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Technical Data Sheet
PartsTable / MOTHERBOARD / 402923
402923 ✓ Verified by PartsTable
— · MOTHERBOARD · BACKPLANE
WHAT YOU NEED TO KNOW
Backplanes — always check if cables are included or just the assembly.
PRODUCT OVERVIEW

The PRINTED CIRCUIT BOARD is a the manufacturer industrial component. Key specifications include jaw_type: CURVED, material: STEEL CORROSION RESISTING OVERALL, hole_diameter: 0.172 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN, overall_width: 2.562 INCHES NOMINAL IN, overall_length: 8.500 INCHES NOMINAL IN, special_features: AFBMA STANDARD TOLERANCE FOR BALLS,GRADE 24. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5998-00-421-8127, 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
MOTHERBOARD→ BACKPLANE→ 402923
NSN: 5998-00-421-8127
FSC: 5998 — CIRCUIT CARD ASSEMBLY
CAGE: 21793 — ASTRONICS TEST SYSTEMS INC (USA)
SPECIFICATIONS
jaw_typeCURVED
materialSTEEL CORROSION RESISTING OVERALL
jaw_quantity3
hole_diameter0.172 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
overall_width2.562 INCHES NOMINAL IN
overall_length8.500 INCHES NOMINAL IN
special_featuresAFBMA STANDARD TOLERANCE FOR BALLS,GRADE 24
style_designatorBALL
aperture_diameter1.859 INCHES NOMINAL IN
bolt_hole_quantity2
design_designationLOWMAN MODIFIED
jaw_grasping_methodSERRATED
NSN5998-00-421-8127
COMPONENT DIAGRAM
BAY 0SAS/SATA BAY 1SAS/SATA BAY 2SAS/SATA BAY 3SAS/SATA BAY 4SAS/SATA BAY 5SAS/SATA BAY 6SAS/SATA BAY 7SAS/SATA SAS EXP CHIP SAS IN 0 SAS IN 1 PWR 8-BAY SFF DRIVE BACKPLANE | 8-Bay SFF | SAS/SATA SAS expander | Dual SAS input | SAS/SATA TITLE BACKPLANE PN 402923 MFR PRINTED CIRCUIT BOARD
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
402923Interchangeable
interchangeable cross-reference
interchangeable
10068983-2Interchangeable
interchangeable cross-reference
interchangeable
2030-789Interchangeable
interchangeable cross-reference
interchangeable
16FM18C7-32Interchangeable
interchangeable cross-reference
interchangeable
7-32BALLGRADE2Interchangeable
interchangeable cross-reference
interchangeable
SK40-2923AInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 402923?
402923 is a PRINTED CIRCUIT BOARD. It is classified as a MOTHERBOARD (BACKPLANE).
What parts can replace 402923?
There are 7 known substitutes for 402923: 402923, 10068983-2, 2030-789 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 402923?
402923 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5998-00-421-8127. 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