PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

91669DH3XSwitch,rotary

Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch · NSN 5930-00-721-0420 · FSC 5930 · No Item Name Available
Verified by PartsTable
NSN 5930-00-721-0420 — this item is cataloged by the U.S. Government under National Stock Number 5930-00-721-0420. Primary manufacturer part number: 91669DH3X.
Features
  • Switch,rotary — FSC 5930
  • Pole Quantity: 4 EACH SECTION REAR
  • Switch Contact Basic Design: NONPILE-UP SYMMETRICAL
  • Shaft Length: 1.062 INCHES NOMINAL SINGLE ACTUATOR IN
  • Throw Quantity: 2 EACH SECTION REAR
  • Shaft Diameter: 0.250 INCHES NOMINAL SINGLE ACTUATOR IN
  • Individual Section Quantity: 3
  • Contact Switching Action: BREAKS BEFORE MAKES EACH SECTION REAR
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Switch,rotary, cataloged under National Stock Number 5930-00-721-0420, 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 Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch. Government technical data includes 17 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. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5930-00-721-0420
Primary Part Number91669DH3X
Item NameSwitch,rotary
FSC / FSG5930 / 59 — No Item Name Available
ManufacturerElectro Switch Corp. Dba Oak Grisgsby Div Electroswitch
StatusACTIVE
Pole Quantity4 EACH SECTION REAR
Switch Contact Basic DesignNONPILE-UP SYMMETRICAL
Shaft Length1.062 INCHES NOMINAL SINGLE ACTUATOR IN
Throw Quantity2 EACH SECTION REAR
Shaft Diameter0.250 INCHES NOMINAL SINGLE ACTUATOR IN
Individual Section Quantity3
Contact Switching ActionBREAKS BEFORE MAKES EACH SECTION REAR
Thread Series DesignatorUNEF SINGLE MOUNTING FACILITY
Nominal Thread Size0.375 INCHES SINGLE MOUNTING FACILITY IN
First Flat Length0.500 INCHES NOMINAL SINGLE ACTUATOR IN
Thread Length0.375 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Switch Actuator Indexing Position Quantity2 SINGLE ACTUATOR
Flat Height0.219 INCHES NOMINAL SINGLE ACTUATOR IN
Terminal TypeTAB, SOLDER LUG
Mounting MethodTHREADED BUSHING SINGLE MOUNTING FACILITY
Switch Actuator Positioning Increment30.0 DEGREES SINGLE ACTUATOR
Shaft TypeROUND, FLATTED SINGLE ACTUATOR
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
9540-00-006-4970 INTERCHANGEABLE
Angle,structural
5340-00-468-0156390010PC534 INTERCHANGEABLE
Cap,protective,dust and Moisture
Naval Sea Systems Command
4720-00-848-436320534 INTERCHANGEABLE
Hose,preformed
Gates Corporation
4820-01-229-551320534 INTERCHANGEABLE
Seat,valve
Real-Time Laboratories, Llc
4810-01-314-881120534 INTERCHANGEABLE
Valve,solenoid
United States Department of the Navy Dba Naval Surface Warfare Center Panama City
3110-01-524-6070G20534 INTERCHANGEABLE
Bearing,roller,tapered
National Oilwell Varco Inc Dba National Oilwell
Cross-Reference Index
Part NumberManufacturer
20534 Whittaker Corp Whittaker Electronic Systems Div (USA)
91669DH3X PRIMARY Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch (USA)
191669DH3X Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch (USA)
Related Parts
9540-00-006-4970INTERCHANGEABLE
ANGLE,STRUCTURAL
5340-00-468-0156INTERCHANGEABLE
CAP,PROTECTIVE,DUST AND MOISTURE
390010PC534
4720-00-848-4363INTERCHANGEABLE
HOSE,PREFORMED
20534
4820-01-229-5513INTERCHANGEABLE
SEAT,VALVE
20534
4810-01-314-8811INTERCHANGEABLE
VALVE,SOLENOID
20534
3110-01-524-6070INTERCHANGEABLE
BEARING,ROLLER,TAPERED
G20534

Frequently Asked Questions

What is NSN 5930-00-721-0420?

NSN 5930-00-721-0420 is a Switch,rotary, manufactured by Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch, classified under FSC 5930 (No Item Name Available). Status: active.

What are the part numbers for NSN 5930-00-721-0420?

NSN 5930-00-721-0420 has 3 cross-referenced part numbers: 20534 (Whittaker Corp Whittaker Electronic Systems Div), 91669DH3X (Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch), 191669DH3X (Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch).

What NSN replaces 5930-00-721-0420?

There are 6 known substitutes for 5930-00-721-0420: 9540-00-006-4970, 5340-00-468-0156, 4720-00-848-4363 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 91669DH3X?

Key specifications for 91669DH3X: Pole Quantity: 4 EACH SECTION REAR; Switch Contact Basic Design: NONPILE-UP SYMMETRICAL; Shaft Length: 1.062 INCHES NOMINAL SINGLE ACTUATOR IN; Throw Quantity: 2 EACH SECTION REAR. 17 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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