PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4989Switch,lever

Dover Corp Elevator Div · NSN 5930-00-548-7978 · FSC 5930 · No Item Name Available
Verified by PartsTable
NSN 5930-00-548-7978 — this item is cataloged by the U.S. Government under National Stock Number 5930-00-548-7978. Primary manufacturer part number: 4989.
Features
  • Switch,lever — FSC 5930
  • Hazardous Locations/environmental Protection: DUSTPROOF
  • Inclosure Type: UNINCLOSED
  • Terminal Type and Quantity: 4 SCREW
  • Nonpile-Up Contact Arrangement: 2 POLE, SINGLE THROW, DOUBLE MAKE, BOTH POSITIONS MAINTAINED SINGLE SWITCH UNIT
  • Mounting Method: PANEL
  • 2 verified cross-references
  • Primary manufacturer: Dover Corp Elevator Div
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Switch,lever, cataloged under National Stock Number 5930-00-548-7978, 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 Dover Corp Elevator Div. Government technical data includes 5 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. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5930-00-548-7978
Primary Part Number4989
Item NameSwitch,lever
FSC / FSG5930 / 59 — No Item Name Available
ManufacturerDover Corp Elevator Div
StatusACTIVE
Hazardous Locations/environmental ProtectionDUSTPROOF
Inclosure TypeUNINCLOSED
Terminal Type and Quantity4 SCREW
Nonpile-Up Contact Arrangement2 POLE, SINGLE THROW, DOUBLE MAKE, BOTH POSITIONS MAINTAINED SINGLE SWITCH UNIT
Mounting MethodPANEL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
3110-00-100-0606 INTERCHANGEABLE
Cup,tapered Roller Bearing
5950-00-234-433251A502 INTERCHANGEABLE
Coil,radio Frequency
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple
5930-00-978-9008 INTERCHANGEABLE
Switch,sensitive
4820-01-109-9938 INTERCHANGEABLE
Valve,exhaust Control
5930-01-416-347465320 INTERCHANGEABLE
Duplicator Machine,
Ticonium Co Div Cmp Industries Inc
5930-01-501-90014989 INTERCHANGEABLE
Switch,push
Amw Cuyuna Engine Co. Inc Dba Two Stroke International
6510-01-530-54534989 INTERCHANGEABLE
Dressing,occlusive,adhesive
Smith & Nephew Inc. Dba Smith and Nephew Wound and Mgt Div Wound Management
6515-01-555-8587CH2520 INTERCHANGEABLE
Holder,suture Needle
Cardinal Health 200, Llc
Cross-Reference Index
Part NumberManufacturer
4989 Dover Corp Elevator Div (USA)
65320 Dover Corp Elevator Div (USA)
Related Parts
3110-00-100-0606INTERCHANGEABLE
CUP,TAPERED ROLLER BEARING
5950-00-234-4332INTERCHANGEABLE
COIL,RADIO FREQUENCY
51A502
5930-00-978-9008INTERCHANGEABLE
SWITCH,SENSITIVE
4820-01-109-9938INTERCHANGEABLE
VALVE,EXHAUST CONTROL
5930-01-416-3474INTERCHANGEABLE
DUPLICATOR MACHINE,
65320
5930-01-501-9001INTERCHANGEABLE
SWITCH,PUSH
4989
6510-01-530-5453INTERCHANGEABLE
DRESSING,OCCLUSIVE,ADHESIVE
4989
6515-01-555-8587INTERCHANGEABLE
HOLDER,SUTURE NEEDLE
CH2520

Frequently Asked Questions

What is NSN 5930-00-548-7978?

NSN 5930-00-548-7978 is a Switch,lever, manufactured by Dover Corp Elevator Div, classified under FSC 5930 (No Item Name Available). Status: active.

What are the part numbers for NSN 5930-00-548-7978?

NSN 5930-00-548-7978 has 2 cross-referenced part numbers: 4989 (Dover Corp Elevator Div), 65320 (Dover Corp Elevator Div).

What NSN replaces 5930-00-548-7978?

There are 8 known substitutes for 5930-00-548-7978: 3110-00-100-0606, 5950-00-234-4332, 5930-00-978-9008 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4989?

Key specifications for 4989: Hazardous Locations/environmental Protection: DUSTPROOF; Inclosure Type: UNINCLOSED; Terminal Type and Quantity: 4 SCREW; Nonpile-Up Contact Arrangement: 2 POLE, SINGLE THROW, DOUBLE MAKE, BOTH POSITIONS MAINTAINED SINGLE SWITCH UNIT. 5 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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