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Waveguide Assembly

NSN: 5985-00-172-6261 | Model: 123SCAV5488-3
ITAR Registered seal

An item consisting of one or more definite lengths of straight or formed, flexible or rigid, prefabricated hollow tubing of conductive material. The tubing has a predetermined cross section and is designed to guide or conduct high frequency electromagnetic energy through its interior. One or more ends are terminated. May include common mounting of a switch, wave guide, a dummy load, electrical and other components such as waveguide section, cable terminal chamber and the like. Excludes coupler, rotary, radio frequency; coupler, directional; adapter, waveguide; and tuner, waveguide.

NSN Properties and Flags
NATO Stock Number
Yes - ITAR Controlled
Cross Sectional Shape
Internal, rectangular external, rectangular
Thread Class
2b all flanges all connection facilities
Thread Direction
Right-hand all flanges all connection facilities
Tubing Wall Construction Style
Seamless single tubing segment
Flange Quantity
Flange Inside Width
0.900 inches all flanges
Flange Inside Height
0.400 inches all flanges
Flange Outside Width
1.625 inches all flanges
Flange Outside Height
1.625 inches all flanges
Flange Inside Diameter
1.220 inches all flanges
Flange Depth
0.438 inches all flanges
Waveguide Outside Width
Between 0.997 inches and 1.003 inches
Thread Size
0.164 inches all flanges all connection facilities
Waveguide Inside Width
Between 0.897 inches and 0.903 inches
Waveguide Inside Height
Between 0.397 inches and 0.403 inches
Waveguide Outside Height
Between 0.497 inches and 0.503 inches
Flange Connecting Facility And Quantity
4 threaded hole all flanges all connection facilities
Flange Style
Choke type all flanges
Rigid single tubing segment
Aluminum all tubing segment and flange
Surface Treatment
Any acceptable all tubing segment and flange all surfaces
Thread Series Designator
Unc all flanges all connection facilities

Pricing and Availability

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NSN 5985-00-172-6261 Datasheet

Supply Class (FSC):
Related Equipment Waveguides Antennas
Cross Reference:
  • 123SCAV5488-3
  • TR642035
Cage Codes:
  • Northrop Grumman Systems Corporation (CAGE 26512)
  • Microwave Engineering Corporation (CAGE 06351)
Schedule B & Trade:
  • Schedule B: 8529109000 (NAICS 334220)

    Antenna & antenna reflectors of all kinds; parts suitable for use soley or principally w/ apparatus of heading 8525 to 8528, nesoi

  • SITC: 76493

    Parts of television receivers, radiobroadcast receivers, transmission apparatus for radio telephony, telegraphy, broadcasting or television etc.

  • End Use: 21400

    Telecommunications equipment


P - Indicates there is no information in the hmirs. The nsn is in a fsc in table ii of federal standard 313 and a msds may be required by the user. The requirement for a msds is dependent on a hazard determination of the supplier or the intended end use of item.


A - Item does not contain precious metal.


- The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.

Freight Information:
  • NMFC:

    063520 - Waveguide in boxes/crates

  • WCC:

    723 - Radio parts and equipment, excluding tubes packed separately

  • SHC:

    9 - Other or no special handling required (sh)

  • ADC:

    A - Shipment is not a consolidation and does not exceed 84 inches in any dimension.

  • ACC:

    H - Instruments/equipment/supplies for radio, communications, electrical, laboratory, etc. (includes signal corps)

  • LTL:

    W - Rating variable

  • TCC:

    Z - No special type of cargo code applicable

NSN Management Codes:
  • SOS
  • AAC
  • Quantity per pack
  • Unit of Measure
  • Shelf Life
  • Classification Control
  • Repariability

Questions & Answers:

What are the historical prices recorded for this stock number?
Historical data shows pricing from $1,392.03 to $2,320.04..
Does NSN 5985-00-172-6261 have a shelf life?
No. There is no shelf life applicable for this NSN.
What NATO entities are users of this NSN?
Department Of The Navy, and France
What is the NIIN of NSN 5985-00-172-6261?
001726261 or 00-172-6261
Does NSN 5985-00-172-6261 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 5985-00-172-6261?
No solicitations for this NSN.
When was this national stock number assigned to the federal catalog?
Sep 05, 1972