PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

CS31T1C1DSwitch,radio Frequency Transmiss

Teledyne Defense Electronics, Llc Dba Teledyne Microwave Solutions · NSN 5985-00-630-6641 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-00-630-6641 — this item is cataloged by the U.S. Government under National Stock Number 5985-00-630-6641. Primary manufacturer part number: CS31T1C1D.
Features
  • Switch,radio Frequency Transmiss — FSC 5985
  • Frequency Rating: 150.0 MEGAHERTZ MINIMUM AND 400.0 MEGAHERTZ MAXIMUM SINGLE FREQUENCY INSERTION LOSS REFERENCE
  • Actuator Current Type and Rating in Amps: 0.25 DC NOMINAL
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC) MOUNTING FACILITY HOLE
  • Connector End Design: FEMALE
  • Switching Time: 25.0 MILLISECONDS MS
  • Operating Temp Range: -28.0 TO 85.0 CELSIUS DEGC
  • Actuator Operating Method: RELAY
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Switch,radio Frequency Transmiss, cataloged under National Stock Number 5985-00-630-6641, 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 26 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5985-00-630-6641
Primary Part NumberCS31T1C1D
Item NameSwitch,radio Frequency Transmiss
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerTeledyne Defense Electronics, Llc Dba Teledyne Microwave Solutions
StatusACTIVE
Frequency Rating150.0 MEGAHERTZ MINIMUM AND 400.0 MEGAHERTZ MAXIMUM SINGLE FREQUENCY INSERTION LOSS REFERENCE
Actuator Current Type and Rating in Amps0.25 DC NOMINAL
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) MOUNTING FACILITY HOLE
Connector End DesignFEMALE
Switching Time25.0 MILLISECONDS MS
Operating Temp Range-28.0 TO 85.0 CELSIUS DEGC
Actuator Operating MethodRELAY
Body StyleIRREGULAR
Thread Class2B MOUNTING FACILITY HOLE
Actuator Voltage in Volts28.0 NOMINAL
Nominal Thread Size0.190 INCHES MOUNTING FACILITY HOLE IN
Throw Quantity2
Switch Return Mechanism TypeFAIL-SAFE
Pole Quantity1
Mounting Facility Type and Quantity2 THREADED HOLE(S)
Mounting Facility PatternTWO POSITION IN-LINE SINGLE MOUNTING FACILITY PATTERN
Frequency Rating150.0 MEGAHERTZ MINIMUM AND 400.0 MEGAHERTZ MAXIMUM SINGLE FREQUENCY RF POWER HANDLING
Insertion Loss in Decibels0.15 SINGLE
Switch Operation SequenceBREAKS BEFORE MAKES
Coaxial Connector Series DesignationTNC
Terminal Type and Quantity5 TURRET AND 3 RECEPTACLE, COAXIAL
Thread Quantity Per Inch24 MOUNTING FACILITY HOLE
Rf Power Handling Capability500.0 WATTS PEAK SINGLE
Voltage Standing Wave Ratio1.20 SINGLE
Coupling Position Quantity3
Switch TypeNONTRANSFER
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
5305-00-078-023212197 INTERCHANGEABLE
Screw,machine
Aerosonic Llc
5365-00-274-4544231344 INTERCHANGEABLE
Spacer,ring
General Motors Corp
5821-00-351-3285 INTERCHANGEABLE
Receiver Subassembly,radio
8010-00-527-3192 INTERCHANGEABLE
Paint,oil
6680-00-830-722612197-1 INTERCHANGEABLE
Diaphragm,pressure
Siemens Industry, Inc. Dba Siemens Energy Div Process Industries and Drives
5950-01-279-809261709-203 INTERCHANGEABLE
Transformer,audio Frequency
Dynalec Corporation
1680-01-282-802312197 INTERCHANGEABLE
Mack,solenoid
Clemco Industries Corp. Dba Clemco Industries Corp Div Clemco
2530-01-314-4440012058T INTERCHANGEABLE
Cylinder Assembly,hydraulic Brak
Kovatch Corp.
7025-01-475-8080927439-0177 INTERCHANGEABLE
Trackball,data Entry
Northrop Grumman Systems Corporation
2510-01-559-589912197 INTERCHANGEABLE
Frame Section,structural,vehicul
Bae Systems Information & Electronic Systems Integration Inc.
Cross-Reference Index
Part NumberManufacturer
CS31T1C1D Teledyne Defense Electronics, Llc Dba Teledyne Microwave Solutions (USA)
1131510G4 L3harris Technologies, Inc. Dba Harris Corporation (USA)
CS31T1C-1B Teledyne Defense Electronics, Llc Dba Teledyne Microwave Solutions (USA)
1131510G4 Itt Industries Inc Itt Aerospace Communications Div East (USA)
121-9-7 Allard Nazarian Group, Inc. Dba Granite State Manufacturing (USA)
Related Parts
5305-00-078-0232INTERCHANGEABLE
SCREW,MACHINE
12197
5365-00-274-4544INTERCHANGEABLE
SPACER,RING
231344
5821-00-351-3285INTERCHANGEABLE
RECEIVER SUBASSEMBLY,RADIO
8010-00-527-3192INTERCHANGEABLE
PAINT,OIL
6680-00-830-7226INTERCHANGEABLE
DIAPHRAGM,PRESSURE
12197-1
5950-01-279-8092INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
61709-203
1680-01-282-8023INTERCHANGEABLE
MACK,SOLENOID
12197
2530-01-314-4440INTERCHANGEABLE
CYLINDER ASSEMBLY,HYDRAULIC BRAK
012058T
7025-01-475-8080INTERCHANGEABLE
TRACKBALL,DATA ENTRY
927439-0177
2510-01-559-5899INTERCHANGEABLE
FRAME SECTION,STRUCTURAL,VEHICUL
12197
4710-01-598-2834INTERCHANGEABLE
TUBE,METALLIC
12197-03

Frequently Asked Questions

What is NSN 5985-00-630-6641?

NSN 5985-00-630-6641 is a Switch,radio Frequency Transmiss, 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 5985-00-630-6641?

NSN 5985-00-630-6641 has 5 cross-referenced part numbers: CS31T1C1D (Teledyne Defense Electronics, Llc Dba Teledyne Microwave Solutions), 1131510G4 (L3harris Technologies, Inc. Dba Harris Corporation), CS31T1C-1B (Teledyne Defense Electronics, Llc Dba Teledyne Microwave Solutions), 1131510G4 (Itt Industries Inc Itt Aerospace Communications Div East), 121-9-7 (Allard Nazarian Group, Inc. Dba Granite State Manufacturing).

What NSN replaces 5985-00-630-6641?

There are 11 known substitutes for 5985-00-630-6641: 5305-00-078-0232, 5365-00-274-4544, 5821-00-351-3285 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of CS31T1C1D?

Key specifications for CS31T1C1D: Overall Height: 2.750 INCHES MAXIMUM IN; Frequency Rating: 150.0 MEGAHERTZ MINIMUM AND 400.0 MEGAHERTZ MAXIMUM SINGLE FREQUENCY INSERTION LOSS REFERENCE; Special Features: HAS CONTACTS FOR INDICATOR CIRCUIT; Actuator Current Type and Rating in Amps: 0.25 DC NOMINAL. 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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