PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

CS319Switch,radio Frequency Transmiss

Meggitt Safety Systems Inc · NSN 5985-00-837-9973 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-00-837-9973 — this item is cataloged by the U.S. Government under National Stock Number 5985-00-837-9973. Primary manufacturer part number: CS319.
Features
  • Switch,radio Frequency Transmiss — FSC 5985
  • Frequency Rating: 0.0 GIGAHERTZ MINIMUM AND 1.2 GIGAHERTZ MAXIMUM SINGLE FREQUENCY RF POWER HANDLING
  • Pole Quantity: 1
  • Switch Operation Sequence: BREAKS BEFORE MAKES
  • Coupling Position Quantity: 2
  • Throw Quantity: 2
  • Switch Type: NONTRANSFER
  • Connector End Design: FEMALE
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Switch,radio Frequency Transmiss, cataloged under National Stock Number 5985-00-837-9973, 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 Meggitt Safety Systems Inc. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5985-00-837-9973
Primary Part NumberCS319
Item NameSwitch,radio Frequency Transmiss
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerMeggitt Safety Systems Inc
StatusCANCELLED
Frequency Rating0.0 GIGAHERTZ MINIMUM AND 1.2 GIGAHERTZ MAXIMUM SINGLE FREQUENCY RF POWER HANDLING
Pole Quantity1
Switch Operation SequenceBREAKS BEFORE MAKES
Coupling Position Quantity2
Throw Quantity2
Switch TypeNONTRANSFER
Connector End DesignFEMALE
Frequency Rating1.2 GIGAHERTZ NOMINAL SINGLE FREQUENCY INSERTION LOSS REFERENCE
Coaxial Connector Series DesignationN
Actuator Current Type and Rating in Amps1.0 DC MAXIMUM
Terminal Type and Quantity1 CONNECTOR, RECEPTACLE AND 3 RECEPTACLE, COAXIAL
Actuator Voltage in Volts28.0 NOMINAL
Rf Maximum Voltage Rating1.0 KILOVOLTS PEAK
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 3
5985-00-097-7374 INTERCHANGEABLE
Switch,radio Frequency Transmiss
5985-00-788-6961 INTERCHANGEABLE
Switch,radio Frequency Transmiss
5985-00-837-0000 INTERCHANGEABLE
Switch,radio Frequency Transmiss
Cross-Reference Index
Part NumberManufacturer
SA-521/A Joint Electronics Type Designation System (USA)
CS319 Eaton Aerospace Llc Dba Eaton Inoac Div Fuel & Motion Control Systems Division (USA)
MIL-S-25879 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
CS319 PRIMARY Meggitt Safety Systems Inc (USA)
CS319 Eaton Motor Site (USA)
Related Parts
5985-00-097-7374INTERCHANGEABLE
SWITCH,RADIO FREQUENCY TRANSMISS
5985-00-788-6961INTERCHANGEABLE
SWITCH,RADIO FREQUENCY TRANSMISS
5985-00-837-0000INTERCHANGEABLE
SWITCH,RADIO FREQUENCY TRANSMISS

Frequently Asked Questions

What is NSN 5985-00-837-9973?

NSN 5985-00-837-9973 is a Switch,radio Frequency Transmiss, manufactured by Meggitt Safety Systems Inc, classified under FSC 5985 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5985-00-837-9973?

NSN 5985-00-837-9973 has 5 cross-referenced part numbers: SA-521/A (Joint Electronics Type Designation System), CS319 (Eaton Aerospace Llc Dba Eaton Inoac Div Fuel & Motion Control Systems Division), MIL-S-25879 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), CS319 (Meggitt Safety Systems Inc), CS319 (Eaton Motor Site).

What NSN replaces 5985-00-837-9973?

There are 3 known substitutes for 5985-00-837-9973: 5985-00-097-7374, 5985-00-788-6961, 5985-00-837-0000. Verify interchangeability with system specifications before substitution.

What are the specifications of CS319?

Key specifications for CS319: Frequency Rating: 0.0 GIGAHERTZ MINIMUM AND 1.2 GIGAHERTZ MAXIMUM SINGLE FREQUENCY RF POWER HANDLING; Pole Quantity: 1; Switch Operation Sequence: BREAKS BEFORE MAKES; Coupling Position Quantity: 2. 16 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5985-00-837-9973 still in active supply?

NSN 5985-00-837-9973 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com