PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

CG537UWaveguide Assembly

Joint Electronics Type Designation System · NSN 5985-00-295-8930 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-00-295-8930 — this item is cataloged by the U.S. Government under National Stock Number 5985-00-295-8930. Primary manufacturer part number: CG537U.
Features
  • Waveguide Assembly — FSC 5985
  • Waveguide Inside Height: 3.060 INCHES MINIMUM AND 3.120 INCHES MAXIMUM IN
  • Flexibility: FLEXIBLE SINGLE TUBING SEGMENT
  • Precious Material and Location: TUBING INTERIOR SILVER
  • Precious Material: SILVER
  • Waveguide Outside Width: 7.000 INCHES NOMINAL IN
  • Flange Quantity: 2
  • Flange Connecting Hole Diameter: 0.250 INCHES NOMINAL SECOND FLANGE SINGLE CONNECTION FACILITY IN
Applications
  • Applications requiring Copper Alloy Single Tubing Segment construction
General Description

The Waveguide Assembly, cataloged under National Stock Number 5985-00-295-8930, 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 Joint Electronics Type Designation System. Government technical data includes 17 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5985-00-295-8930
Primary Part NumberCG537U
Item NameWaveguide Assembly
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerJoint Electronics Type Designation System
StatusACTIVE
Waveguide Inside Height3.060 INCHES MINIMUM AND 3.120 INCHES MAXIMUM IN
FlexibilityFLEXIBLE SINGLE TUBING SEGMENT
Precious Material and LocationTUBING INTERIOR SILVER
Precious MaterialSILVER
Waveguide Outside Width7.000 INCHES NOMINAL IN
Flange Quantity2
Flange Connecting Hole Diameter0.250 INCHES NOMINAL SECOND FLANGE SINGLE CONNECTION FACILITY IN
Flange Outside Height5.437 INCHES NOMINAL ALL FLANGES IN
Style DesignatorSTRAIGHT TYPE
Flange Connecting Facility and Quantity12 UNTHREADED HOLE(S) ALL FLANGES SINGLE CONNECTION FACILITY
Waveguide Inside Width6.448 INCHES MINIMUM AND 6.508 INCHES MAXIMUM IN
Surface TreatmentSILVER SINGLE TUBING SEGMENT INSIDE SURFACES
Waveguide Length4.500 FEET NOMINAL FT
Flange Outside Width8.687 INCHES NOMINAL ALL FLANGES IN
MaterialCOPPER ALLOY SINGLE TUBING SEGMENT
Flange Connecting Hole Diameter0.330 INCHES NOMINAL FIRST FLANGE SINGLE CONNECTION FACILITY IN
Waveguide Outside Height4.000 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5985-00-280-80577707282-4 INTERCHANGEABLE
Waveguide Assembly
Lockheed Martin Corporation Div Rms
5985-00-296-22957707282P2 INTERCHANGEABLE
Waveguide Assembly
Lockheed Martin Corporation Div Rms
5905-00-523-187253-49 INTERCHANGEABLE
Resistor,voltage Sensitive
Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems
Cross-Reference Index
Part NumberManufacturer
CG537U Joint Electronics Type Designation System (USA)
Related Parts
5985-00-280-8057INTERCHANGEABLE
WAVEGUIDE ASSEMBLY
7707282-4
5985-00-296-2295INTERCHANGEABLE
WAVEGUIDE ASSEMBLY
7707282P2
5905-00-523-1872INTERCHANGEABLE
RESISTOR,VOLTAGE SENSITIVE
53-49

Frequently Asked Questions

What is NSN 5985-00-295-8930?

NSN 5985-00-295-8930 is a Waveguide Assembly, manufactured by Joint Electronics Type Designation System, classified under FSC 5985 (No Item Name Available). Status: active.

What are the part numbers for NSN 5985-00-295-8930?

NSN 5985-00-295-8930 has 1 cross-referenced part number: CG537U (Joint Electronics Type Designation System).

What NSN replaces 5985-00-295-8930?

There are 3 known substitutes for 5985-00-295-8930: 5985-00-280-8057, 5985-00-296-2295, 5905-00-523-1872. Verify interchangeability with system specifications before substitution.

What are the specifications of CG537U?

Key specifications for CG537U: Waveguide Inside Height: 3.060 INCHES MINIMUM AND 3.120 INCHES MAXIMUM IN; Flexibility: FLEXIBLE SINGLE TUBING SEGMENT; Precious Material and Location: TUBING INTERIOR SILVER; Precious Material: SILVER. 17 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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