PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

145003Relay,electromagnetic

Telemechanics Inc · NSN 5945-00-983-3958 · FSC 5945 · No Item Name Available
Verified by PartsTable
NSN 5945-00-983-3958 — this item is cataloged by the U.S. Government under National Stock Number 5945-00-983-3958. Primary manufacturer part number: 145003.
Features
  • Relay,electromagnetic — FSC 5945
  • Winding Quantity: 1
  • Coil Quantity: 1
  • Purpose for Which Designed: GENERAL
  • Winding DC Resistance Rating: 700.0 OHMS NOMINAL SINGLE WINDING
  • Arc Quenching Method: AIR
  • Nonpile-Up Main Contact Arrangement: 1 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION AND 1 POLE, SINGLE THROW, NORMALLY CLOSED, MOMENTARY ACTION
  • Fragility Factor: MODERATELY RUGGED
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Relay,electromagnetic, cataloged under National Stock Number 5945-00-983-3958, 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 Telemechanics Inc. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5945-00-983-3958
Primary Part Number145003
Item NameRelay,electromagnetic
FSC / FSG5945 / 59 — No Item Name Available
ManufacturerTelemechanics Inc
StatusACTIVE
Winding Quantity1
Coil Quantity1
Purpose for Which DesignedGENERAL
Winding DC Resistance Rating700.0 OHMS NOMINAL SINGLE WINDING
Arc Quenching MethodAIR
Nonpile-Up Main Contact Arrangement1 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION AND 1 POLE, SINGLE THROW, NORMALLY CLOSED, MOMENTARY ACTION
Fragility FactorMODERATELY RUGGED
Storage TypeGENERAL PURPOSE WAREHOUSE
Duty TypeCONTINUOUS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5310-00-181-6153145003 INTERCHANGEABLE
Nut,self-Locking,slotted,hexagon
General Motors Llc Dba General Motors Llc
3030-00-264-3059145003 INTERCHANGEABLE
Belt,v
Dresser, Llc
Cross-Reference Index
Part NumberManufacturer
145003 American Telephone and Telegraph Co (USA)
145003 At and T Corp (USA)
145003 PRIMARY Telemechanics Inc (USA)
145003 Lucent Technologies Inc Dba Federal Marketing Group (USA)
145003 Lucent Technologies Inc Corporate Headquarters (USA)
Related Parts
5310-00-181-6153INTERCHANGEABLE
NUT,SELF-LOCKING,SLOTTED,HEXAGON
145003
3030-00-264-3059INTERCHANGEABLE
BELT,V
145003

Frequently Asked Questions

What is NSN 5945-00-983-3958?

NSN 5945-00-983-3958 is a Relay,electromagnetic, manufactured by Telemechanics Inc, classified under FSC 5945 (No Item Name Available). Status: active.

What are the part numbers for NSN 5945-00-983-3958?

NSN 5945-00-983-3958 has 5 cross-referenced part numbers: 145003 (American Telephone and Telegraph Co), 145003 (At and T Corp), 145003 (Telemechanics Inc), 145003 (Lucent Technologies Inc Dba Federal Marketing Group), 145003 (Lucent Technologies Inc Corporate Headquarters).

What NSN replaces 5945-00-983-3958?

There are 2 known substitutes for 5945-00-983-3958: 5310-00-181-6153, 3030-00-264-3059. Verify interchangeability with system specifications before substitution.

What are the specifications of 145003?

Key specifications for 145003: Winding Quantity: 1; Coil Quantity: 1; Purpose for Which Designed: GENERAL; Winding DC Resistance Rating: 700.0 OHMS NOMINAL SINGLE WINDING. 9 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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