PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

89782DH1XSwitch,rotary

Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch · NSN 5930-00-721-0421 · FSC 5930 · No Item Name Available
Verified by PartsTable
NSN 5930-00-721-0421 — this item is cataloged by the U.S. Government under National Stock Number 5930-00-721-0421. Primary manufacturer part number: 89782DH1X.
Features
  • Switch,rotary — FSC 5930
  • Shaft Type: ROUND, FLATTED SINGLE ACTUATOR
  • Contact Switching Action: MAKES BEFORE BREAKS SINGLE SECTION REAR
  • Thread Series Designator: UNEF SINGLE MOUNTING FACILITY
  • Flat Height: 0.219 INCHES NOMINAL SINGLE ACTUATOR IN
  • Switch Contact Basic Design: NONPILE-UP SYMMETRICAL
  • Switch Actuator Positioning Increment: 60.0 DEGREES SINGLE ACTUATOR
  • Nominal Thread Size: 0.375 INCHES SINGLE MOUNTING FACILITY IN
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Switch,rotary, cataloged under National Stock Number 5930-00-721-0421, 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5930-00-721-0421
Primary Part Number89782DH1X
Item NameSwitch,rotary
FSC / FSG5930 / 59 — No Item Name Available
ManufacturerElectro Switch Corp. Dba Oak Grisgsby Div Electroswitch
StatusACTIVE
Shaft TypeROUND, FLATTED SINGLE ACTUATOR
Contact Switching ActionMAKES BEFORE BREAKS SINGLE SECTION REAR
Thread Series DesignatorUNEF SINGLE MOUNTING FACILITY
Flat Height0.219 INCHES NOMINAL SINGLE ACTUATOR IN
Switch Contact Basic DesignNONPILE-UP SYMMETRICAL
Switch Actuator Positioning Increment60.0 DEGREES SINGLE ACTUATOR
Nominal Thread Size0.375 INCHES SINGLE MOUNTING FACILITY IN
Throw Quantity2 SINGLE SECTION REAR
Terminal TypeTAB, SOLDER LUG
Shaft Diameter0.250 INCHES NOMINAL SINGLE ACTUATOR IN
Mounting MethodTHREADED BUSHING SINGLE MOUNTING FACILITY
First Flat Length0.500 INCHES NOMINAL SINGLE ACTUATOR IN
Shaft Length1.062 INCHES NOMINAL SINGLE ACTUATOR IN
Switch Actuator Indexing Position Quantity2 SINGLE ACTUATOR
Thread Length0.375 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Individual Section Quantity1
Pole Quantity2 SINGLE SECTION REAR
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
4710-00-571-7597 INTERCHANGEABLE
Tube,inconel
3820-00-997-445220497-A INTERCHANGEABLE
Reducer Assembly,ge
Eagle Crusher Co Inc Dba Stedman Machine Co
5950-01-416-82477137812-0001 INTERCHANGEABLE
Reactor
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
5315-01-429-987420-497 INTERCHANGEABLE
Pin,shoulder,headless
Cmbf, Llc Dba Cmbf Llc
4720-01-657-637320497 INTERCHANGEABLE
Hose Assembly,nonmetallic
Stanley Black & Decker, Inc. Dba Stanley Hydraulic Tools Div Stanley Hydraulic Tools
Cross-Reference Index
Part NumberManufacturer
89782DH1X PRIMARY Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch (USA)
20497 Whittaker Corp Whittaker Electronic Systems Div (USA)
189782DH1X Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch (USA)
Related Parts
4710-00-571-7597INTERCHANGEABLE
TUBE,INCONEL
3820-00-997-4452INTERCHANGEABLE
REDUCER ASSEMBLY,GE
20497-A
5950-01-416-8247INTERCHANGEABLE
REACTOR
7137812-0001
5315-01-429-9874INTERCHANGEABLE
PIN,SHOULDER,HEADLESS
20-497
4720-01-657-6373INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
20497

Frequently Asked Questions

What is NSN 5930-00-721-0421?

NSN 5930-00-721-0421 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 5930-00-721-0421?

NSN 5930-00-721-0421 has 3 cross-referenced part numbers: 89782DH1X (Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch), 20497 (Whittaker Corp Whittaker Electronic Systems Div), 189782DH1X (Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch).

What NSN replaces 5930-00-721-0421?

There are 5 known substitutes for 5930-00-721-0421: 4710-00-571-7597, 3820-00-997-4452, 5950-01-416-8247 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 89782DH1X?

Key specifications for 89782DH1X: Shaft Type: ROUND, FLATTED SINGLE ACTUATOR; Contact Switching Action: MAKES BEFORE BREAKS SINGLE SECTION REAR; Thread Series Designator: UNEF SINGLE MOUNTING FACILITY; Flat Height: 0.219 INCHES NOMINAL SINGLE ACTUATOR IN. 18 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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