PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

40304Relay,electromagnetic

Silver King Refrigeration Inc. · NSN 5945-00-929-4811 · FSC 5945 · No Item Name Available
Verified by PartsTable
NSN 5945-00-929-4811 — this item is cataloged by the U.S. Government under National Stock Number 5945-00-929-4811. Primary manufacturer part number: 40304.
Features
  • Relay,electromagnetic — FSC 5945
  • Thread Class: 2B SINGLE MOUNTING FACILITY
  • Duty Type: CONTINUOUS
  • Nonpile-Up Main Contact Arrangement: 2 POLE, DOUBLE THROW, ONE POSITION MOMENTARY
  • Main Contact Maximum Voltage Rating in Volts: 120.0 AC AND 30.0 DC
  • Terminal Type and Quantity: 8 SCREW ALL FUNCTIONS
  • Coil Quantity: 1
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC) SINGLE MOUNTING FACILITY
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Relay,electromagnetic, cataloged under National Stock Number 5945-00-929-4811, 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 Silver King Refrigeration Inc.. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 15 commercial cross-references from 11 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
NSN5945-00-929-4811
Primary Part Number40304
Item NameRelay,electromagnetic
FSC / FSG5945 / 59 — No Item Name Available
ManufacturerSilver King Refrigeration Inc.
StatusCANCELLED
Thread Class2B SINGLE MOUNTING FACILITY
Duty TypeCONTINUOUS
Nonpile-Up Main Contact Arrangement2 POLE, DOUBLE THROW, ONE POSITION MOMENTARY
Main Contact Maximum Voltage Rating in Volts120.0 AC AND 30.0 DC
Terminal Type and Quantity8 SCREW ALL FUNCTIONS
Coil Quantity1
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE MOUNTING FACILITY
Mounting Facility Type and Quantity1 THREADED HOLE(S) SINGLE MOUNTING FACILITY
Winding Quantity1
Thread Quantity Per Inch32 SINGLE MOUNTING FACILITY
Main Contact Load Current Rating at Maximum Rated Voltage5.0 AMPERES AC AND 300.0 MILLIAMPERES DC RESISTIVE LOAD
Operating Voltage Rating and Type at Specified Temp26.5 VOLTS DC 25 DEG CELSIUS SINGLE WINDING
Environmental ProtectionDUSTPROOF
Nominal Thread Size0.164 INCHES SINGLE MOUNTING FACILITY IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
2540-00-047-4197191670 INTERCHANGEABLE
Pad,pedal
Fwd Seagrave Holdings Lp
5835-00-055-0953 INTERCHANGEABLE
Head,magnetic
2915-00-098-9010 INTERCHANGEABLE
Distributor,engine
5325-00-141-40052700-2 INTERCHANGEABLE
Stud Assembly,turnlock Fastener
Howmet Global Fastening Systems Inc Div Camloc Products
4720-00-145-6212P10-5535 INTERCHANGEABLE
Hose,preformed
Donaldson Company, Inc.
8415-00-163-9048 INTERCHANGEABLE
Pad,helmet Chin Strap
5365-00-165-604027002 INTERCHANGEABLE
Bushing,machine Thread
Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.
1680-00-180-679516941 INTERCHANGEABLE
Cover,main Release
Kidde Technologies, Inc Div Kidde Aerospace and Defense
5120-00-223-7397 INTERCHANGEABLE
Pliers,slip Joint
4720-00-283-641327002 INTERCHANGEABLE
Hose,nonmetallic
Gates Corporation
Cross-Reference Index
Part NumberManufacturer
9660-040-125 Sensata Technologies, Inc. Div Sensata Attleboro (USA)
107038A Norris Dispenser Company (USA)
16941 Oasis Corp (USA)
3ARR12PB9 Communications Instruments Inc Div of Cii Technologies (USA)
9660-040-125 Tecumseh Products Company Llc Div Tecumseh Compressor Co. Llc (USA)
40304 PRIMARY Silver King Refrigeration Inc. (USA)
B41676-6 Gs Laboratory Equipment Inc a Unit of General Signal Revco Scientific (USA)
3ARR12PB9 Genicom Corp (USA)
172-004 Davis Products Co (USA)
82404 Sunroc Corp (USA)
172-003 Davis Products Co (USA)
82611 Sunroc Corp (USA)
40304 Norris Dispenser Company (USA)
27002 Motors and Armatures Inc (USA)
82404 Tecumseh Products Company Llc Div Tecumseh Compressor Co. Llc (USA)
Related Parts
2540-00-047-4197INTERCHANGEABLE
PAD,PEDAL
191670
5835-00-055-0953INTERCHANGEABLE
HEAD,MAGNETIC
2915-00-098-9010INTERCHANGEABLE
DISTRIBUTOR,ENGINE
5325-00-141-4005INTERCHANGEABLE
STUD ASSEMBLY,TURNLOCK FASTENER
2700-2
4720-00-145-6212INTERCHANGEABLE
HOSE,PREFORMED
P10-5535
8415-00-163-9048INTERCHANGEABLE
PAD,HELMET CHIN STRAP
5365-00-165-6040INTERCHANGEABLE
BUSHING,MACHINE THREAD
27002
1680-00-180-6795INTERCHANGEABLE
COVER,MAIN RELEASE
16941
5120-00-223-7397INTERCHANGEABLE
PLIERS,SLIP JOINT
4720-00-283-6413INTERCHANGEABLE
HOSE,NONMETALLIC
27002
8030-00-292-1102INTERCHANGEABLE
ANTISEIZE COMPOUND
7099277P001
4140-00-325-5395INTERCHANGEABLE
IMPELLER,FAN,AXIAL

Frequently Asked Questions

What is NSN 5945-00-929-4811?

NSN 5945-00-929-4811 is a Relay,electromagnetic, manufactured by Silver King Refrigeration Inc., classified under FSC 5945 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5945-00-929-4811?

NSN 5945-00-929-4811 has 15 cross-referenced part numbers: 9660-040-125 (Sensata Technologies, Inc. Div Sensata Attleboro), 107038A (Norris Dispenser Company), 16941 (Oasis Corp), 3ARR12PB9 (Communications Instruments Inc Div of Cii Technologies), 9660-040-125 (Tecumseh Products Company Llc Div Tecumseh Compressor Co. Llc) and 10 more.

What NSN replaces 5945-00-929-4811?

There are 12 known substitutes for 5945-00-929-4811: 2540-00-047-4197, 5835-00-055-0953, 2915-00-098-9010 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 40304?

Key specifications for 40304: Overall Height: 1.500 INCHES NOMINAL IN; Thread Class: 2B SINGLE MOUNTING FACILITY; Duty Type: CONTINUOUS; Nonpile-Up Main Contact Arrangement: 2 POLE, DOUBLE THROW, ONE POSITION MOMENTARY. 17 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5945-00-929-4811 still in active supply?

NSN 5945-00-929-4811 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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