PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1673Switch,rotary

Janco Corporation Dba Janco Corp Div Mason Controls · NSN 5930-01-105-4540 · FSC 5930 · No Item Name Available
Verified by PartsTable
NSN 5930-01-105-4540 — this item is cataloged by the U.S. Government under National Stock Number 5930-01-105-4540. Primary manufacturer part number: 1673.
Features
  • Switch,rotary — FSC 5930
  • Contact Load Current Rating: 2.0 AMPERES MOTOR LOAD AC AT SEA LEVEL
  • Style Designator: TAP, CIRCULAR, BUSHING MOUNT
  • Switch Actuator Indexing Position Quantity: 4 SINGLE ACTUATOR
  • Switch Actuator Momentary Position: COUNTERCLOCKWISE SINGLE ACTUATOR
  • Rotor Through Connection Quantity: 1 EACH SECTION
  • Nominal Thread Size: 0.469 INCHES SINGLE MOUNTING FACILITY IN
  • Flat Height: 0.214 INCHES NOMINAL SINGLE ACTUATOR IN
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Switch,rotary, cataloged under National Stock Number 5930-01-105-4540, is classified within Federal Supply Class 5930 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Janco Corporation Dba Janco Corp Div Mason Controls. Government technical data includes 25 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5930-01-105-4540
Primary Part Number1673
Item NameSwitch,rotary
FSC / FSG5930 / 59 — No Item Name Available
ManufacturerJanco Corporation Dba Janco Corp Div Mason Controls
StatusACTIVE
Contact Load Current Rating2.0 AMPERES MOTOR LOAD AC AT SEA LEVEL
Style DesignatorTAP, CIRCULAR, BUSHING MOUNT
Switch Actuator Indexing Position Quantity4 SINGLE ACTUATOR
Switch Actuator Momentary PositionCOUNTERCLOCKWISE SINGLE ACTUATOR
Rotor Through Connection Quantity1 EACH SECTION
Nominal Thread Size0.469 INCHES SINGLE MOUNTING FACILITY IN
Flat Height0.214 INCHES NOMINAL SINGLE ACTUATOR IN
Thread Length0.470 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Shaft Diameter0.248 INCHES MINIMUM AND 0.251 INCHES MAXIMUM SINGLE ACTUATOR IN
Mounting MethodTHREADED BUSHING SINGLE MOUNTING FACILITY
Terminal TypeSCREW
First Flat Length0.375 INCHES NOMINAL SINGLE ACTUATOR IN
Individual Section Quantity4
Overall Diameter2.000 INCHES MAXIMUM IN
Switch Actuator Positioning Increment45.0 DEGREES SINGLE ACTUATOR
Switch Contact Basic DesignNONPILE-UP SYMMETRICAL
Thread Quantity Per Inch32 SINGLE MOUNTING FACILITY
Shaft TypeROUND, FLATTED SINGLE ACTUATOR
Contact Switching ActionBREAKS BEFORE MAKES EACH SECTION REAR
Nonturn Device Radius0.372 INCHES NOMINAL AT 6:00 OCLOCK IN
Contact Voltage Rating in Volts200.0 AC AT SEA LEVEL
Nonturn Device TypeTAB AT 6:00 OCLOCK
Thread Series DesignatorUNS SINGLE MOUNTING FACILITY
Switch Actuator Stop Device TypeFIXED STOP SINGLE ACTUATOR
Shaft Length0.500 INCHES NOMINAL SINGLE ACTUATOR IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5998-00-128-77451673 INTERCHANGEABLE
Circuit Card Assembly
Susquehanna Precision Inc Div N/a
4320-00-142-27971673-1001 INTERCHANGEABLE
Pump,rotary
Itt Jabsco Products
5330-00-383-8725855480 INTERCHANGEABLE
Gasket
Dana Off Highway Products, Llc
7640-00-629-8365 INTERCHANGEABLE
Globe,terrestrial
5945-00-636-88371227-24 INTERCHANGEABLE
Relay,electromagnetic
Stewart & Stevenson Power Products Llc
5815-00-732-0076 INTERCHANGEABLE
Clamp,lever
5340-00-741-856911077724-2 INTERCHANGEABLE
Ferrule,grooved Clamp Coupling
Us Army Aviation and Missile Command
5910-00-908-5498167-0003-001 INTERCHANGEABLE
Capacitor,variable,air Dielectri
Viking Technologies, Ltd.
5325-00-979-6886M1673 INTERCHANGEABLE
Ring,retaining
Aerosonic Llc
6130-01-069-81315C4034-1 INTERCHANGEABLE
Power Supply
Technical Services Laboratory, Inc. Dba Technical Services Laboratory Inc
Cross-Reference Index
Part NumberManufacturer
1673 PRIMARY Janco Corporation Dba Janco Corp Div Mason Controls (USA)
317240 Cae Inc (CAN)
Related Parts
5998-00-128-7745INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
1673
4320-00-142-2797INTERCHANGEABLE
PUMP,ROTARY
1673-1001
5330-00-383-8725INTERCHANGEABLE
GASKET
855480
7640-00-629-8365INTERCHANGEABLE
GLOBE,TERRESTRIAL
5945-00-636-8837INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
1227-24
5815-00-732-0076INTERCHANGEABLE
CLAMP,LEVER
5340-00-741-8569INTERCHANGEABLE
FERRULE,GROOVED CLAMP COUPLING
11077724-2
5910-00-908-5498INTERCHANGEABLE
CAPACITOR,VARIABLE,AIR DIELECTRI
167-0003-001
5325-00-979-6886INTERCHANGEABLE
RING,RETAINING
M1673
6130-01-069-8131INTERCHANGEABLE
POWER SUPPLY
5C4034-1
5962-01-113-2787INTERCHANGEABLE
MICROCIRCUIT,LINEAR
349-334-041
5930-01-218-9154INTERCHANGEABLE
MATRIX SWITCH

Frequently Asked Questions

What is NSN 5930-01-105-4540?

NSN 5930-01-105-4540 is a Switch,rotary, manufactured by Janco Corporation Dba Janco Corp Div Mason Controls, classified under FSC 5930 (No Item Name Available). Status: active.

What are the part numbers for NSN 5930-01-105-4540?

NSN 5930-01-105-4540 has 2 cross-referenced part numbers: 1673 (Janco Corporation Dba Janco Corp Div Mason Controls), 317240 (Cae Inc).

What NSN replaces 5930-01-105-4540?

There are 12 known substitutes for 5930-01-105-4540: 5998-00-128-7745, 4320-00-142-2797, 5330-00-383-8725 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1673?

Key specifications for 1673: Contact Load Current Rating: 2.0 AMPERES MOTOR LOAD AC AT SEA LEVEL; Style Designator: TAP, CIRCULAR, BUSHING MOUNT; Switch Actuator Indexing Position Quantity: 4 SINGLE ACTUATOR; Overall Length: 4.120 INCHES NOMINAL IN. 26 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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