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PartsTable / COMPONENT / 579R491H02
579R491H02 ✓ 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 579R491H02 is a the manufacturer industrial component. Key specifications include material: STEEL, shank_style: STRAIGHT, shank_length: 0.094 INCHES NOMINAL IN, overall_depth: 0.450 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 5355-00-179-9727, 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
579R491H02
NSN: 5355-00-179-9727
FSC: 5355
CAGE: 97942 — NORTHROP GRUMMAN SYSTEMS CORPORATION DBA NORTHROP GRUMMAN SYSTEMS CORP (USA)
SPECIFICATIONS
materialSTEEL
shank_styleSTRAIGHT
shank_length0.094 INCHES NOMINAL IN
overall_depth0.450 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_typeSLOT
style_designatorROUND
attachment_methodSETSCREWS
overall_thickness0.450 INCHES NOMINAL IN
nominal_thread_size0.112 INCHES SCREW HOLE IN
NSN5355-00-179-9727
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available 579R491H02 TITLE COMPONENT PN 579R491H02 MFR 579R491H02
KEY FEATURES
•
OUTSIDE DIAMETER: 0.220 INCHES NOMINAL IN
•
SHAFT ACCOMMODATION STYLE: ROUND
•
OVERALL THICKNESS: 0.450 INCHES NOMINAL IN
•
ATTACHMENT METHOD: SETSCREWS
•
SCREW DRIVE TYPE: SLOT
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC) SCREW HOLE
•
STYLE DESIGNATOR: ROUND
•
NOMINAL THREAD SIZE: 0.112 INCHES SCREW HOLE IN
TECHNICAL CHARACTERISTICS (FLIS)
OUTSIDE DIAMETER0.220 INCHES NOMINAL IN
SHAFT ACCOMMODATION STYLEROUND
OVERALL THICKNESS0.450 INCHES NOMINAL IN
ATTACHMENT METHODSETSCREWS
SCREW DRIVE TYPESLOT
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC) SCREW HOLE
STYLE DESIGNATORROUND
NOMINAL THREAD SIZE0.112 INCHES SCREW HOLE IN
MATERIALSTEEL
THREAD QUANTITY PER INCH40 SCREW HOLE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
75453Interchangeable
interchangeable cross-reference
interchangeable
5053-50-SSInterchangeable
interchangeable cross-reference
interchangeable
803-5001740-4 PC NO 211Interchangeable
interchangeable cross-reference
interchangeable
5053Interchangeable
interchangeable cross-reference
interchangeable
3NBC511ZPInterchangeable
interchangeable cross-reference
interchangeable
MS24461-3Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 579R491H02?
579R491H02 is a 579R491H02.
What parts can replace 579R491H02?
There are 16 known substitutes for 579R491H02: 75453, 5053-50-SS, 803-5001740-4 PC NO 211 and 13 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 579R491H02?
579R491H02 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5355-00-179-9727. 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