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Technical Data Sheet
PartsTable / COMPONENT / 03661
03661 ✓ 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 RING,RETAINING is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY, edge_type: DOME TOP, angular_edge: NOT INCLUDED, usage_design: EXTERNAL, stock_diameter: 0.750 INCHES NOMINAL IN, inside_diameter: 0.450 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 6640-00-903-4079, 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
03661
NSN: 6640-00-903-4079
FSC: 6640
CAGE: 22527 — FISHER SCIENTIFIC COMPANY L.L.C. (USA)
SPECIFICATIONS
materialCOPPER ALLOY
edge_typeDOME TOP
ring_styleC
angular_edgeNOT INCLUDED
usage_designEXTERNAL
stock_diameter0.750 INCHES NOMINAL IN
inside_diameter0.450 INCHES NOMINAL IN
major_thickness0.025 INCHES NOMINAL IN
stock_thickness0.750 INCHES NOMINAL IN
stock_exposed_length1.500 INCHES NOMINAL IN
stock_shape_at_ferruleROUND
casehardening_indicatorNOT CASEHARDENED
NSN6640-00-903-4079
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RING,RETAINING TITLE COMPONENT PN 03661 MFR RING,RETAINING
KEY FEATURES
•
STOCK EXPOSED LENGTH: 1.500 INCHES NOMINAL IN
•
ANGULAR EDGE: NOT INCLUDED
•
STOCK SHAPE AT FERRULE: ROUND
•
STOCK THICKNESS: 0.750 INCHES NOMINAL IN
•
EDGE TYPE: DOME TOP
•
STOCK DIAMETER: 0.750 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
STOCK EXPOSED LENGTH1.500 INCHES NOMINAL IN
ANGULAR EDGENOT INCLUDED
STOCK SHAPE AT FERRULEROUND
STOCK THICKNESS0.750 INCHES NOMINAL IN
EDGE TYPEDOME TOP
STOCK DIAMETER0.750 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
366-1Interchangeable
IBM SAS X-Cable 3m
interchangeable
51968Interchangeable
interchangeable cross-reference
interchangeable
24-562BKInterchangeable
interchangeable cross-reference
interchangeable
P120Interchangeable
interchangeable cross-reference
interchangeable
SM-B-883757Interchangeable
interchangeable cross-reference
interchangeable
2300AREDInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 03661?
03661 is a RING,RETAINING.
What parts can replace 03661?
There are 20 known substitutes for 03661: 366-1, 51968, 24-562BK and 17 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 03661?
03661 is cataloged in the Federal Logistics Information System (FLIS) under NSN 6640-00-903-4079. 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