PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

40308Relay,electromagnetic

Norris Dispenser Company · NSN 5945-01-171-5433 · FSC 5945 · No Item Name Available
Verified by PartsTable
NSN 5945-01-171-5433 — this item is cataloged by the U.S. Government under National Stock Number 5945-01-171-5433. Primary manufacturer part number: 40308.
Features
  • Relay,electromagnetic — FSC 5945
  • Mounting Facility Type and Quantity: 1 PLUG-IN TERMINAL(S) SINGLE MOUNTING FACILITY
  • Purpose for Which Designed: GENERAL
  • Duty Type: CONTINUOUS
  • Arc Quenching Method: AIR
  • Coil Quantity: 1
  • Winding Quantity: 1
  • Fragility Factor: MODERATELY RUGGED
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
  • Applications requiring Plastic Case construction
General Description

The Relay,electromagnetic, cataloged under National Stock Number 5945-01-171-5433, 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 Norris Dispenser Company. Government technical data includes 13 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5945-01-171-5433
Primary Part Number40308
Item NameRelay,electromagnetic
FSC / FSG5945 / 59 — No Item Name Available
ManufacturerNorris Dispenser Company
StatusACTIVE
Mounting Facility Type and Quantity1 PLUG-IN TERMINAL(S) SINGLE MOUNTING FACILITY
Purpose for Which DesignedGENERAL
Duty TypeCONTINUOUS
Arc Quenching MethodAIR
Coil Quantity1
Winding Quantity1
Fragility FactorMODERATELY RUGGED
Cubic Measure8.438 CUBIC INCHES
Storage TypeGENERAL PURPOSE WAREHOUSE
Nonpile-Up Main Contact Arrangement1 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION
Operating Voltage Rating and Type at Specified Temp115.0 VOLTS AC 25 DEG CELSIUS SINGLE WINDING
MaterialPLASTIC CASE
Terminal Type and Quantity4 PIN ALL FUNCTIONS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4010-00-071-087640308 INTERCHANGEABLE
Wire Rope Assembly,single Leg
Acco-Babcock Inc Hoist and Crane Div
3020-00-232-7508 INTERCHANGEABLE
Gear,spur
5306-00-276-956727005 INTERCHANGEABLE
Bolt,machine
Chicago Steel Tape Co Inc Berger Instruments Co Inc
3020-00-287-728540308 INTERCHANGEABLE
Gear,spur
Napco International Llc Dba Napco International Inc
5307-00-486-568138406 INTERCHANGEABLE
Stud,plain
Northwestern Tools, Inc.
5365-00-634-903227005 INTERCHANGEABLE
Spacer,ring
Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.
5325-00-641-03772700-5 INTERCHANGEABLE
Stud Assembly,turnlock Fastener
Howmet Global Fastening Systems Inc Div Camloc Products
3010-00-771-483840308 INTERCHANGEABLE
Shaft,control
Reidville Hydraulics & Mfg Inc
3040-00-773-305340311 INTERCHANGEABLE
Disc,brake
Mas Components & Coatings, Llc Dba Mas Components & Coatings Llc
5133-01-095-6717 INTERCHANGEABLE
Drill,twist
Cross-Reference Index
Part NumberManufacturer
40308 Norris Dispenser Company (USA)
820RR12A33 Tecumseh Products Company Llc Div Tecumseh Compressor Co. Llc (USA)
3ARR12PB254 General Electric Co Appliance Control Dept (USA)
8209660A32 Tecumseh Products Company Llc Div Tecumseh Compressor Co. Llc (USA)
27005 Motors and Armatures Inc (USA)
Related Parts
4010-00-071-0876INTERCHANGEABLE
WIRE ROPE ASSEMBLY,SINGLE LEG
40308
3020-00-232-7508INTERCHANGEABLE
GEAR,SPUR
5306-00-276-9567INTERCHANGEABLE
BOLT,MACHINE
27005
3020-00-287-7285INTERCHANGEABLE
GEAR,SPUR
40308
5307-00-486-5681INTERCHANGEABLE
STUD,PLAIN
38406
5365-00-634-9032INTERCHANGEABLE
SPACER,RING
27005
5325-00-641-0377INTERCHANGEABLE
STUD ASSEMBLY,TURNLOCK FASTENER
2700-5
3010-00-771-4838INTERCHANGEABLE
SHAFT,CONTROL
40308
3040-00-773-3053INTERCHANGEABLE
DISC,BRAKE
40311
5133-01-095-6717INTERCHANGEABLE
DRILL,TWIST
5360-01-189-3606INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
27005
5945-01-195-6763INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
40308

Frequently Asked Questions

What is NSN 5945-01-171-5433?

NSN 5945-01-171-5433 is a Relay,electromagnetic, manufactured by Norris Dispenser Company, classified under FSC 5945 (No Item Name Available). Status: active.

What are the part numbers for NSN 5945-01-171-5433?

NSN 5945-01-171-5433 has 5 cross-referenced part numbers: 40308 (Norris Dispenser Company), 820RR12A33 (Tecumseh Products Company Llc Div Tecumseh Compressor Co. Llc), 3ARR12PB254 (General Electric Co Appliance Control Dept), 8209660A32 (Tecumseh Products Company Llc Div Tecumseh Compressor Co. Llc), 27005 (Motors and Armatures Inc).

What NSN replaces 5945-01-171-5433?

There are 12 known substitutes for 5945-01-171-5433: 4010-00-071-0876, 3020-00-232-7508, 5306-00-276-9567 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 40308?

Key specifications for 40308: Mounting Facility Type and Quantity: 1 PLUG-IN TERMINAL(S) SINGLE MOUNTING FACILITY; Purpose for Which Designed: GENERAL; Duty Type: CONTINUOUS; Arc Quenching Method: AIR. 16 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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