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Technical Data Sheet
PartsTable / MRO / 543LX
543LX ✓ Verified by PartsTable
— · MRO · MRO_GENERAL
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 KEYTOP,KEYBOARD is a the manufacturer industrial component. Key specifications include material: PLASTIC BOARD, dial_size: 2 IN. DIA IN, bezel_type: SLIPS-ON, body_style: STRIP TYPE, body_width: 1.625 INCHES NOMINAL IN, flow_angle: 90.0 DEGREES.

This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5815-00-547-7869, 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→ 543LX
NSN: 5815-00-547-7869
FSC: 5815
CAGE: 27361 — BURKE PRODUCTS INC (USA)
SPECIFICATIONS
materialPLASTIC BOARD
dial_size2 IN. DIA IN
bezel_typeSLIPS-ON
body_styleSTRIP TYPE
body_width1.625 INCHES NOMINAL IN
flow_angle90.0 DEGREES
leg_length1.188 INCHES NOMINAL ALL ENDS IN
point_typeCONVENTIONAL
scale_namePRESSURE
scale_typeMULTIPLE
body_height1.625 INCHES NOMINAL IN
body_length2.375 INCHES NOMINAL IN
NSN5815-00-547-7869
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available KEYTOP,KEYBOARD TITLE COMPONENT PN 543LX MFR KEYTOP,KEYBOARD
VERIFIED SUBSTITUTES & CROSS-REFERENCES 23
1-AAB-04700-ADA-003Interchangeable
interchangeable cross-reference
interchangeable
1000Interchangeable
interchangeable cross-reference
interchangeable
120 55/64Interchangeable
interchangeable cross-reference
interchangeable
2411 55/64Interchangeable
interchangeable cross-reference
interchangeable
49755Interchangeable
interchangeable cross-reference
interchangeable
396040-1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 543LX?
543LX is a KEYTOP,KEYBOARD. It is classified as a MRO (MRO_GENERAL).
What parts can replace 543LX?
There are 23 known substitutes for 543LX: 1-AAB-04700-ADA-003, 1000, 120 55/64 and 20 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 543LX?
543LX is cataloged in the Federal Logistics Information System (FLIS) under NSN 5815-00-547-7869. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026