PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

N287-2Switching Unit,power Transfer

Ward Leonard Ct Llc · NSN 6110-00-728-0680 · FSC 6110 · No Item Name Available
Verified by PartsTable
NSN 6110-00-728-0680 — this item is cataloged by the U.S. Government under National Stock Number 6110-00-728-0680. Primary manufacturer part number: N287-2.
Features
  • Switching Unit,power Transfer — FSC 6110
  • Switch Position Quantity: 2
  • Phase: THREE
  • Switch Off Position: NOT INCLUDED
  • Enclosure Feature: DRIPPROOF
  • Voltage in Volts: 450.0
  • Switch Operation Method: MOTOR DRIVEN
  • Frequency Rating: 60.0 HERTZ NOMINAL
Applications
  • Electrical power distribution
  • Generator and power systems
  • Industrial motor installations
General Description

The Switching Unit,power Transfer, cataloged under National Stock Number 6110-00-728-0680, is classified within Federal Supply Class 6110 (No Item Name Available) of the Electric Wire, Power, and Distribution Equipment group. The primary manufacturer of record is Ward Leonard Ct Llc. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN6110-00-728-0680
Primary Part NumberN287-2
Item NameSwitching Unit,power Transfer
FSC / FSG6110 / 61 — No Item Name Available
ManufacturerWard Leonard Ct Llc
StatusACTIVE
Switch Position Quantity2
PhaseTHREE
Switch Off PositionNOT INCLUDED
Enclosure FeatureDRIPPROOF
Voltage in Volts450.0
Switch Operation MethodMOTOR DRIVEN
Frequency Rating60.0 HERTZ NOMINAL
Nondefinitive Spec/std DataABT-A2 TYPE
Switch Action TypeMAGNETIC CONTACTOR
Mounting ConfigurationFOUR 0.531 IN. DIA MTG HOLES,ON 16.500 IN. BY 6.063 IN. MTG CENTERS IN
Switch Pole Quantity3
Manual Operation FacilityPROVIDED
Current Rating in Amps50.0
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Unit of IssueEA
Verified Substitutes 7
6110-00-401-998482-152 INTERCHANGEABLE
Switching Unit,power Transfer
Asco Power Technologies, L..p.
6110-00-635-759337-700 INTERCHANGEABLE
Switching Unit,power Transfer
Asco Power Technologies, L..p.
5975-00-963-794717778 INTERCHANGEABLE
Collar,boot Support
West American Rubber Co Stoner Rubber Co Div
6110-01-231-2073 INTERCHANGEABLE
Switching Unit,power Transfer
5330-01-395-480317778 INTERCHANGEABLE
Gasket
Westerbeke Corporation
5905-01-396-93160177780002 INTERCHANGEABLE
Resistor,fixed,film
Riimic, Llc Dba Sunair Electronics
4520-01-699-322517778 INTERCHANGEABLE
Heater,water,electric
The Electric Heater Co Dba Hubbell Electric Heater Co.
Cross-Reference Index
Part NumberManufacturer
21369-765 Ward Leonard Ct Llc (USA)
22400-136 Ward Leonard Ct Llc (USA)
MILS17773 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
17778 Ward Leonard Ct Llc (USA)
N287-2 PRIMARY Ward Leonard Ct Llc (USA)
17878.12-1 Ward Leonard Ct Llc (USA)
Related Parts
6110-00-401-9984INTERCHANGEABLE
SWITCHING UNIT,POWER TRANSFER
82-152
6110-00-635-7593INTERCHANGEABLE
SWITCHING UNIT,POWER TRANSFER
37-700
5975-00-963-7947INTERCHANGEABLE
COLLAR,BOOT SUPPORT
17778
6110-01-231-2073INTERCHANGEABLE
SWITCHING UNIT,POWER TRANSFER
5330-01-395-4803INTERCHANGEABLE
GASKET
17778
5905-01-396-9316INTERCHANGEABLE
RESISTOR,FIXED,FILM
0177780002
4520-01-699-3225INTERCHANGEABLE
HEATER,WATER,ELECTRIC
17778

Frequently Asked Questions

What is NSN 6110-00-728-0680?

NSN 6110-00-728-0680 is a Switching Unit,power Transfer, manufactured by Ward Leonard Ct Llc, classified under FSC 6110 (No Item Name Available). Status: active.

What are the part numbers for NSN 6110-00-728-0680?

NSN 6110-00-728-0680 has 6 cross-referenced part numbers: 21369-765 (Ward Leonard Ct Llc), 22400-136 (Ward Leonard Ct Llc), MILS17773 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 17778 (Ward Leonard Ct Llc), N287-2 (Ward Leonard Ct Llc) and 1 more.

What NSN replaces 6110-00-728-0680?

There are 7 known substitutes for 6110-00-728-0680: 6110-00-401-9984, 6110-00-635-7593, 5975-00-963-7947 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of N287-2?

Key specifications for N287-2: Switch Position Quantity: 2; Phase: THREE; Switch Off Position: NOT INCLUDED; Overall Depth: 13.625 INCHES NOMINAL IN. 16 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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