PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

6278Switch,rotary

Bryant Electric · NSN 5930-00-334-8925 · FSC 5930 · No Item Name Available
Verified by PartsTable
NSN 5930-00-334-8925 — this item is cataloged by the U.S. Government under National Stock Number 5930-00-334-8925. Primary manufacturer part number: 6278.
Features
  • Switch,rotary — FSC 5930
  • Hazardous Locations/environmental Protection: DUSTPROOF
  • Shaft Diameter: 0.188 INCHES NOMINAL SINGLE ACTUATOR IN
  • Contact Load Current Rating: 10.0 AMPERES RESISTIVE LOAD DC AT SEA LEVEL
  • Pole Quantity: 2 EACH SECTION FRONT
  • Switch Contact Basic Design: NONPILE-UP SYMMETRICAL
  • Overall Diameter: 2.812 INCHES NOMINAL IN
  • Switch Actuator Indexing Position Quantity: 4 SINGLE ACTUATOR
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Switch,rotary, cataloged under National Stock Number 5930-00-334-8925, 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 Bryant Electric. Government technical data includes 22 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5930-00-334-8925
Primary Part Number6278
Item NameSwitch,rotary
FSC / FSG5930 / 59 — No Item Name Available
ManufacturerBryant Electric
StatusACTIVE
Hazardous Locations/environmental ProtectionDUSTPROOF
Shaft Diameter0.188 INCHES NOMINAL SINGLE ACTUATOR IN
Contact Load Current Rating10.0 AMPERES RESISTIVE LOAD DC AT SEA LEVEL
Pole Quantity2 EACH SECTION FRONT
Switch Contact Basic DesignNONPILE-UP SYMMETRICAL
Overall Diameter2.812 INCHES NOMINAL IN
Switch Actuator Indexing Position Quantity4 SINGLE ACTUATOR
Throw Quantity3 EACH SECTION FRONT
Switch Actuator Positioning Increment90.0 DEGREES SINGLE ACTUATOR
Contact Voltage Rating in Volts125.0 AC AT SEA LEVEL
Shaft Length0.875 INCHES NOMINAL SINGLE ACTUATOR IN
Mounting Facility PatternTWO POSITION IN-LINE SINGLE MOUNTING FACILITY
Longest Horizontal Distance Between Mounting Centers1.650 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Individual Section Quantity2
Contact Switching ActionBREAKS BEFORE MAKES EACH SECTION FRONT
Terminal TypeTAB, SOLDER LUG
Contact Load Current Rating20.0 AMPERES RESISTIVE LOAD AC AT SEA LEVEL
Features ProvidedACTUATOR KNOB
Mounting MethodBASE SINGLE MOUNTING FACILITY
Shaft TypeROUND SINGLE ACTUATOR
Style DesignatorSNAP OR LINE
Contact Voltage Rating in Volts250.0 DC AT SEA LEVEL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5315-00-044-32304 INTERCHANGEABLE
Pin,grooved,headless
Groov-Pin Corp
3110-00-100-057836300 INTERCHANGEABLE
Cup,tapered Roller Bearing
The Timken Corporation
4930-00-141-825812Z8012-1 INTERCHANGEABLE
Adapter,grease Gun Coupling
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5315-00-276-48979732 INTERCHANGEABLE
Pin,grooved,headless
Cummins Inc.
4510-00-287-1580 INTERCHANGEABLE
Drain,lavatory
5310-00-298-3880BP114084 INTERCHANGEABLE
Washer,flat
Melstrom Manufacturing Corporation
5330-00-534-42329732A INTERCHANGEABLE
Gasket
Itt Aerospace Controls Llc Dba Itt Aerospace Controls Unit S
5920-00-761-5894SM-C-589162 INTERCHANGEABLE
Fuseholder,extractor Post
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
4030-00-794-1724 INTERCHANGEABLE
Guy Clip
5960-00-821-6690 INTERCHANGEABLE
Electron Tube
Cross-Reference Index
Part NumberManufacturer
6278 Bryant Electric (USA)
9732 Cooper Industries Inc Cooper Distribution Equipment Div (USA)
612801 Lockheed Martin Corp (USA)
Related Parts
5315-00-044-3230INTERCHANGEABLE
PIN,GROOVED,HEADLESS
4
3110-00-100-0578INTERCHANGEABLE
CUP,TAPERED ROLLER BEARING
36300
4930-00-141-8258INTERCHANGEABLE
ADAPTER,GREASE GUN COUPLING
12Z8012-1
5315-00-276-4897INTERCHANGEABLE
PIN,GROOVED,HEADLESS
9732
4510-00-287-1580INTERCHANGEABLE
DRAIN,LAVATORY
5310-00-298-3880INTERCHANGEABLE
WASHER,FLAT
BP114084
5330-00-534-4232INTERCHANGEABLE
GASKET
9732A
5920-00-761-5894INTERCHANGEABLE
FUSEHOLDER,EXTRACTOR POST
SM-C-589162
4030-00-794-1724INTERCHANGEABLE
GUY CLIP
5960-00-821-6690INTERCHANGEABLE
ELECTRON TUBE
5895-01-057-2249INTERCHANGEABLE
MODEM SUBASSEMBLY
9732
5120-01-082-6447INTERCHANGEABLE
INSERTER AND REMOVER,BEARING AND
6278

Frequently Asked Questions

What is NSN 5930-00-334-8925?

NSN 5930-00-334-8925 is a Switch,rotary, manufactured by Bryant Electric, classified under FSC 5930 (No Item Name Available). Status: active.

What are the part numbers for NSN 5930-00-334-8925?

NSN 5930-00-334-8925 has 3 cross-referenced part numbers: 6278 (Bryant Electric), 9732 (Cooper Industries Inc Cooper Distribution Equipment Div), 612801 (Lockheed Martin Corp).

What NSN replaces 5930-00-334-8925?

There are 12 known substitutes for 5930-00-334-8925: 5315-00-044-3230, 3110-00-100-0578, 4930-00-141-8258 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 6278?

Key specifications for 6278: Overall Length: 2.611 INCHES NOMINAL IN; Hazardous Locations/environmental Protection: DUSTPROOF; Shaft Diameter: 0.188 INCHES NOMINAL SINGLE ACTUATOR IN; Contact Load Current Rating: 10.0 AMPERES RESISTIVE LOAD DC AT SEA LEVEL. 23 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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