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Technical Data Sheet
PartsTable / MRO / 866391-2
866391-2 ✓ Verified by PartsTable
— · MRO · MRO_GENERAL
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 PULLEY is a the manufacturer industrial component. Key specifications include end_item_name: COMPRESSOR, hole_diameter: 0.344 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN, overall_width: 1.188 INCHES NOMINAL IN, aperture_width: 0.625 INCHES NOMINAL IN, overall_length: 3.250 INCHES NOMINAL IN, aperture_length: 1.500 INCHES NOMINAL 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 5845-01-189-4355, 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
MRO→ MRO_GENERAL→ 866391-2
NSN: 5845-01-189-4355
FSC: 5845
CAGE: 3B150 — RAYTHEON COMPANY DBA RAYTHEON CO (USA)
SPECIFICATIONS
end_item_nameCOMPRESSOR
hole_diameter0.344 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
overall_width1.188 INCHES NOMINAL IN
aperture_width0.625 INCHES NOMINAL IN
overall_length3.250 INCHES NOMINAL IN
aperture_length1.500 INCHES NOMINAL IN
end_item_source98182
special_featuresFIBER MATERIAL
component_quantity2
inside_corner_radius0.125 INCHES NOMINAL IN
outside_corner_radius0.3125 INCHES NOMINAL IN
end_item_identification4310-00-542-5928
NSN5845-01-189-4355
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available PULLEY TITLE COMPONENT PN 866391-2 MFR PULLEY
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
24950Interchangeable
interchangeable cross-reference
interchangeable
866391Interchangeable
interchangeable cross-reference
interchangeable
342296Interchangeable
interchangeable cross-reference
interchangeable
7702630Interchangeable
interchangeable cross-reference
interchangeable
36551DInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 866391-2?
866391-2 is a PULLEY. It is classified as a MRO (MRO_GENERAL).
What parts can replace 866391-2?
There are 5 known substitutes for 866391-2: 24950, 866391, 342296 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 866391-2?
866391-2 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5845-01-189-4355. 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