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Technical Data Sheet
421989-1 ✓ 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

CAP,PROTECTIVE,DUST AND MOISTURE. Key specifications include material: ALUMINUM BODY, filter_color: RED SINGLE LIGHT FIRST POSITION HORIZONTAL FULL DISPLAY DIVISION A, overall_length: 2.187 INCHES NOMINAL IN, mounting_method: PANEL, overall_diameter: 0.938 INCHES NOMINAL IN, style_designator: SLOT TYPE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6210-00-148-8031, 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
421989-1
NSN: 6210-00-148-8031
FSC: 6210
CAGE: 23302 — S. W. ELECTRONICS & MANUFACTURING CORP. DBA SWEMCO (USA)
SPECIFICATIONS
materialALUMINUM BODY
filter_colorRED SINGLE LIGHT FIRST POSITION HORIZONTAL FULL DISPLAY DIVISION A
overall_length2.187 INCHES NOMINAL IN
filter_quantity1
mounting_methodPANEL
overall_diameter0.938 INCHES NOMINAL IN
style_designatorSLOT TYPE
surface_treatmentANODIZE BODY
lamp_bulb_size_designatorT2
terminal_type_and_quantity2 SCREW
panel_accommodation_hole_diameter0.687 INCHES NOMINAL IN
panel_thickness_for_which_designed0.250 INCHES MAXIMUM IN
NSN6210-00-148-8031
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAP,PROTECTIVE,DUST AND MOISTURE TITLE COMPONENT PN 421989-1 MFR CAP,PROTECTIVE,DUST AN
KEY FEATURES
PANEL THICKNESS FOR WHICH DESIGNED: 0.250 INCHES MAXIMUM IN
FILTER QUANTITY: 1
PANEL ACCOMMODATION HOLE DIAMETER: 0.687 INCHES NOMINAL IN
MATERIAL: ALUMINUM BODY
LAMP BULB SIZE DESIGNATOR: T2
HAZARDOUS LOCATIONS/ENVIRONMENTAL PROTECTION: WATERPROOF
OVERALL DIAMETER: 0.938 INCHES NOMINAL IN
MOUNTING METHOD: PANEL
TECHNICAL CHARACTERISTICS (FLIS)
PANEL THICKNESS FOR WHICH DESIGNED0.250 INCHES MAXIMUM IN
FILTER QUANTITY1
PANEL ACCOMMODATION HOLE DIAMETER0.687 INCHES NOMINAL IN
MATERIALALUMINUM BODY
LAMP BULB SIZE DESIGNATORT2
HAZARDOUS LOCATIONS/ENVIRONMENTAL PROTECTIONWATERPROOF
OVERALL DIAMETER0.938 INCHES NOMINAL IN
MOUNTING METHODPANEL
SURFACE TREATMENTANODIZE BODY
STYLE DESIGNATORSLOT TYPE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
900-200Interchangeable
interchangeable cross-reference
interchangeable
360-050Interchangeable
interchangeable cross-reference
interchangeable
4582014-3Interchangeable
interchangeable cross-reference
interchangeable
66242-1Interchangeable
interchangeable cross-reference
interchangeable
SAS-1.8CCInterchangeable
interchangeable cross-reference
interchangeable
425BXX24VDCInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 421989-1?
421989-1 is a CAP,PROTECTIVE,DUST AND MOISTURE.
What parts can replace 421989-1?
There are 19 known substitutes for 421989-1: 900-200, 360-050, 4582014-3 and 16 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 421989-1?
421989-1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 6210-00-148-8031. This indicates validated use in U.S. government and defense supply chains.
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