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Technical Data Sheet
PartsTable / COMPONENT / 1543A-176
1543A-176 ✓ 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 RECTIFIER BLOCK ASSEMBLY is a the manufacturer industrial component. Key specifications include general_characteristics_item_description: PLASTIC,EPOXY; RED; 4.125 IN. LONG; 2.625 IN.

WIDE 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 5970-01-307-8704, 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
1543A-176
NSN: 5970-01-307-8704
FSC: 5970
CAGE: 98095 — POWER DESIGNS INC (USA)
SPECIFICATIONS
general_characteristics_item_descriptionPLASTIC,EPOXY; RED; 4.125 IN. LONG; 2.625 IN. WIDE IN
NSN5970-01-307-8704
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RECTIFIER BLOCK ASSEMBLY TITLE COMPONENT PN 1543A-176 MFR RECTIFIER BLOCK ASSEMB
KEY FEATURES
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: PLASTIC,EPOXY; RED; 4.125 IN. LONG; 2.625 IN. WIDE IN
TECHNICAL CHARACTERISTICS (FLIS)
GENERAL CHARACTERISTICS ITEM DESCRIPTIONPLASTIC,EPOXY; RED; 4.125 IN. LONG; 2.625 IN. WIDE IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
LA-6Interchangeable
interchangeable cross-reference
interchangeable
AT6Interchangeable
interchangeable cross-reference
interchangeable
ADR6Interchangeable
interchangeable cross-reference
interchangeable
E-P1USU00044-0005Interchangeable
interchangeable cross-reference
interchangeable
M-P1USU00044-0005/ ITEM 94Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1543A-176?
1543A-176 is a RECTIFIER BLOCK ASSEMBLY.
What parts can replace 1543A-176?
There are 5 known substitutes for 1543A-176: LA-6, AT6, ADR6 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1543A-176?
1543A-176 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5970-01-307-8704. 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