PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

70-903Relay Assembly

Emerson Electric Co White Rodgers Co Div · NSN 5945-01-490-6107 · FSC 5945 · No Item Name Available
Verified by PartsTable
NSN 5945-01-490-6107 — this item is cataloged by the U.S. Government under National Stock Number 5945-01-490-6107. Primary manufacturer part number: 70-903.
Features
  • Relay Assembly — FSC 5945
  • 3 verified cross-references
  • Primary manufacturer: Emerson Electric Co White Rodgers Co Div
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Relay Assembly, cataloged under National Stock Number 5945-01-490-6107, is classified within Federal Supply Class 5945 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Emerson Electric Co White Rodgers Co Div. This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5945-01-490-6107
Primary Part Number70-903
Item NameRelay Assembly
FSC / FSG5945 / 59 — No Item Name Available
ManufacturerEmerson Electric Co White Rodgers Co Div
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
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.
6110-01-492-158870-903 INTERCHANGEABLE
Contactor,magnetic
Rockwell Automation, Inc. Dba Rockwell Automation
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
70-903 PRIMARY Emerson Electric Co White Rodgers Co Div (USA)
M-304443-P0 PRIMARY Rockwell Automation Inc Dba Rockwell Automation (USA)
M-304443-P0 PRIMARY 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
6110-01-492-1588INTERCHANGEABLE
CONTACTOR,MAGNETIC
70-903
4820-01-694-2556INTERCHANGEABLE
SEAT,VALVE
709-03
7510-01-721-9317INTERCHANGEABLE
INK,MARKING STENCIL
70903

Frequently Asked Questions

What is NSN 5945-01-490-6107?

NSN 5945-01-490-6107 is a Relay Assembly, manufactured by Emerson Electric Co White Rodgers Co Div, classified under FSC 5945 (No Item Name Available). Status: active.

What are the part numbers for NSN 5945-01-490-6107?

NSN 5945-01-490-6107 has 3 cross-referenced part numbers: 70-903 (Emerson Electric Co White Rodgers Co Div), M-304443-P0 (Rockwell Automation Inc Dba Rockwell Automation), M-304443-P0 (Rockwell Automation, Inc. Dba Rockwell Automation).

What NSN replaces 5945-01-490-6107?

There are 9 known substitutes for 5945-01-490-6107: 5945-00-272-4163, 4720-00-613-7307, 5945-00-718-4929 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 70-903?

Key specifications for 70-903: End Item Identification: RELAY BOX, SSARB. 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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