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Technical Data Sheet
PartsTable / COMPONENT / 2665979-1
2665979-1 ✓ 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 WAVEGUIDE ASSEMBLY is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY ALL TUBING SEGMENT AND FLANGE, flexibility: FLEXIBLE SINGLE TUBING SEGMENT, flange_depth: 0.670 INCHES MINIMUM AND 0.770 INCHES MAXIMUM ALL FLANGES IN, flange_style: CONTACT TYPE ALL FLANGES, thread_class: 2B ALL FLANGES ALL CONNECTION FACILITIES, style_designator: BEND TYPE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5985-00-177-6258, 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
2665979-1
NSN: 5985-00-177-6258
FSC: 5985
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
materialCOPPER ALLOY ALL TUBING SEGMENT AND FLANGE
flexibilityFLEXIBLE SINGLE TUBING SEGMENT
flange_depth0.670 INCHES MINIMUM AND 0.770 INCHES MAXIMUM ALL FLANGES IN
flange_styleCONTACT TYPE ALL FLANGES
thread_class2B ALL FLANGES ALL CONNECTION FACILITIES
flange_quantity2
style_designatorBEND TYPE
thread_directionRIGHT-HAND ALL FLANGES ALL CONNECTION FACILITIES
surface_treatmentCOPPER ALL TUBING SEGMENT AND FLANGE INSIDE SURFACES
flange_inside_width1.867 INCHES MINIMUM AND 1.877 INCHES MAXIMUM ALL FLANGES IN
nominal_thread_size0.250 INCHES ALL FLANGES ALL CONNECTION FACILITIES IN
flange_inside_height0.867 INCHES MINIMUM AND 0.877 INCHES MAXIMUM ALL FLANGES IN
NSN5985-00-177-6258
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available WAVEGUIDE ASSEMBLY TITLE COMPONENT PN 2665979-1 MFR WAVEGUIDE ASSEMBLY
KEY FEATURES
•
CROSS-SECTIONAL SHAPE STYLE: INTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR
•
WAVEGUIDE INSIDE HEIGHT: 0.867 INCHES MINIMUM AND 0.877 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: BEND TYPE
•
WAVEGUIDE OFFSET DISTANCE: 7.750 INCHES NOMINAL IN
•
FLANGE CONNECTING FACILITY AND QUANTITY: 8 THREADED HOLE(S) ALL FLANGES ALL CONNECTION FACILITIES
•
NOMINAL THREAD SIZE: 0.250 INCHES ALL FLANGES ALL CONNECTION FACILITIES IN
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC) ALL FLANGES ALL CONNECTION FACILITIES
•
WAVEGUIDE OUTSIDE HEIGHT: 0.995 INCHES MINIMUM AND 1.005 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL SHAPE STYLEINTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR
WAVEGUIDE INSIDE HEIGHT0.867 INCHES MINIMUM AND 0.877 INCHES MAXIMUM IN
STYLE DESIGNATORBEND TYPE
WAVEGUIDE OFFSET DISTANCE7.750 INCHES NOMINAL IN
FLANGE CONNECTING FACILITY AND QUANTITY8 THREADED HOLE(S) ALL FLANGES ALL CONNECTION FACILITIES
NOMINAL THREAD SIZE0.250 INCHES ALL FLANGES ALL CONNECTION FACILITIES IN
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC) ALL FLANGES ALL CONNECTION FACILITIES
WAVEGUIDE OUTSIDE HEIGHT0.995 INCHES MINIMUM AND 1.005 INCHES MAXIMUM IN
WAVEGUIDE LONGER OFFSET DISTANCE8.120 INCHES NOMINAL IN
MATERIALCOPPER ALLOY ALL TUBING SEGMENT AND FLANGE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
KC8918Interchangeable
interchangeable cross-reference
interchangeable
B262208Interchangeable
interchangeable cross-reference
interchangeable
2250517Interchangeable
interchangeable cross-reference
interchangeable
MS210Interchangeable
interchangeable cross-reference
interchangeable
47484Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2665979-1?
2665979-1 is a WAVEGUIDE ASSEMBLY.
What parts can replace 2665979-1?
There are 5 known substitutes for 2665979-1: KC8918, B262208, 2250517 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 2665979-1?
2665979-1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5985-00-177-6258. 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