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PartsTable / COMPONENT / 20-1045-A1
20-1045-A1 ✓ 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

CASE,ELECTRONIC COMMUNICATIONS E. Key specifications include diameter: 4.3 MILLIMETERS MM, material: FIBER AND PLASTIC LOCATION NOT OTHERWISE SPECIFIED, case_style: SQUARE, head_style: FILLISTER, seal_width: 0.500 INCHES NOMINAL IN, head_height: 0.106 INCHES MINIMUM AND 0.113 INCHES MAXIMUM 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 5985-01-517-3655, 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
20-1045-A1
NSN: 5985-01-517-3655
FSC: 5985
CAGE: 41364 — VIAVI SOLUTIONS LLC DIV LENEXA (USA)
SPECIFICATIONS
diameter4.3 MILLIMETERS MM
materialFIBER AND PLASTIC LOCATION NOT OTHERWISE SPECIFIED
case_styleSQUARE
head_styleFILLISTER
seal_width0.500 INCHES NOMINAL IN
head_height0.106 INCHES MINIMUM AND 0.113 INCHES MAXIMUM IN
thread_class2A A
head_diameter0.250 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN
hole_diameter0.046 INCHES NOMINAL IN
hole_quantity1
overall_width4.00 INCHES NOMINAL IN
thread_length0.188 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
NSN5985-01-517-3655
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CASE,ELECTRONIC COMMUNICATIONS E TITLE COMPONENT PN 20-1045-A1 MFR CASE,ELECTRONIC COMMUN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
19760Interchangeable
interchangeable cross-reference
interchangeable
2622Interchangeable
interchangeable cross-reference
interchangeable
161710Interchangeable
interchangeable cross-reference
interchangeable
16485Interchangeable
interchangeable cross-reference
interchangeable
164-82Interchangeable
interchangeable cross-reference
interchangeable
77440Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 20-1045-A1?
20-1045-A1 is a CASE,ELECTRONIC COMMUNICATIONS E.
What parts can replace 20-1045-A1?
There are 13 known substitutes for 20-1045-A1: 19760, 2622, 161710 and 10 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 20-1045-A1?
20-1045-A1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5985-01-517-3655. 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