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Technical Data Sheet
PartsTable / COMPONENT / 406-6543
406-6543 ✓ 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

INSULATION BLANKET,CABIN,AIRCRAF. Key specifications include material: STEEL OVERALL, lug_width: 0.375 INCHES NOMINAL IN, lug_thickness: 0.375 INCHES NOMINAL IN, overall_length: 8.500 INCHES NOMINAL IN, opening_diameter: 2.750 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5120-00-406-6543, 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
406-6543
NSN: 5120-00-406-6543
FSC: 5120
CAGE: 80244 — GENERAL SERVICES ADMINISTRATION FEDERAL SUPPLY SERVICE (USA)
SPECIFICATIONS
materialSTEEL OVERALL
lug_width0.375 INCHES NOMINAL IN
lug_thickness0.375 INCHES NOMINAL IN
overall_length8.500 INCHES NOMINAL IN
opening_diameter2.750 INCHES NOMINAL IN
NSN5120-00-406-6543
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available INSULATION BLANKET,CABIN,AIRCRAF TITLE COMPONENT PN 406-6543 MFR INSULATION BLANKET,CAB
KEY FEATURES
•
OPENING DIAMETER: 2.750 INCHES NOMINAL IN
•
LUG WIDTH: 0.375 INCHES NOMINAL IN
•
LUG THICKNESS: 0.375 INCHES NOMINAL IN
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
OPENING DIAMETER2.750 INCHES NOMINAL IN
LUG WIDTH0.375 INCHES NOMINAL IN
OVERALL LENGTH8.500 INCHES NOMINAL IN
LUG THICKNESS0.375 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
BSG54-1Interchangeable
interchangeable cross-reference
interchangeable
20181Interchangeable
interchangeable cross-reference
interchangeable
3315342REVAPC181Interchangeable
interchangeable cross-reference
interchangeable
389994PC181Interchangeable
interchangeable cross-reference
interchangeable
AS4-1030-053Interchangeable
interchangeable cross-reference
interchangeable
70400-01250-053Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 406-6543?
406-6543 is a INSULATION BLANKET,CABIN,AIRCRAF.
What parts can replace 406-6543?
There are 10 known substitutes for 406-6543: BSG54-1, 20181, 3315342REVAPC181 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 406-6543?
406-6543 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5120-00-406-6543. 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