PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

40261Relay,reed

The Dewey Electronics Corporation Div Pitometer Log Division · NSN 5945-00-406-4207 · FSC 5945 · No Item Name Available
Verified by PartsTable
NSN 5945-00-406-4207 — this item is cataloged by the U.S. Government under National Stock Number 5945-00-406-4207. Primary manufacturer part number: 40261.
Features
  • Relay,reed — FSC 5945
  • Winding DC Resistance Rating: 1.7 KILOHMS NOMINAL SINGLE WINDING
  • Operating Voltage Rating and Type at Specified Temp: 24.0 VOLTS DC 25 DEG CELSIUS SINGLE WINDING
  • Main Contact Load Current Rating at Maximum Rated Voltage: 250.0 MILLIAMPERES DC RESISTIVE LOAD
  • Duty Type: CONTINUOUS
  • Winding Quantity: 1
  • Environmental Protection: HERMETIC
  • Terminal Type and Quantity: 8 PIN ALL FUNCTIONS
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Relay,reed, cataloged under National Stock Number 5945-00-406-4207, 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 The Dewey Electronics Corporation Div Pitometer Log Division. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5945-00-406-4207
Primary Part Number40261
Item NameRelay,reed
FSC / FSG5945 / 59 — No Item Name Available
ManufacturerThe Dewey Electronics Corporation Div Pitometer Log Division
StatusACTIVE
Winding DC Resistance Rating1.7 KILOHMS NOMINAL SINGLE WINDING
Operating Voltage Rating and Type at Specified Temp24.0 VOLTS DC 25 DEG CELSIUS SINGLE WINDING
Main Contact Load Current Rating at Maximum Rated Voltage250.0 MILLIAMPERES DC RESISTIVE LOAD
Duty TypeCONTINUOUS
Winding Quantity1
Environmental ProtectionHERMETIC
Terminal Type and Quantity8 PIN ALL FUNCTIONS
Main Contact Maximum Voltage Rating in Volts250.0 DC
Coil Quantity1
Mounting Facility Type and Quantity1 PLUG-IN TERMINAL(S) SINGLE MOUNTING FACILITY
Nonpile-Up Main Contact Arrangement2 POLE, DOUBLE THROW, ONE POSITION MOMENTARY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5998-00-004-8793100431 INTERCHANGEABLE
Circuit Card Assembly
Logimetrics Inc
4730-00-042-8988 INTERCHANGEABLE
Plug,pipe
1560-00-121-605140261 INTERCHANGEABLE
Rod,control,flight
Piper Industrial Manufacturing Company, Llc Div Piper Industrial Manufacturing Company
5330-00-559-4384100432 INTERCHANGEABLE
Seal,nonmetallic Round Section
Integral Aerospace, Llc Dba Pcx Aerosystems - Santa Ana Div Integral Aerospace, Llc Dba Pcx Aerosystems - Santa Ana
5895-00-669-5602 INTERCHANGEABLE
Panel,indicator
5940-00-914-7409 INTERCHANGEABLE
Terminal,stud
6130-01-006-6344 INTERCHANGEABLE
Power Supply Subassembly
4320-01-015-1642 INTERCHANGEABLE
Screen,air Strainer
4310-01-282-8432110703X1 INTERCHANGEABLE
Connecting Rod,piston
Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor
3810-01-415-6933100431 INTERCHANGEABLE
Base,left-Handed
Paccar Winch Inc Dba Paccar Winch Division
Cross-Reference Index
Part NumberManufacturer
100-431 Computer Components, Inc Dba Relays Unlimited (USA)
2679070-3 Northrop Grumman Systems Corporation (USA)
40261 PRIMARY The Dewey Electronics Corporation Div Pitometer Log Division (USA)
50167-501-28 The Dewey Electronics Corporation Div Pitometer Log Division (USA)
100-432 Computer Components, Inc Dba Relays Unlimited (USA)
Related Parts
5998-00-004-8793INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
100431
4730-00-042-8988INTERCHANGEABLE
PLUG,PIPE
1560-00-121-6051INTERCHANGEABLE
ROD,CONTROL,FLIGHT
40261
5330-00-559-4384INTERCHANGEABLE
SEAL,NONMETALLIC ROUND SECTION
100432
5895-00-669-5602INTERCHANGEABLE
PANEL,INDICATOR
5940-00-914-7409INTERCHANGEABLE
TERMINAL,STUD
6130-01-006-6344INTERCHANGEABLE
POWER SUPPLY SUBASSEMBLY
4320-01-015-1642INTERCHANGEABLE
SCREEN,AIR STRAINER
4310-01-282-8432INTERCHANGEABLE
CONNECTING ROD,PISTON
110703X1
3810-01-415-6933INTERCHANGEABLE
BASE,LEFT-HANDED
100431
6130-01-568-6775INTERCHANGEABLE
POWER SUPPLY
100432
5920-01-604-3978INTERCHANGEABLE
FUSE ASSORTMENT
100432

Frequently Asked Questions

What is NSN 5945-00-406-4207?

NSN 5945-00-406-4207 is a Relay,reed, manufactured by The Dewey Electronics Corporation Div Pitometer Log Division, classified under FSC 5945 (No Item Name Available). Status: active.

What are the part numbers for NSN 5945-00-406-4207?

NSN 5945-00-406-4207 has 5 cross-referenced part numbers: 100-431 (Computer Components, Inc Dba Relays Unlimited), 2679070-3 (Northrop Grumman Systems Corporation), 40261 (The Dewey Electronics Corporation Div Pitometer Log Division), 50167-501-28 (The Dewey Electronics Corporation Div Pitometer Log Division), 100-432 (Computer Components, Inc Dba Relays Unlimited).

What NSN replaces 5945-00-406-4207?

There are 12 known substitutes for 5945-00-406-4207: 5998-00-004-8793, 4730-00-042-8988, 1560-00-121-6051 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 40261?

Key specifications for 40261: Overall Height: 0.719 INCHES NOMINAL IN; Overall Width: 0.938 INCHES NOMINAL IN; Winding DC Resistance Rating: 1.7 KILOHMS NOMINAL SINGLE WINDING; Operating Voltage Rating and Type at Specified Temp: 24.0 VOLTS DC 25 DEG CELSIUS SINGLE WINDING. 14 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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