PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

WS01P21-1Switch,waveguide

Teledyne Defense Electronics, Llc Dba Teledyne Microwave Solutions · NSN 5985-00-327-8989 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-00-327-8989 — this item is cataloged by the U.S. Government under National Stock Number 5985-00-327-8989. Primary manufacturer part number: WS01P21-1.
Features
  • Switch,waveguide — FSC 5985
  • Rf Power Handling Capability: 50.0 WATTS AVERAGE SINGLE
  • Voltage Standing Wave Ratio: 1.10 SINGLE
  • Body Style: RECTANGULAR
  • Coupling Position Quantity: 4
  • Frequency Rating: 12.4 GIGAHERTZ MINIMUM AND 18.0 GIGAHERTZ MAXIMUM SINGLE FREQUENCY CROSSTALK REFERENCE
  • Material: ALUMINUM BODY
  • Waveguide Flange Type: COVER
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
  • Applications requiring Aluminum Body construction
General Description

The Switch,waveguide, cataloged under National Stock Number 5985-00-327-8989, 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 Teledyne Defense Electronics, Llc Dba Teledyne Microwave Solutions. Government technical data includes 21 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5985-00-327-8989
Primary Part NumberWS01P21-1
Item NameSwitch,waveguide
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerTeledyne Defense Electronics, Llc Dba Teledyne Microwave Solutions
StatusACTIVE
Rf Power Handling Capability50.0 WATTS AVERAGE SINGLE
Voltage Standing Wave Ratio1.10 SINGLE
Body StyleRECTANGULAR
Coupling Position Quantity4
Frequency Rating12.4 GIGAHERTZ MINIMUM AND 18.0 GIGAHERTZ MAXIMUM SINGLE FREQUENCY CROSSTALK REFERENCE
MaterialALUMINUM BODY
Waveguide Flange TypeCOVER
Actuator Operating MethodRELAY
Switching Time50.0 MILLISECONDS MS
Mounting Facility Type and Quantity4 UNTHREADED HOLE(S)
Frequency Rating12.4 GIGAHERTZ MINIMUM AND 18.0 GIGAHERTZ MAXIMUM SINGLE FREQUENCY RF POWER HANDLING
Actuator Voltage in Volts115.0 NOMINAL
Switch Return Mechanism TypeFAIL-SAFE
Frequency Rating12.4 GIGAHERTZ MINIMUM AND 18.0 GIGAHERTZ MAXIMUM SINGLE FREQUENCY VOLTAGE STANDING WAVE RATIO
Frequency Rating12.4 GIGAHERTZ MINIMUM AND 18.0 GIGAHERTZ MAXIMUM SINGLE FREQUENCY INSERTION LOSS REFERENCE
Frequency Rating12.4 GIGAHERTZ MINIMUM AND 18.0 GIGAHERTZ MAXIMUM SINGLE FREQUENCY OPERATING
Flange Connecting Facility and Quantity4 UNTHREADED HOLE(S)
Switch TypeTRANSFER
Insertion Loss in Decibels0.30 SINGLE
Minimum Crosstalk Rating in Decibels50.0 SINGLE
Terminal Type and Quantity1 CONNECTOR, RECEPTACLE AND 4 RECTANGULAR FLANGE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5945-00-554-9351100-481 INTERCHANGEABLE
Relay,electromagnetic
Logitek Inc
3020-01-159-7778100481 INTERCHANGEABLE
Chain,roller
Reliance Electric Company Dba Reliance & Dodge Brands
4820-01-280-9110100481 INTERCHANGEABLE
Valve,regulating,fluid Pressure
Parker-Hannifin Corporation Dba Refrigeration Specialties Div Refrigerating Specialties Division
6685-01-481-3551ITD318A2-S INTERCHANGEABLE
Thermometer,self-Indicating,bime
Moeller Instrument Company, Inc. Dba Moeller Instrument Co
5331-01-488-4787100481 INTERCHANGEABLE
O-Ring
Indeco North America Inc
Cross-Reference Index
Part NumberManufacturer
WS01P21-1 Teledyne Defense Electronics, Llc Dba Teledyne Microwave Solutions (USA)
DBF612BE3 Systron-Donner Corp Microwave/instrument Div (USA)
10048-1 Alliant Techsystems Operations Llc Div Defense Electronic Systems (USA)
Related Parts
5945-00-554-9351INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
100-481
3020-01-159-7778INTERCHANGEABLE
CHAIN,ROLLER
100481
4820-01-280-9110INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
100481
6685-01-481-3551INTERCHANGEABLE
THERMOMETER,SELF-INDICATING,BIME
ITD318A2-S
5331-01-488-4787INTERCHANGEABLE
O-RING
100481

Frequently Asked Questions

What is NSN 5985-00-327-8989?

NSN 5985-00-327-8989 is a Switch,waveguide, manufactured by Teledyne Defense Electronics, Llc Dba Teledyne Microwave Solutions, classified under FSC 5985 (No Item Name Available). Status: active.

What are the part numbers for NSN 5985-00-327-8989?

NSN 5985-00-327-8989 has 3 cross-referenced part numbers: WS01P21-1 (Teledyne Defense Electronics, Llc Dba Teledyne Microwave Solutions), DBF612BE3 (Systron-Donner Corp Microwave/instrument Div), 10048-1 (Alliant Techsystems Operations Llc Div Defense Electronic Systems).

What NSN replaces 5985-00-327-8989?

There are 5 known substitutes for 5985-00-327-8989: 5945-00-554-9351, 3020-01-159-7778, 4820-01-280-9110 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of WS01P21-1?

Key specifications for WS01P21-1: Rf Power Handling Capability: 50.0 WATTS AVERAGE SINGLE; Voltage Standing Wave Ratio: 1.10 SINGLE; Body Style: RECTANGULAR; Coupling Position Quantity: 4. 22 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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