PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

9M0990Relay,electromagnetic

Caterpillar Inc Div Caterpillar Defense · NSN 5945-00-923-4291 · FSC 5945 · No Item Name Available
Verified by PartsTable
NSN 5945-00-923-4291 — this item is cataloged by the U.S. Government under National Stock Number 5945-00-923-4291. Primary manufacturer part number: 9M0990.
Features
  • Relay,electromagnetic — FSC 5945
  • 22 verified cross-references
  • Primary manufacturer: Caterpillar Inc Div Caterpillar Defense
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Relay,electromagnetic, cataloged under National Stock Number 5945-00-923-4291, 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 Caterpillar Inc Div Caterpillar Defense. This item has 22 commercial cross-references from 17 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Catalog Facts
Item NameRelay,electromagnetic
FSC / FSG5945 — No Item Name Available (FSG 59)
ManufacturersAce Electric Corp (CAGE 64058); Lift Parts Mfg Co Inc Div of Echlin Mfg Co the (CAGE 16662); Hale Products, Inc. (CAGE 26840); Prestolite Electric Inc (CAGE 68505); Tvh Parts Co. (CAGE 66654)
Technical Specifications
ParameterValue
NSN5945-00-923-4291
Primary Part Number9M0990
Item NameRelay,electromagnetic
FSC / FSG5945 / 59 — No Item Name Available
ManufacturerCaterpillar Inc Div Caterpillar Defense
StatusCANCELLED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5940-00-071-123271003 INTERCHANGEABLE
Terminal,lug
Abb Installation Products Inc
3110-00-156-465812Z10210-1 INTERCHANGEABLE
Bearing,ball,annular
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5950-00-175-485311851 INTERCHANGEABLE
Saturable Reactor
Standex Electronics, Inc.
3040-00-354-3393 INTERCHANGEABLE
Shaft,shouldered
5962-00-369-7831 INTERCHANGEABLE
Microcircuit,digital
6115-00-465-1030MEP-003A INTERCHANGEABLE
Generator Set,diesel Engine
Department of Defense Project Manager-Mobile Electric Power
5340-00-498-1725SCA8148 INTERCHANGEABLE
Strap,webbing
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
6675-00-509-5586545-190 INTERCHANGEABLE
Level,surveying
Brunson Instrument Company Dba Brunson Instrument Co
5930-00-564-2784167-211SM1AG33PCBM35 INTERCHANGEABLE
Switch,push
Naval Ship Systems Command
2920-00-695-7159 INTERCHANGEABLE
Coil Set,starter Mo
Cross-Reference Index
Part NumberManufacturer
7-1003 Ace Electric Corp (USA)
5451 Lift Parts Mfg Co Inc Div of Echlin Mfg Co the (USA)
200-0070-00 Hale Products, Inc. (USA)
28SAW4201 Prestolite Electric Inc (USA)
5451 Tvh Parts Co. (USA)
SS547A Standard Motor Products (USA)
PE1350 Crane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp. (USA)
2CX935 Oshkosh Corp (USA)
9M0990 PRIMARY Caterpillar Inc Div Caterpillar Defense (USA)
S9-7000-03 Fenner Fluid Power Inc (USA)
28-SAW-4201 Prestolite Div of Bunker Ramo-Eltra Corp Eltra Corp (USA)
1114225 General Motors Corp Delco Remy Div (USA)
2CX935 Oshkosh Defense Llc (USA)
ST51 Echlin Inc (USA)
IPD9M0990 Industrial Parts Depot, Llc Dba Ipd (USA)
9M990 Caterpillar Inc Div Caterpillar Defense (USA)
1114225 General Motors Corp (USA)
11851 Ace Electric Corp (USA)
28SAW4201 Wisconsin Motors, Llc (USA)
1114225 Standard Motor Products (USA)
Related Parts
5940-00-071-1232INTERCHANGEABLE
TERMINAL,LUG
71003
3110-00-156-4658INTERCHANGEABLE
BEARING,BALL,ANNULAR
12Z10210-1
5950-00-175-4853INTERCHANGEABLE
SATURABLE REACTOR
11851
3040-00-354-3393INTERCHANGEABLE
SHAFT,SHOULDERED
5962-00-369-7831INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
6115-00-465-1030INTERCHANGEABLE
GENERATOR SET,DIESEL ENGINE
MEP-003A
5340-00-498-1725INTERCHANGEABLE
STRAP,WEBBING
SCA8148
6675-00-509-5586INTERCHANGEABLE
LEVEL,SURVEYING
545-190
5930-00-564-2784INTERCHANGEABLE
SWITCH,PUSH
167-211SM1AG33PCBM35
2920-00-695-7159INTERCHANGEABLE
COIL SET,STARTER MO
5950-00-767-5135INTERCHANGEABLE
COIL,RADIO FREQUENCY
6625-00-831-4046INTERCHANGEABLE
TEST SET,INTERCONNECTING BOX

Frequently Asked Questions

What is NSN 5945-00-923-4291?

NSN 5945-00-923-4291 is a Relay,electromagnetic, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 5945 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5945-00-923-4291?

NSN 5945-00-923-4291 has 22 cross-referenced part numbers: 7-1003 (Ace Electric Corp), 5451 (Lift Parts Mfg Co Inc Div of Echlin Mfg Co the), 200-0070-00 (Hale Products, Inc.), 28SAW4201 (Prestolite Electric Inc), 5451 (Tvh Parts Co.) and 17 more.

What NSN replaces 5945-00-923-4291?

There are 12 known substitutes for 5945-00-923-4291: 5940-00-071-1232, 3110-00-156-4658, 5950-00-175-4853 and 9 more. Verify interchangeability with system specifications before substitution.

Is NSN 5945-00-923-4291 still in active supply?

NSN 5945-00-923-4291 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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