PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A1777Switch,rotary

Thermo Electric Company Inc. Dba Thermo Electric Company · NSN 5930-00-434-3517 · FSC 5930 · No Item Name Available
Verified by PartsTable
NSN 5930-00-434-3517 — this item is cataloged by the U.S. Government under National Stock Number 5930-00-434-3517. Primary manufacturer part number: A1777.
Features
  • Switch,rotary — FSC 5930
  • Flat Height: 0.219 INCHES NOMINAL SINGLE ACTUATOR IN
  • Pole Quantity: 1 EACH SECTION FRONT
  • Contact Switching Action: BREAKS BEFORE MAKES EACH SECTION REAR
  • Throw Quantity: 3 EACH SECTION REAR
  • Style Designator: TAP, CIRCULAR, BUSHING MOUNT
  • Contact Voltage Rating in Volts: 115.0 AC AT SEA LEVEL
  • Shaft Length: 0.560 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 5930-00-434-3517, 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 Thermo Electric Company Inc. Dba Thermo Electric Company. Government technical data includes 29 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. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5930-00-434-3517
Primary Part NumberA1777
Item NameSwitch,rotary
FSC / FSG5930 / 59 — No Item Name Available
ManufacturerThermo Electric Company Inc. Dba Thermo Electric Company
StatusACTIVE
Flat Height0.219 INCHES NOMINAL SINGLE ACTUATOR IN
Pole Quantity1 EACH SECTION FRONT
Contact Switching ActionBREAKS BEFORE MAKES EACH SECTION REAR
Throw Quantity3 EACH SECTION REAR
Style DesignatorTAP, CIRCULAR, BUSHING MOUNT
Contact Voltage Rating in Volts115.0 AC AT SEA LEVEL
Shaft Length0.560 INCHES NOMINAL SINGLE ACTUATOR IN
First Flat Length0.250 INCHES NOMINAL SINGLE ACTUATOR IN
Switch Actuator Stop Device TypeFIXED STOP SINGLE ACTUATOR
Contact Load Current Rating1.0 AMPERES RESISTIVE LOAD DC AT SEA LEVEL
Switch Actuator Indexing Position Quantity3 SINGLE ACTUATOR
Terminal TypeTAB, SOLDER LUG
Shaft Diameter0.250 INCHES NOMINAL SINGLE ACTUATOR IN
Rotor Through Connection Quantity1 EACH SECTION
Nonturn Device TypeSLOTTED BUSHING AT 3:00 OCLOCK
Contact Load Current Rating1.0 AMPERES RESISTIVE LOAD AC AT SEA LEVEL
Switch Actuator Momentary PositionCLOCKWISE SINGLE ACTUATOR
Shaft Flat/slot Angular Location180.0 DEGREES FROM CONTACT POSITION 1 SINGLE ACTUATOR
Individual Section Quantity3
Thread Length0.250 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Nominal Thread Size0.375 INCHES SINGLE MOUNTING FACILITY IN
Switch Actuator Positioning Increment36.0 DEGREES SINGLE ACTUATOR
Switch Contact Basic DesignNONPILE-UP SYMMETRICAL
Overall Diameter1.000 INCHES NOMINAL IN
Thread Series DesignatorUNEF SINGLE MOUNTING FACILITY
Hazardous Locations/environmental ProtectionMOISTURE RESISTANT
Contact Voltage Rating in Volts28.0 DC AT SEA LEVEL
Mounting MethodTHREADED BUSHING SINGLE MOUNTING FACILITY
Shaft TypeROUND, FLATTED SINGLE ACTUATOR
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
3020-00-909-83201777 INTERCHANGEABLE
Gear Sector,bevel
Aerosonic Llc
5930-00-967-6600 INTERCHANGEABLE
Rotary Switch Secti
3120-01-067-3131D1119 PIECE 24 INTERCHANGEABLE
Bearing
Hunt Valve Company, Inc.
8455-01-336-6169 INTERCHANGEABLE
Insignia,shoulder Sleeve
8455-01-336-6170 INTERCHANGEABLE
Insignia,shoulder Sleeve
8455-01-528-8824 INTERCHANGEABLE
Insignia,shoulder Sleeve
8455-01-660-6646 INTERCHANGEABLE
Insignia,shoulder Sleeve
8455-01-716-6189 INTERCHANGEABLE
Insignia,shoulder Sleeve
Cross-Reference Index
Part NumberManufacturer
24YY2720-3 Grayhill Inc (USA)
A1777 PRIMARY Thermo Electric Company Inc. Dba Thermo Electric Company (USA)
24403-3N Grayhill Inc (USA)
Related Parts
3020-00-909-8320INTERCHANGEABLE
GEAR SECTOR,BEVEL
1777
5930-00-967-6600INTERCHANGEABLE
ROTARY SWITCH SECTI
3120-01-067-3131INTERCHANGEABLE
BEARING
D1119 PIECE 24
8455-01-336-6169INTERCHANGEABLE
INSIGNIA,SHOULDER SLEEVE
8455-01-336-6170INTERCHANGEABLE
INSIGNIA,SHOULDER SLEEVE
8455-01-528-8824INTERCHANGEABLE
INSIGNIA,SHOULDER SLEEVE
8455-01-660-6646INTERCHANGEABLE
INSIGNIA,SHOULDER SLEEVE
8455-01-716-6189INTERCHANGEABLE
INSIGNIA,SHOULDER SLEEVE

Frequently Asked Questions

What is NSN 5930-00-434-3517?

NSN 5930-00-434-3517 is a Switch,rotary, manufactured by Thermo Electric Company Inc. Dba Thermo Electric Company, classified under FSC 5930 (No Item Name Available). Status: active.

What are the part numbers for NSN 5930-00-434-3517?

NSN 5930-00-434-3517 has 3 cross-referenced part numbers: 24YY2720-3 (Grayhill Inc), A1777 (Thermo Electric Company Inc. Dba Thermo Electric Company), 24403-3N (Grayhill Inc).

What NSN replaces 5930-00-434-3517?

There are 8 known substitutes for 5930-00-434-3517: 3020-00-909-8320, 5930-00-967-6600, 3120-01-067-3131 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of A1777?

Key specifications for A1777: Flat Height: 0.219 INCHES NOMINAL SINGLE ACTUATOR IN; Pole Quantity: 1 EACH SECTION FRONT; Contact Switching Action: BREAKS BEFORE MAKES EACH SECTION REAR; Throw Quantity: 3 EACH SECTION REAR. 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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