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Technical Data Sheet
A73 ✓ 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 angle: 42.0 DEGREES, material: RUBBER AND FIBER BODY, end_style: SPRING END,SQUARED AND GROUND BOTH ENDS, body_length: 0.400 INCHES NOMINAL IN, head_height: 0.220 INCHES NOMINAL IN, thread_class: 2A EXTERNAL A. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4320-00-035-7573, 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
A73
NSN: 4320-00-035-7573
FSC: 4320
CAGE: 63857 — CIRCOR NAVAL SOLUTIONS LLC DBA WARREN PUMPS (USA)
SPECIFICATIONS
angle42.0 DEGREES
materialRUBBER AND FIBER BODY
end_styleSPRING END,SQUARED AND GROUND BOTH ENDS
body_length0.400 INCHES NOMINAL IN
head_height0.220 INCHES NOMINAL IN
thread_class2A EXTERNAL A
coil_quantity7-1/2
nominal_width0.500 INCHES IN
thread_length0.275 INCHES NOMINAL EXTERNAL IN
inside_diameter1.250 INCHES NOMINAL IN
connection_stylePLAIN
special_featuresCASCADABLE TO-8
NSN4320-00-035-7573
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available MICROCIRCUIT,DIGITAL TITLE COMPONENT PN A73 MFR MICROCIRCUIT,DIGITAL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
572-517-9001Interchangeable
interchangeable cross-reference
interchangeable
A73Interchangeable
interchangeable cross-reference
interchangeable
5365PL0170739Interchangeable
interchangeable cross-reference
interchangeable
DC2862Interchangeable
interchangeable cross-reference
interchangeable
DH9867Interchangeable
interchangeable cross-reference
interchangeable
417-652223Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A73?
A73 is a MICROCIRCUIT,DIGITAL.
What parts can replace A73?
There are 10 known substitutes for A73: 572-517-9001, A73, 5365PL0170739 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for A73?
A73 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4320-00-035-7573. This indicates validated use in U.S. government and defense supply chains.
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