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PartsTable / COMPONENT / 580R666H01
580R666H01 ✓ 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 REACTOR is a the manufacturer industrial component. Key specifications include color: RED, material: COPPER ALLOY OVERALL, body_height: 0.640 INCHES MAXIMUM IN, overall_width: 0.480 INCHES MAXIMUM IN, rating_method: ELECTRICAL AND WINDING TURNS SINGLE COMPONENT SINGLE WINDING, thread_length: 1.218 INCHES MAXIMUM NUT THREAD 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 5950-00-134-9557, 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
580R666H01
NSN: 5950-00-134-9557
FSC: 5950
CAGE: 97942 — NORTHROP GRUMMAN SYSTEMS CORPORATION DBA NORTHROP GRUMMAN SYSTEMS CORP (USA)
SPECIFICATIONS
colorRED
materialCOPPER ALLOY OVERALL
body_height0.640 INCHES MAXIMUM IN
overall_width0.480 INCHES MAXIMUM IN
rating_methodELECTRICAL AND WINDING TURNS SINGLE COMPONENT SINGLE WINDING
thread_length1.218 INCHES MAXIMUM NUT THREAD IN
turn_quantity21 SINGLE COMPONENT SINGLE WINDING
inclosure_typeFULLY INCLOSED
overall_length0.700 INCHES MAXIMUM IN
connection_typeTHREADED EXTERNAL PIPE FIRST END
hardness_rating18.0 ROCKWELL C MINIMUM AND 28.0 ROCKWELL C MAXIMUM
inductance_typeFIXED
NSN5950-00-134-9557
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available REACTOR TITLE COMPONENT PN 580R666H01 MFR REACTOR
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
1806909-2Interchangeable
interchangeable cross-reference
interchangeable
44-05-11-00-63Interchangeable
interchangeable cross-reference
interchangeable
45-05-131Interchangeable
interchangeable cross-reference
interchangeable
13988EInterchangeable
interchangeable cross-reference
interchangeable
13988Interchangeable
interchangeable cross-reference
interchangeable
900407-11Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 580R666H01?
580R666H01 is a REACTOR.
What parts can replace 580R666H01?
There are 10 known substitutes for 580R666H01: 1806909-2, 44-05-11-00-63, 45-05-131 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 580R666H01?
580R666H01 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5950-00-134-9557. 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