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521228 — COVER,ELECTRICAL SWITCH

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

521228: COVER,ELECTRICAL SWITCH.

The COVER,ELECTRICAL SWITCH is a the manufacturer industrial component. Key specifications include material: ALUMINUM, body_width: 2.530 INCHES NOMINAL IN, body_height: 1.125 INCHES NOMINAL IN, body_length: 4.720 INCHES NOMINAL IN, special_markings: MARKED MODE 2 ABC AND D, mounting_configuration: TWO 0.166 IN. DIA MTG HOLES DIAGONALLY SPACED ON 2.937 IN.

BY 0.939 IN. MTG CENTERS IN. This part is cataloged in the U.S.

Government catalog under NSN 5930-00-884-0004, 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
521228
NSN: 5930-00-884-0004
NIINs: 008840004, 010785306
FSC: 5930 — Switches
CAGE: 80249 — BAE SYSTEMS INFORMATION AND ELECTRONIC SYSTEMS INTEGRATION INC. (USA)
SPECIFICATIONS
materialALUMINUM
body_width2.530 INCHES NOMINAL IN
body_height1.125 INCHES NOMINAL IN
body_length4.720 INCHES NOMINAL IN
special_markingsMARKED MODE 2 ABC AND D
mounting_configurationTWO 0.166 IN. DIA MTG HOLES DIAGONALLY SPACED ON 2.937 IN. BY 0.939 IN. MTG CENTERS IN
end_item_identificationTF33 ENGS
general_characteristics_item_descriptionFOR REWORK OF ALL DIFFUSER CASE ASSEMBLIES
NSN5930-00-884-0004
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available COVER,ELECTRICAL SWITCH TITLE COMPONENT PN 521228 MFR COVER,ELECTRICAL SWITC
KEY FEATURES
•
BODY WIDTH: 2.530 INCHES NOMINAL IN
•
BODY HEIGHT: 1.125 INCHES NOMINAL IN
•
BODY LENGTH: 4.720 INCHES NOMINAL IN
•
MOUNTING CONFIGURATION: TWO 0.166 IN. DIA MTG HOLES DIAGONALLY SPACED ON 2.937 IN. BY 0.939 IN. MTG CENTERS IN
•
SPECIAL MARKINGS: MARKED MODE 2 ABC AND D
•
MATERIAL: ALUMINUM
TECHNICAL CHARACTERISTICS
BODY WIDTH2.530 INCHES NOMINAL IN
BODY HEIGHT1.125 INCHES NOMINAL IN
BODY LENGTH4.720 INCHES NOMINAL IN
MOUNTING CONFIGURATIONTWO 0.166 IN. DIA MTG HOLES DIAGONALLY SPACED ON 2.937 IN. BY 0.939 IN. MTG CENTERS IN
SPECIAL MARKINGSMARKED MODE 2 ABC AND D
MATERIALALUMINUM
SUBSTITUTES & CROSS-REFERENCES 2
5800765-201100-001Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
15P236663Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 521228?
521228 is a COVER,ELECTRICAL SWITCH.
What parts can replace 521228?
There are 2 known substitutes for 521228: 5800765-201100-001, 15P236663. Substitute compatibility should be verified for your specific system.
What is the NSN for 521228?
521228 is cataloged in the U.S. Government catalog under NSN 5930-00-884-0004. 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.