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128SCAV650-1 ✓ 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 flexibility: FLEXIBLE SINGLE TUBING SEGMENT, flange_style: CHOKE TYPE FIRST FLANGE, thread_class: 2B FIRST FLANGE ALL CONNECTION FACILITIES2B FIRST FLANGE ALL CONNECTION FACILITIES, flange_quantity: 22, style_designator: STRAIGHT TYPE, thread_direction: RIGHT-HAND FIRST FLANGE ALL CONNECTION FACILITIESRIGHT-HAND FIRST FLANGE ALL CONNECTION FACILITIES. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5985-01-008-3578, 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
128SCAV650-1
NSN: 5985-01-008-3578
FSC: 5985
CAGE: 26512 — NORTHROP GRUMMAN SYSTEMS CORPORATION (USA)
SPECIFICATIONS
flexibilityFLEXIBLE SINGLE TUBING SEGMENT
flange_depth0.195 INCHES MINIMUM AND 0.195 INCHES MINIMUM AND 0.225 INCHES MAXIMUM FIRST FLANGE0.225 INCHES MAXIMUM FIRST FLANGE IN
flange_styleCHOKE TYPE FIRST FLANGE
thread_class2B FIRST FLANGE ALL CONNECTION FACILITIES2B FIRST FLANGE ALL CONNECTION FACILITIES
flange_quantity22
style_designatorSTRAIGHT TYPE
thread_directionRIGHT-HAND FIRST FLANGE ALL CONNECTION FACILITIESRIGHT-HAND FIRST FLANGE ALL CONNECTION FACILITIES
waveguide_length5.020 INCHES NOMINAL IN
flange_inside_width0.279 INCHES MINIMUM AND 0.279 INCHES MINIMUM AND 0.282 INCHES MAXIMUM FIRST FLANGE0.282 INCHES MAXIMUM FIRST FLANGE IN
nominal_thread_size0.112 INCHES FIRST FLANGE ALL CONNECTION FACILITIES0.112 INCHES FIRST FLANGE ALL CONNECTION FACILITIES IN
flange_inside_height0.222 INCHES MINIMUM AND 0.222 INCHES MINIMUM AND 0.224 INCHES MAXIMUM SECOND FLANGE0.224 INCHES MAXIMUM SECOND FLANGE IN
flange_outside_width0.745 INCHES MINIMUM AND 0.745 INCHES MINIMUM AND 0.755 INCHES MAXIMUM SECOND FLANGE0.755 INCHES MAXIMUM SECOND FLANGE IN
NSN5985-01-008-3578
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available WAVEGUIDE ASSEMBLY TITLE COMPONENT PN 128SCAV650-1 MFR WAVEGUIDE ASSEMBLY
KEY FEATURES
•
FLANGE INSIDE DIAMETER: 0.485 INCHES MINIMUM AND 0.485 INCHES MINIMUM AND 0.515 INCHES MAXIMUM FIRST FLANGE0.515 INCHES MAXIMUM FIRST FLANGE IN
•
FLANGE QUANTITY: 22
•
WAVEGUIDE OUTSIDE WIDTH: 0.358 INCHES MINIMUM AND 0.358 INCHES MINIMUM AND 0.362 INCHES MAXIMUM0.362 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: STRAIGHT TYPE
•
VOLTAGE STANDING WAVE RATIO: 1.151.15
•
FLANGE STYLE: COVER TYPE SECOND FLANGE
•
FLANGE OUTSIDE WIDTH: 0.745 INCHES MINIMUM AND 0.745 INCHES MINIMUM AND 0.755 INCHES MAXIMUM SECOND FLANGE0.755 INCHES MAXIMUM SECOND FLANGE IN
•
FSC APPLICATION DATA: ANTENNAS,WAVEGUIDES AND RELATED EQUIP.
TECHNICAL CHARACTERISTICS (FLIS)
FLANGE INSIDE DIAMETER0.485 INCHES MINIMUM AND 0.485 INCHES MINIMUM AND 0.515 INCHES MAXIMUM FIRST FLANGE0.515 INCHES MAXIMUM FIRST FLANGE IN
FLANGE QUANTITY22
WAVEGUIDE OUTSIDE WIDTH0.358 INCHES MINIMUM AND 0.358 INCHES MINIMUM AND 0.362 INCHES MAXIMUM0.362 INCHES MAXIMUM IN
STYLE DESIGNATORSTRAIGHT TYPE
VOLTAGE STANDING WAVE RATIO1.151.15
FLANGE STYLECOVER TYPE SECOND FLANGE
FLANGE OUTSIDE WIDTH0.745 INCHES MINIMUM AND 0.745 INCHES MINIMUM AND 0.755 INCHES MAXIMUM SECOND FLANGE0.755 INCHES MAXIMUM SECOND FLANGE IN
FSC APPLICATION DATAANTENNAS,WAVEGUIDES AND RELATED EQUIP.
FLANGE OUTSIDE WIDTH0.735 INCHES MINIMUM AND 0.735 INCHES MINIMUM AND 0.765 INCHES MAXIMUM FIRST FLANGE0.765 INCHES MAXIMUM FIRST FLANGE IN
FLANGE OUTSIDE HEIGHT0.745 INCHES MINIMUM AND 0.745 INCHES MINIMUM AND 0.755 INCHES MAXIMUM SECOND FLANGE0.755 INCHES MAXIMUM SECOND FLANGE IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
117267Interchangeable
interchangeable cross-reference
interchangeable
2N3721Interchangeable
interchangeable cross-reference
interchangeable
2N3721AInterchangeable
interchangeable cross-reference
interchangeable
RELEASE5060Interchangeable
interchangeable cross-reference
interchangeable
TS-41115Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 128SCAV650-1?
128SCAV650-1 is a WAVEGUIDE ASSEMBLY.
What parts can replace 128SCAV650-1?
There are 5 known substitutes for 128SCAV650-1: 117267, 2N3721, 2N3721A and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 128SCAV650-1?
128SCAV650-1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5985-01-008-3578. 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