PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

13831Waveguide Assembly

Spx Corporation Dba Dielectric Communications Div Spx Communication Technologies · NSN 5985-01-279-3757 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-01-279-3757 — this item is cataloged by the U.S. Government under National Stock Number 5985-01-279-3757. Primary manufacturer part number: 13831.
Features
  • Waveguide Assembly — FSC 5985
  • Flexibility: RIGID ALL TUBING SEGMENT
  • Waveguide Longer Offset Distance: 565.350 INCHES NOMINAL IN
  • Waveguide Offset Distance: 444.000 INCHES NOMINAL IN
  • Style Designator: CORNER TYPE
  • 2 verified cross-references
  • Primary manufacturer: Spx Corporation Dba Dielectric Communications Div Spx Communication Technologies
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Waveguide Assembly, cataloged under National Stock Number 5985-01-279-3757, is classified within Federal Supply Class 5985 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Spx Corporation Dba Dielectric Communications Div Spx Communication Technologies. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5985-01-279-3757
Primary Part Number13831
Item NameWaveguide Assembly
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerSpx Corporation Dba Dielectric Communications Div Spx Communication Technologies
StatusACTIVE
FlexibilityRIGID ALL TUBING SEGMENT
Waveguide Longer Offset Distance565.350 INCHES NOMINAL IN
Waveguide Offset Distance444.000 INCHES NOMINAL IN
Style DesignatorCORNER TYPE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5950-00-004-7597920011-5 INTERCHANGEABLE
Coil,radio Frequency
Raytheon Company Dba Raytheon
5950-00-738-6415SM-C-502640-1 INTERCHANGEABLE
Transformer,radio Frequency
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
4730-01-106-0316 INTERCHANGEABLE
Reducer,pipe
4820-01-243-317013831 INTERCHANGEABLE
Post,limit Switch,valve Actuator
Cooper Cameron Corp Cooper Cameron Valves Div
5360-01-318-674417862-14 INTERCHANGEABLE
Spring,helical,compression
Imi Cash Valve Inc
3120-01-322-0469 INTERCHANGEABLE
Bushing,sleeve
6530-01-504-356613831 INTERCHANGEABLE
Tray,procedure
Advanced Sterilization Products Services Inc.
5340-01-728-060613-831 INTERCHANGEABLE
Plate,mounting
Konrad Marine Inc Div Konrad Marine
Cross-Reference Index
Part NumberManufacturer
13831 Spx Corporation Dba Dielectric Communications Div Spx Communication Technologies (USA)
73163220P005 Lockheed Martin Corporation Div Rms (USA)
Related Parts
5950-00-004-7597INTERCHANGEABLE
COIL,RADIO FREQUENCY
920011-5
5950-00-738-6415INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
SM-C-502640-1
4730-01-106-0316INTERCHANGEABLE
REDUCER,PIPE
4820-01-243-3170INTERCHANGEABLE
POST,LIMIT SWITCH,VALVE ACTUATOR
13831
5360-01-318-6744INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
17862-14
3120-01-322-0469INTERCHANGEABLE
BUSHING,SLEEVE
6530-01-504-3566INTERCHANGEABLE
TRAY,PROCEDURE
13831
5340-01-728-0606INTERCHANGEABLE
PLATE,MOUNTING
13-831

Frequently Asked Questions

What is NSN 5985-01-279-3757?

NSN 5985-01-279-3757 is a Waveguide Assembly, manufactured by Spx Corporation Dba Dielectric Communications Div Spx Communication Technologies, classified under FSC 5985 (No Item Name Available). Status: active.

What are the part numbers for NSN 5985-01-279-3757?

NSN 5985-01-279-3757 has 2 cross-referenced part numbers: 13831 (Spx Corporation Dba Dielectric Communications Div Spx Communication Technologies), 73163220P005 (Lockheed Martin Corporation Div Rms).

What NSN replaces 5985-01-279-3757?

There are 8 known substitutes for 5985-01-279-3757: 5950-00-004-7597, 5950-00-738-6415, 4730-01-106-0316 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 13831?

Key specifications for 13831: Flexibility: RIGID ALL TUBING SEGMENT; Waveguide Longer Offset Distance: 565.350 INCHES NOMINAL IN; End Item Identification: AN/FPS-118; Waveguide Offset Distance: 444.000 INCHES NOMINAL IN. 5 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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