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PartsTable / COMPONENT / EEP1661-121
EEP1661-121 ✓ 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 FLANGE, flexibility: RIGID SINGLE TUBING SEGMENT, flange_depth: 0.360 INCHES MINIMUM AND 0.390 INCHES MAXIMUM FIRST FLANGE IN, flange_style: CHOKE TYPE FIRST FLANGE, thread_class: 2B FIRST FLANGE 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 5985-00-141-5971, 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
EEP1661-121
NSN: 5985-00-141-5971
FSC: 5985
CAGE: 98897 — LOCKHEED MARTIN CORP (USA)
SPECIFICATIONS
materialCOPPER ALLOY ALL FLANGE
flexibilityRIGID SINGLE TUBING SEGMENT
flange_depth0.360 INCHES MINIMUM AND 0.390 INCHES MAXIMUM FIRST FLANGE IN
flange_styleCHOKE TYPE FIRST FLANGE
thread_class2B FIRST FLANGE ALL CONNECTION FACILITIES
flange_quantity2
style_designatorBEND TYPE
thread_directionRIGHT-HAND FIRST FLANGE ALL CONNECTION FACILITIES
bend_angle_in_deg90.0 SINGLE BEND E-PLANE
precious_materialSILVER
surface_treatmentSILVER ALL FLANGE INSIDE SURFACES
flange_inside_width0.620 INCHES MINIMUM AND 0.624 INCHES MAXIMUM FIRST FLANGE IN
NSN5985-00-141-5971
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available WAVEGUIDE ASSEMBLY TITLE COMPONENT PN EEP1661-121 MFR WAVEGUIDE ASSEMBLY
KEY FEATURES
•
WAVEGUIDE INSIDE HEIGHT: 0.3085 INCHES MINIMUM AND 0.3135 INCHES MAXIMUM IN
•
WAVEGUIDE LONGER OFFSET DISTANCE: 6.000 INCHES NOMINAL IN
•
THREAD DIRECTION: RIGHT-HAND FIRST FLANGE ALL CONNECTION FACILITIES
•
FLANGE INSIDE HEIGHT: 0.309 INCHES MINIMUM AND 0.313 INCHES MAXIMUM FIRST FLANGE IN
•
WAVEGUIDE OUTSIDE WIDTH: 0.699 INCHES MINIMUM AND 0.705 INCHES MAXIMUM IN
•
FLANGE INSIDE WIDTH: 0.705 INCHES MINIMUM AND 0.707 INCHES MAXIMUM SECOND FLANGE IN
•
FLANGE DEPTH: 0.298 INCHES MINIMUM AND 0.328 INCHES MINIMUM SECOND FLANGE IN
•
FLANGE OUTSIDE HEIGHT: 1.298 INCHES MINIMUM AND 1.328 INCHES MAXIMUM SECOND FLANGE IN
TECHNICAL CHARACTERISTICS (FLIS)
WAVEGUIDE INSIDE HEIGHT0.3085 INCHES MINIMUM AND 0.3135 INCHES MAXIMUM IN
WAVEGUIDE LONGER OFFSET DISTANCE6.000 INCHES NOMINAL IN
THREAD DIRECTIONRIGHT-HAND FIRST FLANGE ALL CONNECTION FACILITIES
FLANGE INSIDE HEIGHT0.309 INCHES MINIMUM AND 0.313 INCHES MAXIMUM FIRST FLANGE IN
WAVEGUIDE OUTSIDE WIDTH0.699 INCHES MINIMUM AND 0.705 INCHES MAXIMUM IN
FLANGE INSIDE WIDTH0.705 INCHES MINIMUM AND 0.707 INCHES MAXIMUM SECOND FLANGE IN
FLANGE DEPTH0.298 INCHES MINIMUM AND 0.328 INCHES MINIMUM SECOND FLANGE IN
FLANGE OUTSIDE HEIGHT1.298 INCHES MINIMUM AND 1.328 INCHES MAXIMUM SECOND FLANGE IN
FLANGE INSIDE WIDTH0.620 INCHES MINIMUM AND 0.624 INCHES MAXIMUM FIRST FLANGE IN
FLANGE DEPTH0.360 INCHES MINIMUM AND 0.390 INCHES MAXIMUM FIRST FLANGE IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
HVA1 1-2Interchangeable
interchangeable cross-reference
interchangeable
FU16Interchangeable
interchangeable cross-reference
interchangeable
A8944-5Interchangeable
interchangeable cross-reference
interchangeable
62101-5Interchangeable
interchangeable cross-reference
interchangeable
3223JInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is EEP1661-121?
EEP1661-121 is a WAVEGUIDE ASSEMBLY.
What parts can replace EEP1661-121?
There are 5 known substitutes for EEP1661-121: HVA1 1-2, FU16, A8944-5 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for EEP1661-121?
EEP1661-121 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5985-00-141-5971. 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