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A403DSC — MICROCIRCUIT,DIGITAL

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

A403DSC: MICROCIRCUIT,DIGITAL.

The MICROCIRCUIT,DIGITAL is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, body_width: 2.875 INCHES NOMINAL IN, cover_type: SPIDER, body_length: 4.250 INCHES NOMINAL IN, inside_depth: 2.625 INCHES NOMINAL IN, overall_width: 3.310 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5975-00-116-0803, 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
A403DSC
NSN: 5975-00-116-0803
NIINs: 001160803, 014802813
FSC: 5975 — Electrical Hardware and Supplies
CAGE: 00843 — HOFFMAN ENGINEERING CO DIV OF FEDERAL CARTRIDGE CORP (USA)
SPECIFICATIONS
materialSTEEL OVERALL
body_width2.875 INCHES NOMINAL IN
cover_typeSPIDER
body_length4.250 INCHES NOMINAL IN
inside_depth2.625 INCHES NOMINAL IN
overall_width3.310 INCHES NOMINAL IN
overall_height2.860 INCHES NOMINAL IN
overall_length5.560 INCHES NOMINAL IN
style_designatorDOUBLE END MOUNTED
surface_treatmentENAMEL BODY
mounting_hole_diameter0.280 INCHES NOMINAL IN
cover_attachment_methodSCREW
NSN5975-00-116-0803
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available MICROCIRCUIT,DIGITAL TITLE COMPONENT PN A403DSC MFR MICROCIRCUIT,DIGITAL
KEY FEATURES
•
COVER MOUNTING HOLE QUANTITY: 2
•
INSIDE DEPTH: 2.625 INCHES NOMINAL IN
•
BODY WIDTH: 2.875 INCHES NOMINAL IN
•
STYLE DESIGNATOR: RECTANGULAR-SPECIAL COVERED
•
BODY LENGTH: 4.250 INCHES NOMINAL IN
•
COVER TYPE: BLANK
•
COVER ATTACHMENT METHOD: SCREW
•
SURFACE TREATMENT: ENAMEL COVER
TECHNICAL CHARACTERISTICS
COVER MOUNTING HOLE QUANTITY2
INSIDE DEPTH2.625 INCHES NOMINAL IN
BODY WIDTH2.875 INCHES NOMINAL IN
STYLE DESIGNATORRECTANGULAR-SPECIAL COVERED
BODY LENGTH4.250 INCHES NOMINAL IN
COVER TYPEBLANK
COVER ATTACHMENT METHODSCREW
SURFACE TREATMENTENAMEL COVER
SURFACE TREATMENTENAMEL BODY
ENVIRONMENTAL PROTECTIONDUSTPROOF AND OIL RESISTANT AND WATERTIGHT
SUBSTITUTES & CROSS-REFERENCES 2
654729Reference document
Same NSN cross-reference
Reference document — Secondary reference
A-403SCReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is A403DSC?
A403DSC is a MICROCIRCUIT,DIGITAL.
What parts can replace A403DSC?
There are 2 known substitutes for A403DSC: 654729, A-403SC. Substitute compatibility should be verified for your specific system.
What is the NSN for A403DSC?
A403DSC is cataloged in the U.S. Government catalog under NSN 5975-00-116-0803. 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.