PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

ESR350Switch,rotary

Mission Systems Davenport Inc. · NSN 5930-00-421-2428 · FSC 5930 · No Item Name Available
Verified by PartsTable
NSN 5930-00-421-2428 — this item is cataloged by the U.S. Government under National Stock Number 5930-00-421-2428. Primary manufacturer part number: ESR350.
Features
  • Switch,rotary — FSC 5930
  • Throw Quantity: 6 EACH SECTION REAR
  • Individual Section Quantity: 3
  • Operating Temp Range: -65.0 TO 125.0 CELSIUS DEGC
  • Overall Diameter: 1.500 INCHES MAXIMUM IN
  • Switch Contact Basic Design: NONPILE-UP SYMMETRICAL
  • Contact Switching Action: BREAKS BEFORE MAKES EACH SECTION REAR
  • Contact Load Current Rating: 225.0 MILLIAMPERES RESISTIVE LOAD LOWEST AC VOLTAGE RATING AT SEA LEVEL
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Switch,rotary, cataloged under National Stock Number 5930-00-421-2428, 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 Mission Systems Davenport Inc.. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, 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
NSN5930-00-421-2428
Primary Part NumberESR350
Item NameSwitch,rotary
FSC / FSG5930 / 59 — No Item Name Available
ManufacturerMission Systems Davenport Inc.
StatusACTIVE
Throw Quantity6 EACH SECTION REAR
Individual Section Quantity3
Operating Temp Range-65.0 TO 125.0 CELSIUS DEGC
Overall Diameter1.500 INCHES MAXIMUM IN
Switch Contact Basic DesignNONPILE-UP SYMMETRICAL
Contact Switching ActionBREAKS BEFORE MAKES EACH SECTION REAR
Contact Load Current Rating225.0 MILLIAMPERES RESISTIVE LOAD LOWEST AC VOLTAGE RATING AT SEA LEVEL
Style DesignatorCIRCULAR WAFER, BUSHING MOUNT
Contact Load Current Rating500.0 MILLIAMPERES RESISTIVE LOAD AND 50.0 MILLIAMPERES INDUCTIVE LOAD DC AT SEA LEVEL
Contact Load Current Rating50.0 MILLIAMPERES RESISTIVE LOAD HIGHEST AC VOLTAGE RATING AT SEA LEVEL
Pole Quantity2 EACH SECTION FRONT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
9540-00-197-9866 INTERCHANGEABLE
Channel,structural
5970-00-556-54622644 INTERCHANGEABLE
Insulator,standoff
Halsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron
5915-01-058-1323 INTERCHANGEABLE
Filter,low Pass
5998-01-117-57272644 INTERCHANGEABLE
Circuit Card Assembly
Analog Devices Inc Div Greensboro Site
4240-01-152-35555590T71 INTERCHANGEABLE
Mask,air Filtering
Mcmaster-Carr Supply Co
5340-01-354-59332644 INTERCHANGEABLE
Button,plug
Heyco Inc Dba Heyco Products
5136-01-431-6120 INTERCHANGEABLE
Tap Set,thread Cutting
Cross-Reference Index
Part NumberManufacturer
ESR350 PRIMARY Mission Systems Davenport Inc. (USA)
2644 Mission Systems Davenport Inc. (USA)
Related Parts
9540-00-197-9866INTERCHANGEABLE
CHANNEL,STRUCTURAL
5970-00-556-5462INTERCHANGEABLE
INSULATOR,STANDOFF
2644
5915-01-058-1323INTERCHANGEABLE
FILTER,LOW PASS
5998-01-117-5727INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
2644
4240-01-152-3555INTERCHANGEABLE
MASK,AIR FILTERING
5590T71
5340-01-354-5933INTERCHANGEABLE
BUTTON,PLUG
2644
5136-01-431-6120INTERCHANGEABLE
TAP SET,THREAD CUTTING

Frequently Asked Questions

What is NSN 5930-00-421-2428?

NSN 5930-00-421-2428 is a Switch,rotary, manufactured by Mission Systems Davenport Inc., classified under FSC 5930 (No Item Name Available). Status: active.

What are the part numbers for NSN 5930-00-421-2428?

NSN 5930-00-421-2428 has 2 cross-referenced part numbers: ESR350 (Mission Systems Davenport Inc.), 2644 (Mission Systems Davenport Inc.).

What NSN replaces 5930-00-421-2428?

There are 7 known substitutes for 5930-00-421-2428: 9540-00-197-9866, 5970-00-556-5462, 5915-01-058-1323 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of ESR350?

Key specifications for ESR350: Overall Length: 3.910 INCHES MAXIMUM IN; Throw Quantity: 6 EACH SECTION REAR; Individual Section Quantity: 3; Operating Temp Range: -65.0 TO 125.0 CELSIUS DEGC. 12 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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