PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

M727Relay,electromagnetic

Couch S H Co · NSN 5945-00-075-6873 · FSC 5945 · No Item Name Available
Verified by PartsTable
NSN 5945-00-075-6873 — this item is cataloged by the U.S. Government under National Stock Number 5945-00-075-6873. Primary manufacturer part number: M727.
Features
  • Relay,electromagnetic — FSC 5945
  • Main Contact Load Current Rating at Maximum Rated Voltage: 2.0 AMPERES AC AND 2.0 AMPERES DC RESISTIVE LOAD
  • Coil Quantity: 1
  • Winding DC Resistance Rating: 4.5 KILOHMS MINIMUM AND 5.0 KILOHMS MAXIMUM SINGLE WINDING
  • Environmental Protection: HERMETIC
  • Mounting Facility Type and Quantity: 2 UNTHREADED HOLE(S) SECOND MOUNTING FACILITY
  • Fragility Factor: MODERATELY RUGGED
  • Winding Quantity: 1
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Relay,electromagnetic, cataloged under National Stock Number 5945-00-075-6873, 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 Couch S H Co. Government technical data includes 20 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5945-00-075-6873
Primary Part NumberM727
Item NameRelay,electromagnetic
FSC / FSG5945 / 59 — No Item Name Available
ManufacturerCouch S H Co
StatusACTIVE
Main Contact Load Current Rating at Maximum Rated Voltage2.0 AMPERES AC AND 2.0 AMPERES DC RESISTIVE LOAD
Coil Quantity1
Winding DC Resistance Rating4.5 KILOHMS MINIMUM AND 5.0 KILOHMS MAXIMUM SINGLE WINDING
Environmental ProtectionHERMETIC
Mounting Facility Type and Quantity2 UNTHREADED HOLE(S) SECOND MOUNTING FACILITY
Fragility FactorMODERATELY RUGGED
Winding Quantity1
Purpose for Which DesignedGENERAL
Operating Voltage Rating and Type at Specified Temp25.6 VOLTS DC 25 DEG CELSIUS SINGLE WINDING
Arc Quenching MethodAIR
Main Contact Maximum Voltage Rating in Volts32.0 AC AND 32.0 DC
Nonpile-Up Main Contact Arrangement2 POLE, DOUBLE THROW, ONE POSITION MOMENTARY
Storage TypeGENERAL PURPOSE WAREHOUSE
Center to Center Distance Between Mounting Facilities Parallel to Length1.200 INCHES NOMINAL SECOND MOUNTING FACILITY IN
Terminal Type and Quantity8 PIN ALL FUNCTIONS
Mounting Facility Type and Quantity1 PLUG-IN TERMINAL(S) FIRST MOUNTING FACILITY
Cubic Measure1.153 CUBIC INCHES
Mounting Facility PatternIN-LINE SECOND MOUNTING FACILITY
Unthreaded Mounting Hole Diameter0.125 INCHES NOMINAL SECOND MOUNTING FACILITY IN
Duty TypeCONTINUOUS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5310-00-998-0608 INTERCHANGEABLE
Nut,plain,slotted,hexagon
Cross-Reference Index
Part NumberManufacturer
M727 Couch S H Co (USA)
2R-M727 Dri Relays Inc. Dba Dri Relays Inc (USA)
REY1485 I-T-E Imperial Corp Subsidiary of Gould Inc Atlanta Marine Dept (USA)
DX518176-4 Lockheed Martin Corp Lockheed Martin Mission Systems (USA)
M727 Dri Relays Inc. Dba Dri Relays Inc (USA)
Related Parts
5310-00-998-0608INTERCHANGEABLE
NUT,PLAIN,SLOTTED,HEXAGON

Frequently Asked Questions

What is NSN 5945-00-075-6873?

NSN 5945-00-075-6873 is a Relay,electromagnetic, manufactured by Couch S H Co, classified under FSC 5945 (No Item Name Available). Status: active.

What are the part numbers for NSN 5945-00-075-6873?

NSN 5945-00-075-6873 has 5 cross-referenced part numbers: M727 (Couch S H Co), 2R-M727 (Dri Relays Inc. Dba Dri Relays Inc), REY1485 (I-T-E Imperial Corp Subsidiary of Gould Inc Atlanta Marine Dept), DX518176-4 (Lockheed Martin Corp Lockheed Martin Mission Systems), M727 (Dri Relays Inc. Dba Dri Relays Inc).

What NSN replaces 5945-00-075-6873?

There is 1 known substitute for 5945-00-075-6873: 5310-00-998-0608. Verify interchangeability with system specifications before substitution.

What are the specifications of M727?

Key specifications for M727: Main Contact Load Current Rating at Maximum Rated Voltage: 2.0 AMPERES AC AND 2.0 AMPERES DC RESISTIVE LOAD; Coil Quantity: 1; Winding DC Resistance Rating: 4.5 KILOHMS MINIMUM AND 5.0 KILOHMS MAXIMUM SINGLE WINDING; Environmental Protection: HERMETIC. 23 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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