHES NOMINAL IN
contact_quantity2
winding_quantity1
terminal_type_and_quantity4 WIRE LEAD ALL FUNCTIONS
winding_dc_resistance_rating20.0 OHMS NOMINAL SINGLE WINDING
accessory_components_and_quantityMOVEABLE ARM 1; STATIONARY ARM 1
mounting_facility_type_and_quantity4 TERMINAL SINGLE MOUNTING FACILITY
NSN5945-00-116-5147
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CONTACT SET,DISTRIBUTOR TITLE COMPONENT PN 1855520 MFR CONTACT SET,DISTRIBUTO
KEY FEATURES
COIL QUANTITY: 1
DUTY TYPE: CONTINUOUS
OPERATING VOLTAGE RATING AND TYPE AT SPECIFIED TEMP: 12.0 VOLTS DC 25 DEG CELSIUS SINGLE WINDING
NONPILE-UP MAIN CONTACT ARRANGEMENT: 1 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION
MOUNTING FACILITY TYPE AND QUANTITY: 4 TERMINAL SINGLE MOUNTING FACILITY
TECHNICAL CHARACTERISTICS (FLIS)
COIL QUANTITY1
OVERALL LENGTH0.750 INCHES NOMINAL IN
DUTY TYPECONTINUOUS
OVERALL WIDTH0.390 INCHES NOMINAL IN
OPERATING VOLTAGE RATING AND TYPE AT SPECIFIED TEMP12.0 VOLTS DC 25 DEG CELSIUS SINGLE WINDING
NONPILE-UP MAIN CONTACT ARRANGEMENT1 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION
MOUNTING FACILITY TYPE AND QUANTITY4 TERMINAL SINGLE MOUNTING FACILITY
OVERALL HEIGHT0.450 INCHES NOMINAL IN
WINDING QUANTITY1
WINDING DC RESISTANCE RATING20.0 OHMS NOMINAL SINGLE WINDING
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
DR1821Interchangeable
interchangeable cross-reference
interchangeable
35216Interchangeable
interchangeable cross-reference
interchangeable
D109Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1855520?
1855520 is a CONTACT SET,DISTRIBUTOR.
What parts can replace 1855520?
There are 3 known substitutes for 1855520: DR1821, 35216, D109. Substitute compatibility should be verified for your specific system.
What is the NSN for 1855520?
1855520 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5945-00-116-5147. This indicates validated use in U.S. government and defense supply chains.
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