PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

249-021Coil Kit,transfer Switch

Asco Power Services Inc Dba Asco Emergency Power Maintenance Incorporated · NSN 6110-01-003-2524 · FSC 6110 · No Item Name Available
Verified by PartsTable
NSN 6110-01-003-2524 — this item is cataloged by the U.S. Government under National Stock Number 6110-01-003-2524. Primary manufacturer part number: 249-021.
Features
  • Coil Kit,transfer Switch — FSC 6110
  • General Characteristics Item Description: CONSISTS OF 1 EA. COIL 208-240 VAC 60 HZ PART NO. 247-843-L,L EA. RETAINING RING PART NO. 34-885-50W,1 EA. CORE SPRING PART NO. 247-718,1 EA. CORE TUBE PART NO. 109-119,1 EA. STUB CORE PART NO. 109-121,FOR REPAIR OF AUTOMATIC TRANSFER SWITCH CO. CATALOG NO. 302A509 TRANSFER SWITCH VAC
  • 2 verified cross-references
  • Primary manufacturer: Asco Power Services Inc Dba Asco Emergency Power Maintenance Incorporated
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Coil Kit,transfer Switch, cataloged under National Stock Number 6110-01-003-2524, 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 Asco Power Services Inc Dba Asco Emergency Power Maintenance Incorporated. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN6110-01-003-2524
Primary Part Number249-021
Item NameCoil Kit,transfer Switch
FSC / FSG6110 / 61 — No Item Name Available
ManufacturerAsco Power Services Inc Dba Asco Emergency Power Maintenance Incorporated
StatusACTIVE
General Characteristics Item DescriptionCONSISTS OF 1 EA. COIL 208-240 VAC 60 HZ PART NO. 247-843-L,L EA. RETAINING RING PART NO. 34-885-50W,1 EA. CORE SPRING PART NO. 247-718,1 EA. CORE TUBE PART NO. 109-119,1 EA. STUB CORE PART NO. 109-121,FOR REPAIR OF AUTOMATIC TRANSFER SWITCH CO. CATALOG NO. 302A509 TRANSFER SWITCH VAC
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Unit of IssueEA
Verified Substitutes 4
1630-01-036-9987249021 INTERCHANGEABLE
Seat,brake
Valcor Engineering Corporation
5905-01-105-8415CW-2B 33 OHMS 5% INTERCHANGEABLE
Resistor,fixed,wire Wound
Vishay Dale Electronics, Llc Div Vishay Americas
5905-01-169-0044 INTERCHANGEABLE
Resistor,fixed,wire Wound,induct
4710-01-186-3776S-460 INTERCHANGEABLE
Tube Assembly,metal
Danfoss Power Solutions II, Llc
Cross-Reference Index
Part NumberManufacturer
249-021 PRIMARY Asco Power Services Inc Dba Asco Emergency Power Maintenance Incorporated (USA)
249-021 Automatic Switch Company Dba Asco (USA)
Related Parts
1630-01-036-9987INTERCHANGEABLE
SEAT,BRAKE
249021
5905-01-105-8415INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND
CW-2B 33 OHMS 5%
5905-01-169-0044INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND,INDUCT
4710-01-186-3776INTERCHANGEABLE
TUBE ASSEMBLY,METAL
S-460

Frequently Asked Questions

What is NSN 6110-01-003-2524?

NSN 6110-01-003-2524 is a Coil Kit,transfer Switch, manufactured by Asco Power Services Inc Dba Asco Emergency Power Maintenance Incorporated, classified under FSC 6110 (No Item Name Available). Status: active.

What are the part numbers for NSN 6110-01-003-2524?

NSN 6110-01-003-2524 has 2 cross-referenced part numbers: 249-021 (Asco Power Services Inc Dba Asco Emergency Power Maintenance Incorporated), 249-021 (Automatic Switch Company Dba Asco).

What NSN replaces 6110-01-003-2524?

There are 4 known substitutes for 6110-01-003-2524: 1630-01-036-9987, 5905-01-105-8415, 5905-01-169-0044 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 249-021?

Key specifications for 249-021: General Characteristics Item Description: CONSISTS OF 1 EA. COIL 208-240 VAC 60 HZ PART NO. 247-843-L,L EA. RETAINING RING PART NO. 34-885-50W,1 EA. CORE SPRING PART NO. 247-718,1 EA. CORE TUBE PART NO. 109-119,1 EA. STUB CORE PART NO. 109-121,FOR REPAIR OF AUTOMATIC TRANSFER SWITCH CO. CATALOG NO. 302A509 TRANSFER SWITCH VAC. 1 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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