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101643 — CIRCUIT CARD ASSEMBLY

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

101643: CIRCUIT CARD ASSEMBLY.

The CIRCUIT CARD ASSEMBLY is a the manufacturer industrial component. Key specifications include phase: THREE, material: STEEL OVERALL, body_depth: 0.800 INCHES MAXIMUM IN, body_style: PLAIN, SOLID, body_width: 1.500 INCHES NOMINAL IN, tooth_form: STANDARD. This part is cataloged in the U.S.

Government catalog under NSN 3020-00-431-9294, 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
101643
NSN: 3020-00-431-9294
NIINs: 004319294, 006264540, 007399071, 009342512, 009819004, 009932538, 012987134, 013666980, 015881156
FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
CAGE: 88818 — KEARFOTT CORPORATION DIV GUIDANCE AND NAVIGATION DIVISION (USA)
SPECIFICATIONS
phaseTHREE
materialSTEEL OVERALL
body_depth0.800 INCHES MAXIMUM IN
body_stylePLAIN, SOLID
body_width1.500 INCHES NOMINAL IN
tooth_formSTANDARD
body_length4.800 INCHES MAXIMUM IN
power_sourceAC
thread_class2A A
thread_length1.250 INCHES NOMINAL IN
pitch_diameter0.4370 INCHES NOMINAL IN
pressure_angle14.5000 DEGREES
NSN3020-00-431-9294
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CIRCUIT CARD ASSEMBLY TITLE COMPONENT PN 101643 MFR CIRCUIT CARD ASSEMBLY
KEY FEATURES
•
BORE NOMINAL DIAMETER: 0.156 INCHES BOTH ENDS IN
•
HUB NOMINAL DIAMETER: 0.313 INCHES FIRST END IN
•
TEETH QUANTITY: 21
•
BODY STYLE: PLAIN, SOLID
•
NOMINAL OVERALL LENGTH: 0.234 INCHES IN
•
STYLE DESIGNATOR: PROTRUDING HUB
•
MATERIAL DOCUMENT AND CLASSIFICATION: AISI 416/SAE 51416 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
PITCH DIAMETER: 0.4370 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
BORE NOMINAL DIAMETER0.156 INCHES BOTH ENDS IN
HUB NOMINAL DIAMETER0.313 INCHES FIRST END IN
TEETH QUANTITY21
BODY STYLEPLAIN, SOLID
NOMINAL OVERALL LENGTH0.234 INCHES IN
STYLE DESIGNATORPROTRUDING HUB
MATERIAL DOCUMENT AND CLASSIFICATIONAISI 416/SAE 51416 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
PITCH DIAMETER0.4370 INCHES NOMINAL IN
TOOTH FORMSTANDARD
NOMINAL OUTSIDE DIAMETER0.479 INCHES IN
SUBSTITUTES & CROSS-REFERENCES 2
118281Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
56321Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 101643?
101643 is a CIRCUIT CARD ASSEMBLY.
What parts can replace 101643?
There are 2 known substitutes for 101643: 118281, 56321. Substitute compatibility should be verified for your specific system.
What is the NSN for 101643?
101643 is cataloged in the U.S. Government catalog under NSN 3020-00-431-9294. 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.