PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2520864-1Waveguide Assembly

Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier · NSN 5985-00-923-8383 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-00-923-8383 — this item is cataloged by the U.S. Government under National Stock Number 5985-00-923-8383. Primary manufacturer part number: 2520864-1.
Features
  • Waveguide Assembly — FSC 5985
  • Flange Connecting Facility and Quantity: 4 THREADED HOLE(S) ALL FLANGES SINGLE CONNECTION FACILITY
  • Flexibility: RIGID SINGLE TUBING SEGMENT
  • Material: COPPER ALLOY ALL FLANGE
  • Bend Angle in Deg: 52.0 FIRST BEND E-PLANE
  • Flange Depth: 0.438 INCHES NOMINAL ALL FLANGES IN
  • Thread Direction: RIGHT-HAND ALL FLANGES SINGLE CONNECTION FACILITY
  • Waveguide Center to Center Distance: 3.125 INCHES NOMINAL IN
Applications
  • Applications requiring Copper Alloy All Flange construction
General Description

The Waveguide Assembly, cataloged under National Stock Number 5985-00-923-8383, 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 27 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5985-00-923-8383
Primary Part Number2520864-1
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 THREADED HOLE(S) ALL FLANGES SINGLE CONNECTION FACILITY
FlexibilityRIGID SINGLE TUBING SEGMENT
MaterialCOPPER ALLOY ALL FLANGE
Bend Angle in Deg52.0 FIRST BEND E-PLANE
Flange Depth0.438 INCHES NOMINAL ALL FLANGES IN
Thread DirectionRIGHT-HAND ALL FLANGES SINGLE CONNECTION FACILITY
Waveguide Center to Center Distance3.125 INCHES NOMINAL IN
Waveguide Inside Width0.900 INCHES NOMINAL IN
Waveguide Length6.810 INCHES NOMINAL IN
Flange StyleCOVER TYPE ALL FLANGES
Waveguide Outside Height0.500 INCHES NOMINAL IN
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) ALL FLANGES SINGLE CONNECTION FACILITY
Operating Pressure5.0 POUNDS PER SQUARE INCH GAUGE (PSIG) MAXIMUM LBS
Nominal Thread Size0.164 INCHES ALL FLANGES SINGLE CONNECTION FACILITY IN
Waveguide Inside Height0.400 INCHES NOMINAL IN
Style DesignatorOFFSET BEND TYPE
Waveguide Outside Width1.000 INCHES NOMINAL IN
Voltage Standing Wave Ratio1.06
Flange Inside Width1.003 INCHES NOMINAL ALL FLANGES IN
Bend Angle in Deg90.0 SECOND BEND E-PLANE
Flange Outside Width1.625 INCHES NOMINAL ALL FLANGES IN
Flange Quantity2
Tubing Wall Construction StyleSEAMLESS SINGLE TUBING SEGMENT
Thread Class2B ALL FLANGES SINGLE CONNECTION FACILITY
Cross-Sectional Shape StyleINTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR
Flange Inside Height0.505 INCHES NOMINAL ALL FLANGES IN
Flange Outside Height1.625 INCHES NOMINAL ALL FLANGES IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
2530-00-752-0046 INTERCHANGEABLE
Brake,shoe Type
5133-01-360-7734C46489 INTERCHANGEABLE
Counterbore,machine
Kennametal Inc. Div Kennametal Industrial Products Group
2940-01-619-245146489 INTERCHANGEABLE
Filter Element,intake Air Cleane
Wix Corp
Cross-Reference Index
Part NumberManufacturer
46489 Mega Industries Inc Mega Microwave Div (USA)
2520864 Raytheon Company Dba Raytheon Co (USA)
46489 Page Chester Ltd Dba Cooperative Industries Div Cooperative Industries Aerospace Defense (USA)
2520864 Raytheon Company Div Corp (USA)
2520864-1 PRIMARY Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
Related Parts
2530-00-752-0046INTERCHANGEABLE
BRAKE,SHOE TYPE
5133-01-360-7734INTERCHANGEABLE
COUNTERBORE,MACHINE
C46489
2940-01-619-2451INTERCHANGEABLE
FILTER ELEMENT,INTAKE AIR CLEANE
46489

Frequently Asked Questions

What is NSN 5985-00-923-8383?

NSN 5985-00-923-8383 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 5985-00-923-8383?

NSN 5985-00-923-8383 has 5 cross-referenced part numbers: 46489 (Mega Industries Inc Mega Microwave Div), 2520864 (Raytheon Company Dba Raytheon Co), 46489 (Page Chester Ltd Dba Cooperative Industries Div Cooperative Industries Aerospace Defense), 2520864 (Raytheon Company Div Corp), 2520864-1 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).

What NSN replaces 5985-00-923-8383?

There are 3 known substitutes for 5985-00-923-8383: 2530-00-752-0046, 5133-01-360-7734, 2940-01-619-2451. Verify interchangeability with system specifications before substitution.

What are the specifications of 2520864-1?

Key specifications for 2520864-1: Flange Connecting Facility and Quantity: 4 THREADED HOLE(S) ALL FLANGES SINGLE CONNECTION FACILITY; Flexibility: RIGID SINGLE TUBING SEGMENT; Material: COPPER ALLOY ALL FLANGE; Bend Angle in Deg: 52.0 FIRST BEND E-PLANE. 28 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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