PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2052874Waveguide Assembly

Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier · NSN 5985-00-020-2929 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-00-020-2929 — this item is cataloged by the U.S. Government under National Stock Number 5985-00-020-2929. Primary manufacturer part number: 2052874.
Features
  • Waveguide Assembly — FSC 5985
  • Flange Connecting Facility and Quantity: 4 UNTHREADED HOLE(S) FIRST FLANGE SINGLE CONNECTION FACILITY
  • Waveguide Inside Height: 0.400 INCHES NOMINAL IN
  • Flange Outside Height: 1.625 INCHES NOMINAL SECOND FLANGE IN
  • Flange Outside Width: 1.625 INCHES NOMINAL SECOND FLANGE IN
  • Flange Style: CHOKE TYPE FIRST FLANGE
  • Flange Connecting Facility and Quantity: 4 UNTHREADED HOLE(S) SECOND FLANGE SINGLE CONNECTION FACILITY
  • Flange Inside Width: 0.900 INCHES NOMINAL FIRST FLANGE IN
Applications
  • Applications requiring Copper Alloy All Tubing Segment and Flange construction
General Description

The Waveguide Assembly, cataloged under National Stock Number 5985-00-020-2929, 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 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 30 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5985-00-020-2929
Primary Part Number2052874
Item NameWaveguide Assembly
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerNavair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
StatusACTIVE
Flange Connecting Facility and Quantity4 UNTHREADED HOLE(S) FIRST FLANGE SINGLE CONNECTION FACILITY
Waveguide Inside Height0.400 INCHES NOMINAL IN
Flange Outside Height1.625 INCHES NOMINAL SECOND FLANGE IN
Flange Outside Width1.625 INCHES NOMINAL SECOND FLANGE IN
Flange StyleCHOKE TYPE FIRST FLANGE
Flange Connecting Facility and Quantity4 UNTHREADED HOLE(S) SECOND FLANGE SINGLE CONNECTION FACILITY
Flange Inside Width0.900 INCHES NOMINAL FIRST FLANGE IN
Waveguide Inside Width0.900 INCHES NOMINAL IN
Waveguide Outside Width1.000 INCHES NOMINAL IN
Tubing Wall Construction StyleSEAMLESS SINGLE TUBING SEGMENT
Flange Connecting Hole Diameter0.169 INCHES NOMINAL SECOND FLANGE SINGLE CONNECTION FACILITY IN
Flange StyleCOVER TYPE SECOND FLANGE
Waveguide Offset Distance1.562 INCHES NOMINAL IN
Flange Outside Height1.625 INCHES NOMINAL FIRST FLANGE IN
Voltage Standing Wave Ratio1.10
FlexibilityRIGID SINGLE TUBING SEGMENT
Style DesignatorBEND TYPE
Surface TreatmentSILVER ALL FLANGE INSIDE SURFACES
Flange Depth0.438 INCHES NOMINAL FIRST FLANGE IN
Flange Inside Width1.003 INCHES NOMINAL SECOND FLANGE IN
Bend Angle in Deg90.0 SINGLE BEND E-PLANE
Surface TreatmentSILVER SINGLE TUBING SEGMENT INSIDE SURFACES
Waveguide Outside Height0.500 INCHES NOMINAL IN
Flange Outside Width1.625 INCHES NOMINAL FIRST FLANGE IN
Flange Quantity2
Flange Inside Height0.503 INCHES NOMINAL SECOND FLANGE IN
Surface TreatmentCHROMATE ZINC AND PAINT SINGLE TUBING SEGMENT OUTSIDE SURFACES
Cross-Sectional Shape StyleINTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR
MaterialCOPPER ALLOY ALL TUBING SEGMENT AND FLANGE
Flange Inside Height0.400 INCHES NOMINAL FIRST FLANGE IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5340-00-152-0457157E11-2296 INTERCHANGEABLE
Clamp,loop
Kurz & Root Generator Company, Llc
Cross-Reference Index
Part NumberManufacturer
2310320 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
2052874 PRIMARY Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
Related Parts
5340-00-152-0457INTERCHANGEABLE
CLAMP,LOOP
157E11-2296

Frequently Asked Questions

What is NSN 5985-00-020-2929?

NSN 5985-00-020-2929 is a Waveguide Assembly, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5985 (No Item Name Available). Status: active.

What are the part numbers for NSN 5985-00-020-2929?

NSN 5985-00-020-2929 has 2 cross-referenced part numbers: 2310320 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 2052874 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).

What NSN replaces 5985-00-020-2929?

There is 1 known substitute for 5985-00-020-2929: 5340-00-152-0457. Verify interchangeability with system specifications before substitution.

What are the specifications of 2052874?

Key specifications for 2052874: Flange Connecting Facility and Quantity: 4 UNTHREADED HOLE(S) FIRST FLANGE SINGLE CONNECTION FACILITY; Waveguide Inside Height: 0.400 INCHES NOMINAL IN; Flange Outside Height: 1.625 INCHES NOMINAL SECOND FLANGE IN; Flange Outside Width: 1.625 INCHES NOMINAL SECOND 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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