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Waveguide Assembly

NSN: 5985-01-376-3609 | Model: A55A9028-4
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 double ridged external, rectangular
Thread Class
2b all flanges all connection facilities
Thread Direction
Right-hand all flanges all connection facilities
End Application
Aircraft model f14d
Tubing Wall Construction Style
Seamless all tubing segment
Flange Quantity
Flange Inside Width
0.795 inches all flanges and 0.801 inches all flanges
Flange Inside Height
0.425 inches all flanges and 0.431 inches all flanges
Flange Outside Width
1.360 inches all flanges and 1.390 inches all flanges
Flange Outside Height
1.360 inches all flanges and 1.390 inches all flanges
Flange Depth
0.250 inches all flanges
Voltage Standing Wave Ratio
Insertion Loss In Decibels
Waveguide Outside Width
0.791 inches
Thread Size
0.138 inches all flanges all connection facilities
Waveguide Inside Width
0.691 inches
Waveguide Inside Height
0.321 inches
Waveguide Outside Height
0.421 inches
Flange Connecting Facility And Quantity
4 captive screws all flanges all connection facilities
Flange Style
Contact, double ridge type all flanges
Waveguide Length
Between 12.740 inches and 13.000 inches
Waveguide Center To Center Distance
Between 5.870 inches and 6.130 inches
Rigid all tubing segment
Aluminum alloy all tubing segment
Surface Treatment
Chromate all tubing segment all surfaces
Style Designator
Offset bend type
Thread Series Designator
Unc all flanges all connection facilities
Recent Solicitations
Solicitation Return by Date Buyer Code Quantity
SPE7M519T820M 2019-09-13 PMCM4 4 EA

Pricing and Availability

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NSN 5985-01-376-3609 Datasheet

Supply Class (FSC):
Related Equipment Waveguides Antennas
Cross Reference:
  • A55A9028-4
  • R10-1012
  • 106441-04
  • TDRS145057
Cage Codes:
  • Northrop Grumman Systems Corporation (CAGE 26512)
  • Microwave Engineering Corporation (CAGE 06351)
  • Continental Microwave and Tool Co., (CAGE 66544)
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.


- Represents items with no adp components


- 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 $1,424.22 to $2,373.71..
Does NSN 5985-01-376-3609 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
What is the NIIN of NSN 5985-01-376-3609?
013763609 or 01-376-3609
Does NSN 5985-01-376-3609 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 5985-01-376-3609?
Solicitation SPE7M519T820M for qty 4 on 09/03/2019
When was this national stock number assigned to the federal catalog?
Jun 01, 1993