PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2181435-1Switch,waveguide

Honeywell Intl Dba Honeywell Div Business and General Aviation · NSN 5985-00-086-9128 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-00-086-9128 — this item is cataloged by the U.S. Government under National Stock Number 5985-00-086-9128. Primary manufacturer part number: 2181435-1.
Features
  • Switch,waveguide — FSC 5985
  • Actuator Operating Method: RELAY
  • Mounting Facility Type and Quantity: 4 THREADED HOLE(S)
  • Flange Connecting Facility and Quantity: 4 THREADED HOLE(S)
  • Surface Treatment: ENAMEL BODY OUTSIDE SURFACES
  • Switch Return Mechanism Type: FAIL-SAFE
  • Insertion Loss in Decibels: 0.20 SINGLE
  • Rf Power Handling Capability: 10.0 KILOWATTS PEAK FIRST
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Switch,waveguide, cataloged under National Stock Number 5985-00-086-9128, 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 Honeywell Intl Dba Honeywell Div Business and General Aviation. Government technical data includes 27 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. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5985-00-086-9128
Primary Part Number2181435-1
Item NameSwitch,waveguide
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerHoneywell Intl Dba Honeywell Div Business and General Aviation
StatusACTIVE
Actuator Operating MethodRELAY
Mounting Facility Type and Quantity4 THREADED HOLE(S)
Flange Connecting Facility and Quantity4 THREADED HOLE(S)
Surface TreatmentENAMEL BODY OUTSIDE SURFACES
Switch Return Mechanism TypeFAIL-SAFE
Insertion Loss in Decibels0.20 SINGLE
Rf Power Handling Capability10.0 KILOWATTS PEAK FIRST
Pole Quantity2
Voltage Standing Wave Ratio1.20 SINGLE
Rf Power Handling Capability20.0 WATTS AVERAGE SECOND
Operating Temp Range-28.0 TO 85.0 CELSIUS DEGC
Nominal Thread Size0.164 INCHES FLANGE CONNECTION FACILITY HOLE IN
Longest Horizontal Distance Between Mounting Centers1.340 INCHES NOMINAL SINGLE MOUNTING FACILITY PATTERN IN
Switch TypeNONTRANSFER
Actuator Current Type and Rating in Amps0.6 DC NOMINAL
Actuator Voltage in Volts28.0 NOMINAL
Minimum Crosstalk Rating in Decibels50.0 SINGLE
Terminal Type and Quantity2 WIRE HOOK AND 4 RECTANGULAR FLANGE
Longest Vertical Distance Between Mounting Centers1.280 INCHES NOMINAL SINGLE MOUNTING FACILITY PATTERN IN
Nominal Thread Size0.164 INCHES MOUNTING FACILITY HOLE IN
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) MOUNTING FACILITY HOLE
Waveguide Flange TypeCHOKE
Body StyleRECTANGULAR
Coupling Position Quantity2
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) FLANGE CONNECTION FACILITY HOLE
Throw Quantity2
Mounting Facility PatternFOUR POSITION RECTANGULAR SINGLE MOUNTING FACILITY PATTERN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
2530-00-096-964910933120-1 INTERCHANGEABLE
Lining,friction
U S Army Tank Automotive Command Amsta-Im-Mm
5815-00-127-208874045 INTERCHANGEABLE
Vane
Telemechanics Inc
6680-00-390-9817745833-003 INTERCHANGEABLE
Counter,rotating
Dynapar Corp Div Specialty Product Technologies
2530-00-591-3099222008-4D INTERCHANGEABLE
Brake Lining Kit
Universal Friction Composites Vices Inc Dba Universal Friction Composites
6105-00-866-681674-045 INTERCHANGEABLE
Motor,alternating Current
Hydro-Aire Aerospace Corp
2590-01-368-134774045 INTERCHANGEABLE
Filler Neck,vehicular Components
DP Manufacturing Inc.
Cross-Reference Index
Part NumberManufacturer
1980-000 Guide Microwave Inc (USA)
2181435-1 PRIMARY Honeywell Intl Dba Honeywell Div Business and General Aviation (USA)
74045 Litton Systems Inc Airtron Div (USA)
Related Parts
2530-00-096-9649INTERCHANGEABLE
LINING,FRICTION
10933120-1
5815-00-127-2088INTERCHANGEABLE
VANE
74045
6680-00-390-9817INTERCHANGEABLE
COUNTER,ROTATING
745833-003
2530-00-591-3099INTERCHANGEABLE
BRAKE LINING KIT
222008-4D
6105-00-866-6816INTERCHANGEABLE
MOTOR,ALTERNATING CURRENT
74-045
2590-01-368-1347INTERCHANGEABLE
FILLER NECK,VEHICULAR COMPONENTS
74045

Frequently Asked Questions

What is NSN 5985-00-086-9128?

NSN 5985-00-086-9128 is a Switch,waveguide, manufactured by Honeywell Intl Dba Honeywell Div Business and General Aviation, classified under FSC 5985 (No Item Name Available). Status: active.

What are the part numbers for NSN 5985-00-086-9128?

NSN 5985-00-086-9128 has 3 cross-referenced part numbers: 1980-000 (Guide Microwave Inc), 2181435-1 (Honeywell Intl Dba Honeywell Div Business and General Aviation), 74045 (Litton Systems Inc Airtron Div).

What NSN replaces 5985-00-086-9128?

There are 6 known substitutes for 5985-00-086-9128: 2530-00-096-9649, 5815-00-127-2088, 6680-00-390-9817 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2181435-1?

Key specifications for 2181435-1: Actuator Operating Method: RELAY; Mounting Facility Type and Quantity: 4 THREADED HOLE(S); Flange Connecting Facility and Quantity: 4 THREADED HOLE(S); Surface Treatment: ENAMEL BODY OUTSIDE SURFACES. 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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