PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

70-903Contactor,magnetic

Rockwell Automation, Inc. Dba Rockwell Automation · NSN 6110-01-492-1588 · FSC 6110 · No Item Name Available
Verified by PartsTable
NSN 6110-01-492-1588 — this item is cataloged by the U.S. Government under National Stock Number 6110-01-492-1588. Primary manufacturer part number: 70-903.
Features
  • Contactor,magnetic — FSC 6110
  • 3 verified cross-references
  • Primary manufacturer: Rockwell Automation, Inc. Dba Rockwell Automation
Applications
  • Electrical power distribution
  • Generator and power systems
  • Industrial motor installations
General Description

The Contactor,magnetic, cataloged under National Stock Number 6110-01-492-1588, 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 Rockwell Automation, Inc. Dba Rockwell Automation. This item has 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN6110-01-492-1588
Primary Part Number70-903
Item NameContactor,magnetic
FSC / FSG6110 / 61 — No Item Name Available
ManufacturerRockwell Automation, Inc. Dba Rockwell Automation
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Unit of IssueEA
Verified Substitutes 10
5945-00-272-4163 INTERCHANGEABLE
Relay,electromagnetic
4720-00-613-7307100R2TYPEAT1 INTERCHANGEABLE
Hose,nonmetallic
Sae International Dba Sae International
5945-00-718-492912463235 INTERCHANGEABLE
Relay,electromagnetic
U S Army Tank Automotive Command Amsta-Im-Mm
5945-00-855-747888-22202 INTERCHANGEABLE
Relay,electromagnetic
Department of Defense Project Manager-Mobile Electric Power
4820-01-352-2306R17237 INTERCHANGEABLE
Valve,calibrated Flow
Manitou North America Inc
4820-01-440-781270-903-01 INTERCHANGEABLE
Valve,ball
Aalberts Integrated Piping Systems Americas, Inc.
5975-01-490-6101M-304443-M0 INTERCHANGEABLE
Junction Box
Rockwell Automation, Inc. Dba Rockwell Automation
5945-01-490-610770-903 INTERCHANGEABLE
Relay Assembly
Emerson Electric Co White Rodgers Co Div
4820-01-694-2556709-03 INTERCHANGEABLE
Seat,valve
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
7510-01-721-931770903 INTERCHANGEABLE
Ink,marking Stencil
Grainger W W Inc Grainger Div
Cross-Reference Index
Part NumberManufacturer
M-304443-M0 Rockwell Automation, Inc. Dba Rockwell Automation (USA)
70-903 PRIMARY Rockwell Automation, Inc. Dba Rockwell Automation (USA)
M-304443-M0 ITEM 11 Rockwell Automation, Inc. Dba Rockwell Automation (USA)
Related Parts
5945-00-272-4163INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
4720-00-613-7307INTERCHANGEABLE
HOSE,NONMETALLIC
100R2TYPEAT1
5945-00-718-4929INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
12463235
5945-00-855-7478INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
88-22202
4820-01-352-2306INTERCHANGEABLE
VALVE,CALIBRATED FLOW
R17237
4820-01-440-7812INTERCHANGEABLE
VALVE,BALL
70-903-01
5975-01-490-6101INTERCHANGEABLE
JUNCTION BOX
M-304443-M0
5945-01-490-6107INTERCHANGEABLE
RELAY ASSEMBLY
70-903
4820-01-694-2556INTERCHANGEABLE
SEAT,VALVE
709-03
7510-01-721-9317INTERCHANGEABLE
INK,MARKING STENCIL
70903

Frequently Asked Questions

What is NSN 6110-01-492-1588?

NSN 6110-01-492-1588 is a Contactor,magnetic, manufactured by Rockwell Automation, Inc. Dba Rockwell Automation, classified under FSC 6110 (No Item Name Available). Status: active.

What are the part numbers for NSN 6110-01-492-1588?

NSN 6110-01-492-1588 has 3 cross-referenced part numbers: M-304443-M0 (Rockwell Automation, Inc. Dba Rockwell Automation), 70-903 (Rockwell Automation, Inc. Dba Rockwell Automation), M-304443-M0 ITEM 11 (Rockwell Automation, Inc. Dba Rockwell Automation).

What NSN replaces 6110-01-492-1588?

There are 10 known substitutes for 6110-01-492-1588: 5945-00-272-4163, 4720-00-613-7307, 5945-00-718-4929 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 70-903?

Key specifications for 70-903: Special Features: DC POWER CONTACTOR 50A A; End Item Identification: GAS TURBINE RELAY CONTROL PANEL. 2 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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