PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21300Relay,electromagnetic

Raytheon Company Dba Raytheon · NSN 5945-00-611-0912 · FSC 5945 · No Item Name Available
Verified by PartsTable
NSN 5945-00-611-0912 — this item is cataloged by the U.S. Government under National Stock Number 5945-00-611-0912. Primary manufacturer part number: 21300.
Features
  • Relay,electromagnetic — FSC 5945
  • Coil Quantity: 1
  • Nonpile-Up Main Contact Arrangement: 1 POLE, DOUBLE THROW, ONE POSITION MOMENTARY
  • Winding Quantity: 1
  • Precious Material and Location: CONTACTS SILVER
  • Precious Material: SILVER
  • Mounting Facility Type and Quantity: 4 THREADED HOLE(S) SINGLE MOUNTING FACILITY
  • Thread Quantity Per Inch: 40 SINGLE MOUNTING FACILITY
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Relay,electromagnetic, cataloged under National Stock Number 5945-00-611-0912, 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 Raytheon Company Dba Raytheon. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 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: Cancelled.

Technical Specifications
ParameterValue
NSN5945-00-611-0912
Primary Part Number21300
Item NameRelay,electromagnetic
FSC / FSG5945 / 59 — No Item Name Available
ManufacturerRaytheon Company Dba Raytheon
StatusCANCELLED
Coil Quantity1
Nonpile-Up Main Contact Arrangement1 POLE, DOUBLE THROW, ONE POSITION MOMENTARY
Winding Quantity1
Precious Material and LocationCONTACTS SILVER
Precious MaterialSILVER
Mounting Facility Type and Quantity4 THREADED HOLE(S) SINGLE MOUNTING FACILITY
Thread Quantity Per Inch40 SINGLE MOUNTING FACILITY
Terminal Type and Quantity5 PIN ALL FUNCTIONS
Thread Class2B SINGLE MOUNTING FACILITY
Center to Center Distance Between Mounting Facilities Parallel to Width0.375 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Mounting Facility PatternRECTANGULAR SINGLE MOUNTING FACILITY
Operating Voltage Rating and Type at Specified Temp13.25 VOLTS DC 25 DEG CELSIUS SINGLE WINDING
Duty TypeCONTINUOUS
Center to Center Distance Between Mounting Facilities Parallel to Length0.375 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Nominal Thread Size0.112 INCHES SINGLE MOUNTING FACILITY IN
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE MOUNTING FACILITY
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5975-00-070-8331357-9405-000 INTERCHANGEABLE
Collar,cable
Rockwell Collins, Inc. Div Collins Aerospace - Mission Systems
5305-00-095-446221300 INTERCHANGEABLE
Screw
Dresser, Llc
5945-00-259-6512874129 INTERCHANGEABLE
Armature,relay
Goodrich Corporation Dba Goodrich Corp
6610-00-601-502121300 INTERCHANGEABLE
Diaphragm Assy
Aerosonic Llc
6115-00-966-9164 INTERCHANGEABLE
Actuator,speed Control
5330-00-980-4970ADSP7441 INTERCHANGEABLE
Packing,preformed
John Crane, Inc
5935-01-093-85105082-2241-00 INTERCHANGEABLE
Adapter,connector
Tyco Electronics Corp
5930-01-144-908421300 INTERCHANGEABLE
Switch,rotary
Alliance Laundry Systems Llc
4240-01-199-9113870 INTERCHANGEABLE
Hood,welding
Fibre-Metal Products Co Inc
6625-01-260-238721300 INTERCHANGEABLE
Light,test
S and G Tool Aid Corp Br of Eagles M Tool Warehouse Inc
Cross-Reference Index
Part NumberManufacturer
SQA Gte Communication Systems Corp (USA)
452-1371 Lockheed Martin Corporation Div Lockheed Martin Information Systems & Global Solutions (USA)
H87185-1A Gte Communication Systems Corp (USA)
21300 PRIMARY Raytheon Company Dba Raytheon (USA)
Related Parts
5975-00-070-8331INTERCHANGEABLE
COLLAR,CABLE
357-9405-000
5305-00-095-4462INTERCHANGEABLE
SCREW
21300
5945-00-259-6512INTERCHANGEABLE
ARMATURE,RELAY
874129
6610-00-601-5021INTERCHANGEABLE
DIAPHRAGM ASSY
21300
6115-00-966-9164INTERCHANGEABLE
ACTUATOR,SPEED CONTROL
5330-00-980-4970INTERCHANGEABLE
PACKING,PREFORMED
ADSP7441
5935-01-093-8510INTERCHANGEABLE
ADAPTER,CONNECTOR
5082-2241-00
5930-01-144-9084INTERCHANGEABLE
SWITCH,ROTARY
21300
4240-01-199-9113INTERCHANGEABLE
HOOD,WELDING
870
6625-01-260-2387INTERCHANGEABLE
LIGHT,TEST
21300
6695-01-311-1357INTERCHANGEABLE
TRANSDUCER,MOTIONAL PICKUP
9999-21300
6060-01-348-5030INTERCHANGEABLE
SPLICE,FIBER OPTIC CONDUCTOR
21300

Frequently Asked Questions

What is NSN 5945-00-611-0912?

NSN 5945-00-611-0912 is a Relay,electromagnetic, manufactured by Raytheon Company Dba Raytheon, classified under FSC 5945 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5945-00-611-0912?

NSN 5945-00-611-0912 has 4 cross-referenced part numbers: SQA (Gte Communication Systems Corp), 452-1371 (Lockheed Martin Corporation Div Lockheed Martin Information Systems & Global Solutions), H87185-1A (Gte Communication Systems Corp), 21300 (Raytheon Company Dba Raytheon).

What NSN replaces 5945-00-611-0912?

There are 12 known substitutes for 5945-00-611-0912: 5975-00-070-8331, 5305-00-095-4462, 5945-00-259-6512 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 21300?

Key specifications for 21300: Coil Quantity: 1; Nonpile-Up Main Contact Arrangement: 1 POLE, DOUBLE THROW, ONE POSITION MOMENTARY; Winding Quantity: 1; Precious Material and Location: CONTACTS SILVER. 19 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5945-00-611-0912 still in active supply?

NSN 5945-00-611-0912 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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