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Technical Data Sheet
IC21A ✓ 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

The MICROCIRCUIT,DIGITAL is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OR IRON COMP B OR IRON COMP A1 OR IRON COMP A2 OR IRON COMP A3 OVERALL, corner_shape: SQUARE ALL CORNERS, overall_length: 0.9950 INCHES MINIMUM AND 1.0050 INCHES MAXIMUM IN, hardness_rating: 30.0 ROCKWELL C MINIMUM AND 70.0 ROCKWELL C MAXIMUM OVERALL, style_designator: SOLID, PLAIN, NO OUTSIDE FLANGES, body_inside_diameter: 0.8760 INCHES MINIMUM AND 0.8770 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5962-00-938-9315, 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
IC21A
NSN: 5962-00-938-9315
FSC: 5962
CAGE: 10241 — TELEPHONE SYSTEMS/COMMUNICATIONS (USA)
SPECIFICATIONS
materialCOPPER ALLOY OR IRON COMP B OR IRON COMP A1 OR IRON COMP A2 OR IRON COMP A3 OVERALL
corner_shapeSQUARE ALL CORNERS
overall_length0.9950 INCHES MINIMUM AND 1.0050 INCHES MAXIMUM IN
hardness_rating30.0 ROCKWELL C MINIMUM AND 70.0 ROCKWELL C MAXIMUM OVERALL
style_designatorSOLID, PLAIN, NO OUTSIDE FLANGES
body_inside_diameter0.8760 INCHES MINIMUM AND 0.8770 INCHES MAXIMUM IN
body_outside_diameter1.0020 INCHES MINIMUM AND 1.0030 INCHES MAXIMUM IN
material_document_and_classificationMIL-L-15016, SYMBOL 2190 MIL SPEC SINGLE MATERIAL RESPONSE LUBRICATION
NSN5962-00-938-9315
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available MICROCIRCUIT,DIGITAL TITLE COMPONENT PN IC21A MFR MICROCIRCUIT,DIGITAL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
ML21AInterchangeable
interchangeable cross-reference
interchangeable
A1009-3Interchangeable
interchangeable cross-reference
interchangeable
P87-8Interchangeable
interchangeable cross-reference
interchangeable
AA1009-3Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is IC21A?
IC21A is a MICROCIRCUIT,DIGITAL.
What parts can replace IC21A?
There are 4 known substitutes for IC21A: ML21A, A1009-3, P87-8 and 1 more. Substitute compatibility should be verified for your specific system.
Is IC21A still available?
IC21A is currently cancelled.
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