PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

50351Switch,radio Frequency Transmiss

Narda Holdings, Inc. Dba Narda-Miteq Div Narda-Miteq · NSN 5985-01-499-0474 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-01-499-0474 — this item is cataloged by the U.S. Government under National Stock Number 5985-01-499-0474. Primary manufacturer part number: 50351.
Features
  • Switch,radio Frequency Transmiss — FSC 5985
  • Actuator Operating Method: SOLID STATE
  • Operating Temp Range: -57.0 TO 125.0 CELSIUS DEGC
  • Coaxial Connector Series Designation: SMA
  • Distance Between Mounting Facility Centers: 1.390 INCHES MINIMUM AND 1.410 INCHES MAXIMUM SINGLE MOUNTING FACILITY PATTERN IN
  • Longest Horizontal Distance Between Mounting Centers: 0.990 INCHES MINIMUM AND 1.010 INCHES MAXIMUM SINGLE MOUNTING FACILITY PATTERN IN
  • Pole Quantity: 1
  • Connector End Design: MALE
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
  • Applications requiring Aluminum Alloy 6061 Body construction
General Description

The Switch,radio Frequency Transmiss, cataloged under National Stock Number 5985-01-499-0474, 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 Narda Holdings, Inc. Dba Narda-Miteq Div Narda-Miteq. Government technical data includes 20 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5985-01-499-0474
Primary Part Number50351
Item NameSwitch,radio Frequency Transmiss
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerNarda Holdings, Inc. Dba Narda-Miteq Div Narda-Miteq
StatusACTIVE
Actuator Operating MethodSOLID STATE
Operating Temp Range-57.0 TO 125.0 CELSIUS DEGC
Coaxial Connector Series DesignationSMA
Distance Between Mounting Facility Centers1.390 INCHES MINIMUM AND 1.410 INCHES MAXIMUM SINGLE MOUNTING FACILITY PATTERN IN
Longest Horizontal Distance Between Mounting Centers0.990 INCHES MINIMUM AND 1.010 INCHES MAXIMUM SINGLE MOUNTING FACILITY PATTERN IN
Pole Quantity1
Connector End DesignMALE
Mounting Facility PatternTWO POSITION DIAGONAL SINGLE MOUNTING FACILITY PATTERN
Mounting Facility Type and Quantity2 UNTHREADED HOLE(S)
Coupling Position Quantity2
Unpackaged Unit Weight2.500 OUNCES OZ
Minimum Crosstalk Rating in Decibels60.0 SINGLE
Terminal Type and Quantity2 RECEPTACLE, COAXIAL AND 4 PIN AND 1 TURRET
Insertion Loss in Decibels2.50 SINGLE
Throw Quantity1
MaterialALUMINUM ALLOY 6061 BODY
Voltage Standing Wave Ratio2.00 SINGLE
Body StyleRECTANGULAR
Unthreaded Mounting Hole Diameter0.094 INCHES NOMINAL IN
Switch TypeNONTRANSFER
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
3455-00-007-9645 INTERCHANGEABLE
File,rotary
6685-00-083-6602 INTERCHANGEABLE
Bridge Assembly
5330-00-291-910917294 INTERCHANGEABLE
Seal,plain Encased
Skf Usa Inc. Dba Skf Aerospace Sealing Solutions
3020-00-407-6161SC-B-69730 INTERCHANGEABLE
Gear,worm
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
7050-00-978-8107 INTERCHANGEABLE
Stacker Diode Assy
9905-01-262-367850-351 INTERCHANGEABLE
Plate,instruction
Goodrich Corporation Div Collins Aerospace, Landing Systems (wheels & Brakes)
1377-01-525-4120247447 INTERCHANGEABLE
Cartridge,powder Actuated Tool
Hilti Inc
Cross-Reference Index
Part NumberManufacturer
1452381 Caes Systems Llc (USA)
50351 PRIMARY Narda Holdings, Inc. Dba Narda-Miteq Div Narda-Miteq (USA)
1452381-1 Caes Systems Llc (USA)
Related Parts
3455-00-007-9645INTERCHANGEABLE
FILE,ROTARY
6685-00-083-6602INTERCHANGEABLE
BRIDGE ASSEMBLY
5330-00-291-9109INTERCHANGEABLE
SEAL,PLAIN ENCASED
17294
3020-00-407-6161INTERCHANGEABLE
GEAR,WORM
SC-B-69730
7050-00-978-8107INTERCHANGEABLE
STACKER DIODE ASSY
9905-01-262-3678INTERCHANGEABLE
PLATE,INSTRUCTION
50-351
1377-01-525-4120INTERCHANGEABLE
CARTRIDGE,POWDER ACTUATED TOOL
247447

Frequently Asked Questions

What is NSN 5985-01-499-0474?

NSN 5985-01-499-0474 is a Switch,radio Frequency Transmiss, manufactured by Narda Holdings, Inc. Dba Narda-Miteq Div Narda-Miteq, classified under FSC 5985 (No Item Name Available). Status: active.

What are the part numbers for NSN 5985-01-499-0474?

NSN 5985-01-499-0474 has 3 cross-referenced part numbers: 1452381 (Caes Systems Llc), 50351 (Narda Holdings, Inc. Dba Narda-Miteq Div Narda-Miteq), 1452381-1 (Caes Systems Llc).

What NSN replaces 5985-01-499-0474?

There are 7 known substitutes for 5985-01-499-0474: 3455-00-007-9645, 6685-00-083-6602, 5330-00-291-9109 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 50351?

Key specifications for 50351: Overall Length: 2.200 INCHES MAXIMUM IN; Actuator Operating Method: SOLID STATE; Operating Temp Range: -57.0 TO 125.0 CELSIUS DEGC; Coaxial Connector Series Designation: SMA. 24 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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