PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

5466-2Waveguide Assembly

Guide Microwave Inc · NSN 5985-00-166-0080 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-00-166-0080 — this item is cataloged by the U.S. Government under National Stock Number 5985-00-166-0080. Primary manufacturer part number: 5466-2.
Features
  • Waveguide Assembly — FSC 5985
  • Waveguide Outside Height: 0.496 INCHES MINIMUM AND 0.504 INCHES MAXIMUM IN
  • Flange Inside Width: 1.003 INCHES MINIMUM SECOND FLANGE IN
  • Flange Depth: 0.423 INCHES MINIMUM AND 0.453 INCHES MAXIMUM FIRST FLANGE IN
  • Thread Class: 2B FIRST FLANGE ALL CONNECTION FACILITIES
  • Waveguide Outside Width: 0.996 INCHES MINIMUM AND 1.004 INCHES MAXIMUM IN
  • Flange Outside Height: 1.610 INCHES MINIMUM AND 1.640 INCHES MAXIMUM SECOND FLANGE IN
  • Criticality Code Justification: FEAT
Applications
  • Applications requiring Aluminum Alloy All Tubing Segment and Flange construction
General Description

The Waveguide Assembly, cataloged under National Stock Number 5985-00-166-0080, 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 Guide Microwave Inc. Government technical data includes 29 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5985-00-166-0080
Primary Part Number5466-2
Item NameWaveguide Assembly
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerGuide Microwave Inc
StatusACTIVE
Waveguide Outside Height0.496 INCHES MINIMUM AND 0.504 INCHES MAXIMUM IN
Flange Inside Width1.003 INCHES MINIMUM SECOND FLANGE IN
Flange Depth0.423 INCHES MINIMUM AND 0.453 INCHES MAXIMUM FIRST FLANGE IN
Thread Class2B FIRST FLANGE ALL CONNECTION FACILITIES
Waveguide Outside Width0.996 INCHES MINIMUM AND 1.004 INCHES MAXIMUM IN
Flange Outside Height1.610 INCHES MINIMUM AND 1.640 INCHES MAXIMUM SECOND FLANGE IN
Criticality Code JustificationFEAT
Thread Quantity Per Inch32 FIRST FLANGE ALL CONNECTION FACILITIES
Flange StyleCOVER TYPE SECOND FLANGE
FSC Application DataANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT
MaterialALUMINUM ALLOY ALL TUBING SEGMENT AND FLANGE
FlexibilityRIGID ALL TUBING SEGMENT
Surface TreatmentENAMEL ALL TUBING SEGMENT AND FLANGE OUTSIDE SURFACES
Flange StyleCHOKE TYPE FIRST FLANGE
Specification/standard Data20418-633401 MANUFACTURERS SOURCE CONTROL
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) FIRST FLANGE ALL CONNECTION FACILITIES
Flange Connecting Hole Diameter0.169 INCHES MINIMUM SECOND FLANGE ALL CONNECTION FACILITIES IN
Flange Connecting Facility and Quantity4 THREADED HOLE(S) FIRST FLANGE ALL CONNECTION FACILITIES
Flange Quantity2
Flange Outside Width1.610 INCHES MINIMUM AND 1.640 INCHES MAXIMUM FIRST FLANGE IN
Flange Inside Height0.396 INCHES MINIMUM AND 0.404 INCHES MAXIMUM FIRST FLANGE IN
Waveguide Inside Height0.396 INCHES MINIMUM AND 0.404 INCHES MAXIMUM IN
Tubing Wall Construction StyleSEAMLESS ALL TUBING SEGMENT
Thread DirectionRIGHT-HAND FIRST FLANGE ALL CONNECTION FACILITIES
Flange Inside Height0.503 INCHES MINIMUM SECOND FLANGE IN
Flange Inside Width0.896 INCHES MINIMUM AND 0.904 INCHES MAXIMUM FIRST FLANGE IN
Waveguide Inside Width0.896 INCHES MINIMUM AND 0.904 INCHES MAXIMUM IN
Cross-Sectional Shape StyleINTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR
Nominal Thread Size0.138 INCHES FIRST FLANGE ALL CONNECTION FACILITIES IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
4820-00-073-840513211E8369 INTERCHANGEABLE
Valve,safety Relief
Cecom Lr Center
5136-00-580-718254662 INTERCHANGEABLE
Tap,thread Cutting
Tapco Cutting Tools Inc
2810-00-691-682454662 INTERCHANGEABLE
Piston Assembly
Mcculloch Corp
1680-01-536-040354662 INTERCHANGEABLE
Pad,cushioning
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
Cross-Reference Index
Part NumberManufacturer
5466-2 Guide Microwave Inc (USA)
1025-1000 Rantec Microwave Systems, Inc Dba Rantec Microwave Systems, Inc (USA)
633401-301 Drs Sustainment Systems Inc (USA)
633401-301 Drs Sustainment Systems, Inc. (USA)
Related Parts
4820-00-073-8405INTERCHANGEABLE
VALVE,SAFETY RELIEF
13211E8369
5136-00-580-7182INTERCHANGEABLE
TAP,THREAD CUTTING
54662
2810-00-691-6824INTERCHANGEABLE
PISTON ASSEMBLY
54662
1680-01-536-0403INTERCHANGEABLE
PAD,CUSHIONING
54662

Frequently Asked Questions

What is NSN 5985-00-166-0080?

NSN 5985-00-166-0080 is a Waveguide Assembly, manufactured by Guide Microwave Inc, classified under FSC 5985 (No Item Name Available). Status: active.

What are the part numbers for NSN 5985-00-166-0080?

NSN 5985-00-166-0080 has 4 cross-referenced part numbers: 5466-2 (Guide Microwave Inc), 1025-1000 (Rantec Microwave Systems, Inc Dba Rantec Microwave Systems, Inc), 633401-301 (Drs Sustainment Systems Inc), 633401-301 (Drs Sustainment Systems, Inc.).

What NSN replaces 5985-00-166-0080?

There are 4 known substitutes for 5985-00-166-0080: 4820-00-073-8405, 5136-00-580-7182, 2810-00-691-6824 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 5466-2?

Key specifications for 5466-2: Waveguide Outside Height: 0.496 INCHES MINIMUM AND 0.504 INCHES MAXIMUM IN; Flange Inside Width: 1.003 INCHES MINIMUM SECOND FLANGE IN; Flange Depth: 0.423 INCHES MINIMUM AND 0.453 INCHES MAXIMUM FIRST FLANGE IN; Thread Class: 2B FIRST FLANGE ALL CONNECTION FACILITIES. 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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