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PartsTable / COMPONENT / 579R491H01
579R491H01 ✓ Verified by PartsTable
— · COMPONENT
WHAT YOU NEED TO KNOW
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PRODUCT OVERVIEW

The 579R491H01 is a the manufacturer industrial component. Key specifications include material: STEEL, shank_style: STRAIGHT, shank_length: 0.204 INCHES NOMINAL IN, overall_depth: 0.390 INCHES NOMINAL IN, shank_diameter: 0.160 INCHES NOMINAL IN, inside_diameter: 0.094 INCHES MINIMUM AND 0.097 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 5355-01-089-3181, 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
579R491H01
NSN: 5355-01-089-3181
FSC: 5355
CAGE: 97942 — NORTHROP GRUMMAN SYSTEMS CORPORATION DBA NORTHROP GRUMMAN SYSTEMS CORP (USA)
SPECIFICATIONS
materialSTEEL
shank_styleSTRAIGHT
shank_length0.204 INCHES NOMINAL IN
overall_depth0.390 INCHES NOMINAL IN
shank_diameter0.160 INCHES NOMINAL IN
inside_diameter0.094 INCHES MINIMUM AND 0.097 INCHES MAXIMUM IN
outside_diameter0.220 INCHES NOMINAL IN
screw_drive_typeHEXAGON SOCKET
style_designatorROUND
attachment_methodSETSCREWS
overall_thickness0.500 INCHES NOMINAL IN
nominal_thread_size0.112 INCHES SCREW HOLE IN
NSN5355-01-089-3181
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available 579R491H01 TITLE COMPONENT PN 579R491H01 MFR 579R491H01
KEY FEATURES
•
SETSCREW HOLE QUANTITY: 1
•
SHAFT ACCOMMODATION STYLE: ROUND
•
ATTACHMENT METHOD: SETSCREWS
•
SCREW DRIVE TYPE: HEXAGON SOCKET
•
OVERALL THICKNESS: 0.500 INCHES NOMINAL IN
•
NOMINAL THREAD SIZE: 0.112 INCHES SCREW HOLE IN
•
MATERIAL: STEEL
TECHNICAL CHARACTERISTICS (FLIS)
SETSCREW HOLE QUANTITY1
OVERALL DEPTH0.390 INCHES NOMINAL IN
SHAFT ACCOMMODATION STYLEROUND
ATTACHMENT METHODSETSCREWS
SCREW DRIVE TYPEHEXAGON SOCKET
OVERALL THICKNESS0.500 INCHES NOMINAL IN
NOMINAL THREAD SIZE0.112 INCHES SCREW HOLE IN
MATERIALSTEEL
STYLE DESIGNATORROUND
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC) SCREW HOLE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
5052Interchangeable
interchangeable cross-reference
interchangeable
47572Interchangeable
interchangeable cross-reference
interchangeable
2503Interchangeable
interchangeable cross-reference
interchangeable
DWG5120-00-288-7784Interchangeable
interchangeable cross-reference
interchangeable
003-0004-00Interchangeable
interchangeable cross-reference
interchangeable
102-177-5PC2042Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 579R491H01?
579R491H01 is a 579R491H01.
What parts can replace 579R491H01?
There are 14 known substitutes for 579R491H01: 5052, 47572, 2503 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 579R491H01?
579R491H01 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5355-01-089-3181. 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