PartsTable
Technical Data Sheet
Download PDF

542-3993-002 — CIRCUIT CARD ASSEMBLY

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

542-3993-002: CIRCUIT CARD ASSEMBLY.

The CIRCUIT CARD ASSEMBLY is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY 2024 OVERALL, body_style: PLAIN, SOLID, bore_style: PLAIN BOTH ENDS, tooth_form: STANDARD, pitch_diameter: 0.7500 INCHES NOMINAL IN, pressure_angle: 20.0000 DEGREES. This part is cataloged in the U.S.

Government catalog under NSN 3020-00-671-1179, 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
542-3993-002
NSN: 3020-00-671-1179
FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
CAGE: 13499 — ROCKWELL COLLINS, INC. DBA COLLINS AEROSPACE GOVERNMENT SYSTEMS DIV COLLINS AEROSPACE - GOVERNMENT SYSTEMS (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 2024 OVERALL
body_stylePLAIN, SOLID
bore_stylePLAIN BOTH ENDS
tooth_formSTANDARD
pitch_diameter0.7500 INCHES NOMINAL IN
pressure_angle20.0000 DEGREES
teeth_quantity48
special_featuresMTG HOLES 90 DEG APART
style_designatorPROTRUDING HUB
face_nominal_width0.125 INCHES IN
backlash_designationGRADE A
hub_nominal_diameter0.375 INCHES FIRST END IN
NSN3020-00-671-1179
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CIRCUIT CARD ASSEMBLY TITLE COMPONENT PN 542-3993-002 MFR CIRCUIT CARD ASSEMBLY
KEY FEATURES
•
BORE NOMINAL DIAMETER: 0.091 INCHES BOTH ENDS IN
•
HUB NOMINAL DIAMETER: 0.375 INCHES FIRST END IN
•
BACKLASH DESIGNATION: GRADE A
•
TEETH QUANTITY: 48
•
BODY STYLE: PLAIN, SOLID
•
BORE STYLE: PLAIN BOTH ENDS
•
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END: 0.219 INCHES FIRST END IN
•
STYLE DESIGNATOR: PROTRUDING HUB
TECHNICAL CHARACTERISTICS
BORE NOMINAL DIAMETER0.091 INCHES BOTH ENDS IN
HUB NOMINAL DIAMETER0.375 INCHES FIRST END IN
BACKLASH DESIGNATIONGRADE A
TEETH QUANTITY48
BODY STYLEPLAIN, SOLID
BORE STYLEPLAIN BOTH ENDS
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END0.219 INCHES FIRST END IN
STYLE DESIGNATORPROTRUDING HUB
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225/6,T4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
PITCH DIAMETER0.7500 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 1
127221Same 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
Ready to buy 542-3993-002?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 542-3993-002?
542-3993-002 is a CIRCUIT CARD ASSEMBLY.
What parts can replace 542-3993-002?
There is 1 known substitute for 542-3993-002: 127221. Substitute compatibility should be verified for your specific system.
What is the NSN for 542-3993-002?
542-3993-002 is cataloged in the U.S. Government catalog under NSN 3020-00-671-1179. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 542-3993-002

✓ 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.