PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

R40Relay,electromagnetic

Se Relays Llc (magnecraft) Div Se Relays Llc (magnecraft) · NSN 5945-00-227-7008 · FSC 5945 · No Item Name Available
Verified by PartsTable
NSN 5945-00-227-7008 — this item is cataloged by the U.S. Government under National Stock Number 5945-00-227-7008. Primary manufacturer part number: R40.
Features
  • Relay,electromagnetic — FSC 5945
  • Duty Type: CONTINUOUS
  • Main Contact Maximum Voltage Rating in Volts: 30.0 AC AND 30.0 DC
  • Mounting Facility Type and Quantity: 4 THREADED HOLE(S) SINGLE MOUNTING FACILITY
  • Center to Center Distance Between Mounting Facilities Parallel to Width: 0.375 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
  • Nominal Thread Size: 0.112 INCHES SINGLE MOUNTING FACILITY IN
  • Center to Center Distance Between Mounting Facilities Parallel to Length: 0.375 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
  • Main Contact Load Current Rating at Maximum Rated Voltage: 3.0 AMPERES AC AND 3.0 AMPERES DC RESISTIVE LOAD
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Relay,electromagnetic, cataloged under National Stock Number 5945-00-227-7008, 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 Se Relays Llc (magnecraft) Div Se Relays Llc (magnecraft). Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5945-00-227-7008
Primary Part NumberR40
Item NameRelay,electromagnetic
FSC / FSG5945 / 59 — No Item Name Available
ManufacturerSe Relays Llc (magnecraft) Div Se Relays Llc (magnecraft)
StatusACTIVE
Duty TypeCONTINUOUS
Main Contact Maximum Voltage Rating in Volts30.0 AC AND 30.0 DC
Mounting Facility Type and Quantity4 THREADED HOLE(S) SINGLE MOUNTING FACILITY
Center to Center Distance Between Mounting Facilities Parallel to Width0.375 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Nominal Thread Size0.112 INCHES SINGLE MOUNTING FACILITY IN
Center to Center Distance Between Mounting Facilities Parallel to Length0.375 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Main Contact Load Current Rating at Maximum Rated Voltage3.0 AMPERES AC AND 3.0 AMPERES DC RESISTIVE LOAD
Thread Class2B SINGLE MOUNTING FACILITY
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE MOUNTING FACILITY
Terminal Type and Quantity8 PIN ALL FUNCTIONS
Mounting Facility PatternRECTANGULAR SINGLE MOUNTING FACILITY
Winding DC Resistance Rating785.0 OHMS NOMINAL SINGLE WINDING
Pile-Up Main Contact Form Arrangement2C
Coil Quantity1
Winding Quantity1
Operating Voltage Rating and Type at Specified Temp22.0 VOLTS DC 25 DEG CELSIUS SINGLE WINDING
Thread Quantity Per Inch32 SINGLE MOUNTING FACILITY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
5945-00-255-112875904172Z INTERCHANGEABLE
Relay,electromagnetic
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
6135-00-643-1311R40 INTERCHANGEABLE
Battery,nonrechargeable
American National Standards Institute Incorporated Dba American National Standards Institute
5945-00-847-7952600-0030-101 INTERCHANGEABLE
Relay,electromagnetic
Applied Biosystems, Llc Dba Life Technologies
6675-00-982-1977823 INTERCHANGEABLE
Template,drafting
Airmate Co., Inc.
5120-01-109-554613208 INTERCHANGEABLE
Socket,socket Wrench
W. S. Spotswood & Sons, Inc. Dba Govtools
3455-01-116-6023 INTERCHANGEABLE
File,rotary
3990-01-232-0881R-40 INTERCHANGEABLE
Binder,load
Ratcliff Hoist Co
3439-01-302-7225 INTERCHANGEABLE
Soldering Iron,electric
6240-01-436-8820120WBR40/FL INTERCHANGEABLE
Lamp,incandescent
Altman Stage Lighting Co
8145-01-727-2750R40 INTERCHANGEABLE
Shipping and Storage Container,m
Pelican Products, Inc. Dba Pelican Products Inc
Cross-Reference Index
Part NumberManufacturer
R40 Se Relays Llc (magnecraft) Div Se Relays Llc (magnecraft) (USA)
972-1014-00 Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA)
Related Parts
5945-00-255-1128INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
75904172Z
6135-00-643-1311INTERCHANGEABLE
BATTERY,NONRECHARGEABLE
R40
5945-00-847-7952INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
600-0030-101
6675-00-982-1977INTERCHANGEABLE
TEMPLATE,DRAFTING
823
5120-01-109-5546INTERCHANGEABLE
SOCKET,SOCKET WRENCH
13208
3455-01-116-6023INTERCHANGEABLE
FILE,ROTARY
3990-01-232-0881INTERCHANGEABLE
BINDER,LOAD
R-40
3439-01-302-7225INTERCHANGEABLE
SOLDERING IRON,ELECTRIC
6240-01-436-8820INTERCHANGEABLE
LAMP,INCANDESCENT
120WBR40/FL
8145-01-727-2750INTERCHANGEABLE
SHIPPING AND STORAGE CONTAINER,M
R40

Frequently Asked Questions

What is NSN 5945-00-227-7008?

NSN 5945-00-227-7008 is a Relay,electromagnetic, manufactured by Se Relays Llc (magnecraft) Div Se Relays Llc (magnecraft), classified under FSC 5945 (No Item Name Available). Status: active.

What are the part numbers for NSN 5945-00-227-7008?

NSN 5945-00-227-7008 has 2 cross-referenced part numbers: R40 (Se Relays Llc (magnecraft) Div Se Relays Llc (magnecraft)), 972-1014-00 (Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems).

What NSN replaces 5945-00-227-7008?

There are 10 known substitutes for 5945-00-227-7008: 5945-00-255-1128, 6135-00-643-1311, 5945-00-847-7952 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of R40?

Key specifications for R40: Duty Type: CONTINUOUS; Main Contact Maximum Voltage Rating in Volts: 30.0 AC AND 30.0 DC; Mounting Facility Type and Quantity: 4 THREADED HOLE(S) SINGLE MOUNTING FACILITY; Center to Center Distance Between Mounting Facilities Parallel to Width: 0.375 INCHES NOMINAL SINGLE MOUNTING FACILITY IN. 20 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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