PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1978067-105Relay,electromagnetic

Northrop Grumman Systems Corporation · NSN 5945-01-276-5549 · FSC 5945 · No Item Name Available
Verified by PartsTable
NSN 5945-01-276-5549 — this item is cataloged by the U.S. Government under National Stock Number 5945-01-276-5549. Primary manufacturer part number: 1978067-105.
Features
  • Relay,electromagnetic — FSC 5945
  • 2 verified cross-references
  • Primary manufacturer: Northrop Grumman Systems Corporation
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Relay,electromagnetic, cataloged under National Stock Number 5945-01-276-5549, 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 Northrop Grumman Systems Corporation. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameRelay,electromagnetic
FSC / FSG5945 — No Item Name Available (FSG 59)
ManufacturersDonaldson Company, Inc. (CAGE 14818); Northrop Grumman Systems Corporation (CAGE 03956)
Technical Specifications
ParameterValue
NSN5945-01-276-5549
Primary Part Number1978067-105
Item NameRelay,electromagnetic
FSC / FSG5945 / 59 — No Item Name Available
ManufacturerNorthrop Grumman Systems Corporation
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
5977-00-164-2003 INTERCHANGEABLE
Holder Assembly,electrical Conta
5841-01-067-2676342C195H06 INTERCHANGEABLE
Wrapper,spiral,cable Harness
Northrop Grumman Support Services Corp
4310-01-073-17905000-5-1 INTERCHANGEABLE
Compressor Unit,reciprocating
Altec Air, Llc Dba Altec Llc
4930-01-269-227350-0051 INTERCHANGEABLE
Refueling System,aviation Tactic
Garsite Tsr Inc
5962-01-303-146550005-1 INTERCHANGEABLE
Microcircuit,digital
Raytheon Company Div Rmd Strategic
3020-01-393-463950005-1 INTERCHANGEABLE
Gear,bevel
Morpac Industries, Inc Div Actuator
4730-01-463-7080580-538 INTERCHANGEABLE
Swivel Joint,hydraulic
Titan Tool Inc
5935-01-549-5653500-051NF2JU6-09 INTERCHANGEABLE
Cover and Guard,electrical Conne
Glenair, Inc.
4220-01-559-5538500-051 INTERCHANGEABLE
Helmet,deep-Sea Diver's
Kirby Morgan Dive Systems Inc
5315-01-613-46885000-51 INTERCHANGEABLE
Pin,spring
Pdi Ground Support Systems, Inc.
Cross-Reference Index
Part NumberManufacturer
500051 Donaldson Company, Inc. (USA)
1978067-105 PRIMARY Northrop Grumman Systems Corporation (USA)
Related Parts
5977-00-164-2003INTERCHANGEABLE
HOLDER ASSEMBLY,ELECTRICAL CONTA
5841-01-067-2676INTERCHANGEABLE
WRAPPER,SPIRAL,CABLE HARNESS
342C195H06
4310-01-073-1790INTERCHANGEABLE
COMPRESSOR UNIT,RECIPROCATING
5000-5-1
4930-01-269-2273INTERCHANGEABLE
REFUELING SYSTEM,AVIATION TACTIC
50-0051
5962-01-303-1465INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
50005-1
3020-01-393-4639INTERCHANGEABLE
GEAR,BEVEL
50005-1
4730-01-463-7080INTERCHANGEABLE
SWIVEL JOINT,HYDRAULIC
580-538
5935-01-549-5653INTERCHANGEABLE
COVER AND GUARD,ELECTRICAL CONNE
500-051NF2JU6-09
4220-01-559-5538INTERCHANGEABLE
HELMET,DEEP-SEA DIVER'S
500-051
5315-01-613-4688INTERCHANGEABLE
PIN,SPRING
5000-51
5325-01-644-2442INTERCHANGEABLE
RING,RETAINING
206048-1

Frequently Asked Questions

What is NSN 5945-01-276-5549?

NSN 5945-01-276-5549 is a Relay,electromagnetic, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5945 (No Item Name Available). Status: active.

What are the part numbers for NSN 5945-01-276-5549?

NSN 5945-01-276-5549 has 2 cross-referenced part numbers: 500051 (Donaldson Company, Inc.), 1978067-105 (Northrop Grumman Systems Corporation).

What NSN replaces 5945-01-276-5549?

There are 11 known substitutes for 5945-01-276-5549: 5977-00-164-2003, 5841-01-067-2676, 4310-01-073-1790 and 8 more. Verify interchangeability with system specifications before substitution.

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