PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

827434Waveguide Assembly

Cpi Electron Device Business, Inc. · NSN 5985-01-507-0738 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-01-507-0738 — this item is cataloged by the U.S. Government under National Stock Number 5985-01-507-0738. Primary manufacturer part number: 827434.
Features
  • Waveguide Assembly — FSC 5985
  • Cross-Sectional Shape Style: INTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR
  • Flange Outside Height: 1.875 INCHES NOMINAL SECOND FLANGE IN
  • Waveguide Length: 12.125 INCHES NOMINAL IN
  • Flange Inside Width: 1.122 INCHES NOMINAL FIRST FLANGE IN
  • Flange Inside Height: 0.497 INCHES NOMINAL SECOND FLANGE IN
  • Specified Frequency: 8.9 GIGAHERTZ MINIMUM AND 9.7 GIGAHERTZ MAXIMUM
  • Flange Outside Width: 1.875 INCHES NOMINAL FIRST FLANGE IN
Applications
  • Applications requiring Aluminum Alloy 6061 All Tubing Segment and Flange construction
General Description

The Waveguide Assembly, cataloged under National Stock Number 5985-01-507-0738, 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 Cpi Electron Device Business, Inc.. Government technical data includes 28 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5985-01-507-0738
Primary Part Number827434
Item NameWaveguide Assembly
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerCpi Electron Device Business, Inc.
StatusACTIVE
Cross-Sectional Shape StyleINTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR
Flange Outside Height1.875 INCHES NOMINAL SECOND FLANGE IN
Waveguide Length12.125 INCHES NOMINAL IN
Flange Inside Width1.122 INCHES NOMINAL FIRST FLANGE IN
Flange Inside Height0.497 INCHES NOMINAL SECOND FLANGE IN
Specified Frequency8.9 GIGAHERTZ MINIMUM AND 9.7 GIGAHERTZ MAXIMUM
Flange Outside Width1.875 INCHES NOMINAL FIRST FLANGE IN
Waveguide Inside Width1.122 INCHES NOMINAL IN
Nominal Thread Size0.138 INCHES ALL FLANGES ALL CONNECTION FACILITIES IN
Flange StyleCOVER TYPE FIRST FLANGE
Voltage Standing Wave Ratio1.10
Thread DirectionRIGHT-HAND ALL FLANGES ALL CONNECTION FACILITIES
Waveguide Inside Height0.497 INCHES NOMINAL IN
Flange Quantity2
Style DesignatorSTRAIGHT TYPE
Tubing Wall Construction StyleSEAMLESS SINGLE TUBING SEGMENT
Flange Depth0.380 INCHES NOMINAL FIRST FLANGE IN
Flange Outside Width1.875 INCHES NOMINAL SECOND FLANGE IN
Waveguide Outside Height0.625 INCHES NOMINAL IN
Flange Inside Width1.122 INCHES NOMINAL SECOND FLANGE IN
Waveguide Outside Width1.250 INCHES NOMINAL IN
Flange StyleCHOKE TYPE SECOND FLANGE
Flange Depth0.437 INCHES NOMINAL SECOND FLANGE IN
Flange Outside Height1.875 INCHES NOMINAL FIRST FLANGE IN
Thread Class2B ALL FLANGES ALL CONNECTION FACILITIES
Flange Inside Height0.497 INCHES NOMINAL FIRST FLANGE IN
MaterialALUMINUM ALLOY 6061 ALL TUBING SEGMENT AND FLANGE
Flange Connecting Facility and Quantity8 THREADED HOLE(S) ALL FLANGES ALL CONNECTION FACILITIES
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
3110-00-100-0663643 INTERCHANGEABLE
Cone and Rollers,tapered Roller
The Timken Corporation
5340-00-143-022382743-4 INTERCHANGEABLE
Clamp,loop
Transdigm Inc Dba Adel Wiggins Group Div Adel Wiggins
Cross-Reference Index
Part NumberManufacturer
827434 PRIMARY Cpi Electron Device Business, Inc. (USA)
Related Parts
3110-00-100-0663INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
643
5340-00-143-0223INTERCHANGEABLE
CLAMP,LOOP
82743-4

Frequently Asked Questions

What is NSN 5985-01-507-0738?

NSN 5985-01-507-0738 is a Waveguide Assembly, manufactured by Cpi Electron Device Business, Inc., classified under FSC 5985 (No Item Name Available). Status: active.

What are the part numbers for NSN 5985-01-507-0738?

NSN 5985-01-507-0738 has 1 cross-referenced part number: 827434 (Cpi Electron Device Business, Inc.).

What NSN replaces 5985-01-507-0738?

There are 2 known substitutes for 5985-01-507-0738: 3110-00-100-0663, 5340-00-143-0223. Verify interchangeability with system specifications before substitution.

What are the specifications of 827434?

Key specifications for 827434: Cross-Sectional Shape Style: INTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR; Flange Outside Height: 1.875 INCHES NOMINAL SECOND FLANGE IN; Waveguide Length: 12.125 INCHES NOMINAL IN; Flange Inside Width: 1.122 INCHES NOMINAL FIRST FLANGE IN. 30 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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