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Technical Data Sheet
4186865-1 ✓ 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,ADAPTER ASSEMBLY is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 2590-01-127-0654, 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
4186865-1
NSN: 2590-01-127-0654
FSC: 2590
CAGE: 80212 — BAE SYSTEMS LAND & ARMAMENTS L.P. (USA)
SPECIFICATIONS
general_characteristics_item_descriptionMATERIAL ALUMINUM 5083 PER MIL-A-46027; OPTIONAL MATERIAL ALUMINUM PER MIL-A-45225 5083,TYPE 1,CLASS A; 44.000 IN. DIA; 2.630 IN. LG IN
NSN2590-01-127-0654
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RING,ADAPTER ASSEMBLY TITLE COMPONENT PN 4186865-1 MFR RING,ADAPTER ASSEMBLY
KEY FEATURES
GENERAL CHARACTERISTICS ITEM DESCRIPTION: MATERIAL ALUMINUM 5083 PER MIL-A-46027; OPTIONAL MATERIAL ALUMINUM PER MIL-A-45225 5083,TYPE 1,CLASS A; 44.000 IN. DIA; 2.630 IN. LG IN
TECHNICAL CHARACTERISTICS (FLIS)
GENERAL CHARACTERISTICS ITEM DESCRIPTIONMATERIAL ALUMINUM 5083 PER MIL-A-46027; OPTIONAL MATERIAL ALUMINUM PER MIL-A-45225 5083,TYPE 1,CLASS A; 44.000 IN. DIA; 2.630 IN. LG IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 2
4186865Interchangeable
interchangeable cross-reference
interchangeable
49645Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 4186865-1?
4186865-1 is a RING,ADAPTER ASSEMBLY.
What parts can replace 4186865-1?
There are 2 known substitutes for 4186865-1: 4186865, 49645. Substitute compatibility should be verified for your specific system.
What is the NSN for 4186865-1?
4186865-1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 2590-01-127-0654. This indicates validated use in U.S. government and defense supply chains.
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