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Technical Data Sheet
PartsTable / COMPONENT / 255985-2
255985-2 ✓ 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: RUBBER SINGLE TUBING JACKET, flexibility: FLEXIBLE SINGLE TUBING SEGMENT, flange_depth: 0.423 INCHES MINIMUM AND 0.453 INCHES MAXIMUM ALL FLANGES IN, flange_style: CHOKE TYPE ALL FLANGES, thread_class: 2B ALL FLANGES ALL CONNECTION FACILITIES, style_designator: U-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 5985-00-134-1556, 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
255985-2
NSN: 5985-00-134-1556
FSC: 5985
CAGE: 82577 — RAYTHEON COMPANY DBA RAYTHEON (USA)
SPECIFICATIONS
materialRUBBER SINGLE TUBING JACKET
flexibilityFLEXIBLE SINGLE TUBING SEGMENT
flange_depth0.423 INCHES MINIMUM AND 0.453 INCHES MAXIMUM ALL FLANGES IN
flange_styleCHOKE TYPE ALL FLANGES
thread_class2B ALL FLANGES ALL CONNECTION FACILITIES
flange_quantity2
style_designatorU-BEND TYPE
thread_directionRIGHT-HAND ALL FLANGES ALL CONNECTION FACILITIES
waveguide_height18.730 INCHES NOMINAL IN
precious_materialSILVER
surface_treatmentCADMIUM ALL TUBING SEGMENT AND FLANGE ALL SURFACES
flange_inside_width0.896 INCHES MINIMUM AND 0.904 INCHES MAXIMUM ALL FLANGES IN
NSN5985-00-134-1556
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available WAVEGUIDE ASSEMBLY TITLE COMPONENT PN 255985-2 MFR WAVEGUIDE ASSEMBLY
KEY FEATURES
•
WAVEGUIDE CENTER TO CENTER DISTANCE: 7.250 INCHES NOMINAL IN
•
FLANGE INSIDE DIAMETER: 1.406 INCHES MINIMUM AND 1.437 INCHES MAXIMUM ALL FLANGES IN
•
FLANGE CONNECTING FACILITY AND QUANTITY: 4 THREADED HOLE(S) ALL FLANGES ALL CONNECTION FACILITIES
•
NOMINAL THREAD SIZE: 0.164 INCHES ALL FLANGES ALL CONNECTION FACILITIES IN
•
TUBING WALL CONSTRUCTION STYLE: SEAMLESS SINGLE TUBING SEGMENT
•
WAVEGUIDE OUTSIDE WIDTH: 0.996 INCHES MINIMUM AND 1.004 INCHES MAXIMUM IN
•
FLANGE OUTSIDE WIDTH: 1.610 INCHES MINIMUM AND 1.640 INCHES MAXIMUM ALL FLANGES IN
•
FLANGE DEPTH: 0.423 INCHES MINIMUM AND 0.453 INCHES MAXIMUM ALL FLANGES IN
TECHNICAL CHARACTERISTICS (FLIS)
WAVEGUIDE CENTER TO CENTER DISTANCE7.250 INCHES NOMINAL IN
FLANGE INSIDE DIAMETER1.406 INCHES MINIMUM AND 1.437 INCHES MAXIMUM ALL FLANGES IN
FLANGE CONNECTING FACILITY AND QUANTITY4 THREADED HOLE(S) ALL FLANGES ALL CONNECTION FACILITIES
NOMINAL THREAD SIZE0.164 INCHES ALL FLANGES ALL CONNECTION FACILITIES IN
TUBING WALL CONSTRUCTION STYLESEAMLESS SINGLE TUBING SEGMENT
WAVEGUIDE OUTSIDE WIDTH0.996 INCHES MINIMUM AND 1.004 INCHES MAXIMUM IN
FLANGE OUTSIDE WIDTH1.610 INCHES MINIMUM AND 1.640 INCHES MAXIMUM ALL FLANGES IN
FLANGE DEPTH0.423 INCHES MINIMUM AND 0.453 INCHES MAXIMUM ALL FLANGES IN
WAVEGUIDE INSIDE WIDTH0.896 INCHES MINIMUM AND 0.904 INCHES MAXIMUM IN
WAVEGUIDE LEG LENGTH3.950 INCHES MINIMUM AND 4.050 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
2559852Interchangeable
interchangeable cross-reference
interchangeable
WW-P-471CInterchangeable
interchangeable cross-reference
interchangeable
WWP471TYPE2Interchangeable
interchangeable cross-reference
interchangeable
A-A-59616Interchangeable
interchangeable cross-reference
interchangeable
XF10042Interchangeable
interchangeable cross-reference
interchangeable
030031Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 255985-2?
255985-2 is a WAVEGUIDE ASSEMBLY.
What parts can replace 255985-2?
There are 10 known substitutes for 255985-2: 2559852, WW-P-471C, WWP471TYPE2 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 255985-2?
255985-2 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5985-00-134-1556. 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