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PartsTable / COMPONENT / 51478-701
51478-701 ✓ 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 SINGLE TUBING SEGMENT AND FLANGE, flexibility: RIGID SINGLE TUBING SEGMENT, flange_depth: 0.370 INCHES MINIMUM AND 0.380 INCHES MAXIMUM SECOND FLANGE IN, flange_style: CONTACT TYPE FIRST FLANGE, thread_class: 3B FIRST FLANGE ALL CONNECTION FACILITIES, style_designator: OFFSET 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 5985-01-295-3380, 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
51478-701
NSN: 5985-01-295-3380
FSC: 5985
CAGE: 52564 — MEGA INDUSTRIES INC MEGA MICROWAVE DIV (USA)
SPECIFICATIONS
materialCOPPER ALLOY SINGLE TUBING SEGMENT AND FLANGE
flexibilityRIGID SINGLE TUBING SEGMENT
flange_depth0.370 INCHES MINIMUM AND 0.380 INCHES MAXIMUM SECOND FLANGE IN
flange_styleCONTACT TYPE FIRST FLANGE
thread_class3B FIRST FLANGE ALL CONNECTION FACILITIES
flange_quantity2
style_designatorOFFSET BEND TYPE
thread_directionRIGHT-HAND FIRST FLANGE ALL CONNECTION FACILITIES
waveguide_length6.165 INCHES NOMINAL IN
flange_inside_width3.120 INCHES MINIMUM AND 3.128 INCHES MAXIMUM SECOND FLANGE IN
nominal_thread_size0.190 INCHES FIRST FLANGE ALL CONNECTION FACILITIES IN
flange_inside_height1.335 INCHES MINIMUM AND 1.345 INCHES MAXIMUM FIRST FLANGE IN
NSN5985-01-295-3380
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available WAVEGUIDE ASSEMBLY TITLE COMPONENT PN 51478-701 MFR WAVEGUIDE ASSEMBLY
KEY FEATURES
•
THREAD SERIES DESIGNATOR: UNF FIRST FLANGE ALL CONNECTION FACILITIES
•
WAVEGUIDE INSIDE WIDTH: 2.840 INCHES NOMINAL IN
•
FLANGE STYLE: CONTACT TYPE FIRST FLANGE
•
FLANGE OUTSIDE HEIGHT: 3.000 INCHES NOMINAL SECOND FLANGE IN
•
VOLTAGE STANDING WAVE RATIO: 1.10
•
WAVEGUIDE LENGTH: 6.165 INCHES NOMINAL IN
•
FLANGE QUANTITY: 2
•
FLANGE DEPTH: 0.370 INCHES MINIMUM AND 0.380 INCHES MAXIMUM SECOND FLANGE IN
TECHNICAL CHARACTERISTICS (FLIS)
THREAD SERIES DESIGNATORUNF FIRST FLANGE ALL CONNECTION FACILITIES
WAVEGUIDE INSIDE WIDTH2.840 INCHES NOMINAL IN
FLANGE STYLECONTACT TYPE FIRST FLANGE
FLANGE OUTSIDE HEIGHT3.000 INCHES NOMINAL SECOND FLANGE IN
VOLTAGE STANDING WAVE RATIO1.10
WAVEGUIDE LENGTH6.165 INCHES NOMINAL IN
FLANGE QUANTITY2
FLANGE DEPTH0.370 INCHES MINIMUM AND 0.380 INCHES MAXIMUM SECOND FLANGE IN
FLANGE CONNECTING HOLE DIAMETER0.262 INCHES MINIMUM AND 0.268 INCHES MAXIMUM SECOND FLANGE ALL CONNECTION FACILITIES IN
THREAD CLASS3B FIRST FLANGE ALL CONNECTION FACILITIES
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
D74969Interchangeable
interchangeable cross-reference
interchangeable
871271R1Interchangeable
interchangeable cross-reference
interchangeable
235658Interchangeable
interchangeable cross-reference
interchangeable
TVS86006Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 51478-701?
51478-701 is a WAVEGUIDE ASSEMBLY.
What parts can replace 51478-701?
There are 4 known substitutes for 51478-701: D74969, 871271R1, 235658 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 51478-701?
51478-701 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5985-01-295-3380. 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