PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

373502-1Waveguide Assembly

L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products · NSN 5985-00-175-4525 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-00-175-4525 — this item is cataloged by the U.S. Government under National Stock Number 5985-00-175-4525. Primary manufacturer part number: 373502-1.
Features
  • Waveguide Assembly — FSC 5985
  • Flexibility: FLEXIBLE FIRST TUBING SEGMENT
  • Flange Inside Height: 0.394 INCHES NOMINAL ALL FLANGES IN
  • Bend Angle in Deg: 90.0 ALL BENDS H-PLANE
  • Waveguide Outside Height: 0.391 INCHES NOMINAL IN
  • Waveguide Offset Distance: 2.125 INCHES NOMINAL IN
  • Insertion Loss in Decibels: 0.15
  • Tubing Wall Construction Style: SEAMLESS SECOND TUBING SEGMENT
Applications
  • Applications requiring Aluminum All Flange construction
General Description

The Waveguide Assembly, cataloged under National Stock Number 5985-00-175-4525, 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 L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products. Government technical data includes 30 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5985-00-175-4525
Primary Part Number373502-1
Item NameWaveguide Assembly
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerL3harris Technologies, Inc. Dba Harris Corp Div Antenna Products
StatusACTIVE
FlexibilityFLEXIBLE FIRST TUBING SEGMENT
Flange Inside Height0.394 INCHES NOMINAL ALL FLANGES IN
Bend Angle in Deg90.0 ALL BENDS H-PLANE
Waveguide Outside Height0.391 INCHES NOMINAL IN
Waveguide Offset Distance2.125 INCHES NOMINAL IN
Insertion Loss in Decibels0.15
Tubing Wall Construction StyleSEAMLESS SECOND TUBING SEGMENT
Waveguide Inside Height0.311 INCHES NOMINAL IN
Flange Depth0.312 INCHES NOMINAL ALL FLANGES IN
Waveguide Inside Width0.622 INCHES NOMINAL IN
MaterialALUMINUM ALL FLANGE
Style DesignatorELBOW TYPE
Surface TreatmentSILVER ALL FLANGE ALL SURFACES
Flange Connecting Facility and Quantity4 UNTHREADED HOLE(S) ALL FLANGES ALL CONNECTION FACILITIES
Surface TreatmentCHROMATE SECOND TUBING SEGMENT ALL SURFACES
MaterialCOPPER ALLOY FIRST TUBING SEGMENT
Surface TreatmentSILVER FIRST TUBING SEGMENT ALL SURFACES
FlexibilityRIGID SECOND TUBING SEGMENT
Tubing Wall Construction StyleCONVOLUTE FIRST TUBING SEGMENT
Flange Quantity2
Flange Outside Width1.312 INCHES NOMINAL ALL FLANGES IN
Precious MaterialSILVER
Flange StyleCOVER TYPE ALL FLANGES
Flange Connecting Hole Diameter0.144 INCHES NOMINAL ALL FLANGES ALL CONNECTION FACILITIES IN
Cross-Sectional Shape StyleINTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR
Voltage Standing Wave Ratio1.13
Precious Material and LocationTUBING AND FLANGE SURFACES SILVER
MaterialPLASTIC ALL TUBING JACKET
Waveguide Outside Width0.702 INCHES NOMINAL IN
MaterialALUMINUM SECOND TUBING SEGMENT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5950-00-175-86600490-0304 INTERCHANGEABLE
Coil,electrical
Keysight Technologies Inc
5355-00-281-0662 INTERCHANGEABLE
Window,dial
4920-00-298-8195115170 INTERCHANGEABLE
Rate Generator Assembly
Astronautics Corporation of America
6210-01-137-1807 INTERCHANGEABLE
Light Assembly,indicator
5120-01-333-9685115-170 INTERCHANGEABLE
Screwdriver,flat Tip
Stanley Supply & Services Inc.
5315-01-699-3600373502-1 INTERCHANGEABLE
Key,woodruff
Parker-Hannifin Corporation Dba Control Systems Division
Cross-Reference Index
Part NumberManufacturer
373502-1 PRIMARY L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products (USA)
115170 Litton Systems Inc Airtron Div (USA)
115170 Frontgrade Technologies Inc. (USA)
UD6P Coto Corp (USA)
0490-0304 Hewlett-Packard Company Dba HP (USA)
Related Parts
5950-00-175-8660INTERCHANGEABLE
COIL,ELECTRICAL
0490-0304
5355-00-281-0662INTERCHANGEABLE
WINDOW,DIAL
4920-00-298-8195INTERCHANGEABLE
RATE GENERATOR ASSEMBLY
115170
6210-01-137-1807INTERCHANGEABLE
LIGHT ASSEMBLY,INDICATOR
5120-01-333-9685INTERCHANGEABLE
SCREWDRIVER,FLAT TIP
115-170
5315-01-699-3600INTERCHANGEABLE
KEY,WOODRUFF
373502-1

Frequently Asked Questions

What is NSN 5985-00-175-4525?

NSN 5985-00-175-4525 is a Waveguide Assembly, manufactured by L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products, classified under FSC 5985 (No Item Name Available). Status: active.

What are the part numbers for NSN 5985-00-175-4525?

NSN 5985-00-175-4525 has 5 cross-referenced part numbers: 373502-1 (L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products), 115170 (Litton Systems Inc Airtron Div), 115170 (Frontgrade Technologies Inc.), UD6P (Coto Corp), 0490-0304 (Hewlett-Packard Company Dba HP).

What NSN replaces 5985-00-175-4525?

There are 6 known substitutes for 5985-00-175-4525: 5950-00-175-8660, 5355-00-281-0662, 4920-00-298-8195 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 373502-1?

Key specifications for 373502-1: Flexibility: FLEXIBLE FIRST TUBING SEGMENT; Flange Inside Height: 0.394 INCHES NOMINAL ALL FLANGES IN; Bend Angle in Deg: 90.0 ALL BENDS H-PLANE; Waveguide Outside Height: 0.391 INCHES NOMINAL 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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