PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

TS645481Waveguide Assembly

Microwave Engineering Corporation · NSN 5985-00-110-3562 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-00-110-3562 — this item is cataloged by the U.S. Government under National Stock Number 5985-00-110-3562. Primary manufacturer part number: TS645481.
Features
  • Waveguide Assembly — FSC 5985
  • Thread Direction: RIGHT-HAND ALL FLANGES ALL CONNECTION FACILITIES
  • Material: COPPER SINGLE TUBING SEGMENT
  • Flange Outside Height: 1.625 INCHES NOMINAL ALL FLANGES IN
  • Insertion Loss in Decibels: 0.20
  • Flange Depth: 0.438 INCHES NOMINAL ALL FLANGES IN
  • Flange Inside Height: 0.400 INCHES NOMINAL ALL FLANGES IN
  • Surface Treatment: SILVER ALL TUBING SEGMENT AND FLANGE INSIDE SURFACES
Applications
  • Applications requiring Copper Single Tubing Segment construction
General Description

The Waveguide Assembly, cataloged under National Stock Number 5985-00-110-3562, 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 Microwave Engineering Corporation. Government technical data includes 30 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, 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
NSN5985-00-110-3562
Primary Part NumberTS645481
Item NameWaveguide Assembly
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerMicrowave Engineering Corporation
StatusACTIVE
Thread DirectionRIGHT-HAND ALL FLANGES ALL CONNECTION FACILITIES
MaterialCOPPER SINGLE TUBING SEGMENT
Flange Outside Height1.625 INCHES NOMINAL ALL FLANGES IN
Insertion Loss in Decibels0.20
Flange Depth0.438 INCHES NOMINAL ALL FLANGES IN
Flange Inside Height0.400 INCHES NOMINAL ALL FLANGES IN
Surface TreatmentSILVER ALL TUBING SEGMENT AND FLANGE INSIDE SURFACES
Flange Inside Diameter1.422 INCHES NOMINAL ALL FLANGES IN
Waveguide Outside Width1.000 INCHES NOMINAL IN
Precious Material and LocationINTERNAL SURFACES SILVER
Flange Connecting Facility and Quantity4 THREADED HOLE(S) ALL FLANGES ALL CONNECTION FACILITIES
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) ALL FLANGES ALL CONNECTION FACILITIES
Flange Outside Width1.625 INCHES NOMINAL ALL FLANGES IN
Surface TreatmentPAINT ALL TUBING SEGMENT AND FLANGE OUTSIDE SURFACES
Voltage Standing Wave Ratio1.15
Flange Quantity2
Cross-Sectional Shape StyleINTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR
Waveguide Inside Height0.400 INCHES NOMINAL IN
Thread Class2B ALL FLANGES ALL CONNECTION FACILITIES
Style DesignatorOFFSET BEND TYPE
Nominal Thread Size0.164 INCHES ALL FLANGES ALL CONNECTION FACILITIES IN
MaterialALUMINUM ALLOY ALL FLANGE
Operating Pressure30.0 POUNDS PER SQUARE INCH GAUGE (PSIG) MAXIMUM LBS
Waveguide Outside Height0.500 INCHES NOMINAL IN
Waveguide Length1.696 FEET NOMINAL FT
FlexibilityFLEXIBLE SINGLE TUBING SEGMENT
Waveguide Inside Width0.900 INCHES NOMINAL IN
Flange StyleCHOKE TYPE ALL FLANGES
Precious MaterialSILVER
Waveguide Center to Center Distance11.840 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
4320-01-060-9581255947 INTERCHANGEABLE
Parts Kit,rotary Pump
Kalmar AC Inc
Cross-Reference Index
Part NumberManufacturer
255947 Raytheon Company Dba Raytheon (USA)
TS645481 PRIMARY Microwave Engineering Corporation (USA)
255947 Microtech Inc Dba Microtech Inc (USA)
Related Parts
4320-01-060-9581INTERCHANGEABLE
PARTS KIT,ROTARY PUMP
255947

Frequently Asked Questions

What is NSN 5985-00-110-3562?

NSN 5985-00-110-3562 is a Waveguide Assembly, manufactured by Microwave Engineering Corporation, classified under FSC 5985 (No Item Name Available). Status: active.

What are the part numbers for NSN 5985-00-110-3562?

NSN 5985-00-110-3562 has 3 cross-referenced part numbers: 255947 (Raytheon Company Dba Raytheon), TS645481 (Microwave Engineering Corporation), 255947 (Microtech Inc Dba Microtech Inc).

What NSN replaces 5985-00-110-3562?

There is 1 known substitute for 5985-00-110-3562: 4320-01-060-9581. Verify interchangeability with system specifications before substitution.

What are the specifications of TS645481?

Key specifications for TS645481: Thread Direction: RIGHT-HAND ALL FLANGES ALL CONNECTION FACILITIES; Material: COPPER SINGLE TUBING SEGMENT; Flange Outside Height: 1.625 INCHES NOMINAL ALL FLANGES IN; Insertion Loss in Decibels: 0.20. 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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