PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

275-80Relay,electromagnetic

Crane Carrier Company, Llc · NSN 5945-01-503-8644 · FSC 5945 · No Item Name Available
Verified by PartsTable
NSN 5945-01-503-8644 — this item is cataloged by the U.S. Government under National Stock Number 5945-01-503-8644. Primary manufacturer part number: 275-80.
Features
  • Relay,electromagnetic — FSC 5945
  • Mounting Facility Type and Quantity: 4 SLOTTED HOLE SINGLE MOUNTING FACILITY
  • Main Contact Load Current Rating at Maximum Rated Voltage: 100.0 AMPERES DC RESISTIVE LOAD
  • Center to Center Distance Between Mounting Facilities Parallel to Height: 0.900 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
  • Winding DC Resistance Rating: 26.0 OHMS NOMINAL SINGLE WINDING
  • Operating Voltage Rating and Type at Specified Temp: 14.0 VOLTS DC 25 DEG CELSIUS SINGLE WINDING
  • Mounting Facility Pattern: RECTANGULAR SINGLE MOUNTING FACILITY
  • Nonpile-Up Main Contact Arrangement: 1 POLE, SINGLE THROW, NORMALLY OPEN, DOUBLE MAKE, MOMENTARY ACTION
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Relay,electromagnetic, cataloged under National Stock Number 5945-01-503-8644, 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 Crane Carrier Company, Llc. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5945-01-503-8644
Primary Part Number275-80
Item NameRelay,electromagnetic
FSC / FSG5945 / 59 — No Item Name Available
ManufacturerCrane Carrier Company, Llc
StatusACTIVE
Mounting Facility Type and Quantity4 SLOTTED HOLE SINGLE MOUNTING FACILITY
Main Contact Load Current Rating at Maximum Rated Voltage100.0 AMPERES DC RESISTIVE LOAD
Center to Center Distance Between Mounting Facilities Parallel to Height0.900 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Winding DC Resistance Rating26.0 OHMS NOMINAL SINGLE WINDING
Operating Voltage Rating and Type at Specified Temp14.0 VOLTS DC 25 DEG CELSIUS SINGLE WINDING
Mounting Facility PatternRECTANGULAR SINGLE MOUNTING FACILITY
Nonpile-Up Main Contact Arrangement1 POLE, SINGLE THROW, NORMALLY OPEN, DOUBLE MAKE, MOMENTARY ACTION
Winding Quantity1
Terminal Type and Quantity4 THREADED STUD ALL FUNCTIONS
Coil Quantity1
Duty TypeCONTINUOUS
Mounting Slot Width0.280 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5331-01-414-164927580 INTERCHANGEABLE
O-Ring
Tyco Fire Products Lp
3040-01-420-6930 INTERCHANGEABLE
Shaft,shouldered
5310-01-533-5671L140125-12 INTERCHANGEABLE
Washer,flat
Bae Systems Information & Electronic Systems Integration Inc.
6515-01-600-497120-510 INTERCHANGEABLE
Chest Trauma Kit
Combat Medical Systems Llc
Cross-Reference Index
Part NumberManufacturer
B275-80 Crane Carrier Company, Llc (USA)
275-80 PRIMARY Crane Carrier Company, Llc (USA)
Related Parts
5331-01-414-1649INTERCHANGEABLE
O-RING
27580
3040-01-420-6930INTERCHANGEABLE
SHAFT,SHOULDERED
5310-01-533-5671INTERCHANGEABLE
WASHER,FLAT
L140125-12
6515-01-600-4971INTERCHANGEABLE
CHEST TRAUMA KIT
20-510

Frequently Asked Questions

What is NSN 5945-01-503-8644?

NSN 5945-01-503-8644 is a Relay,electromagnetic, manufactured by Crane Carrier Company, Llc, classified under FSC 5945 (No Item Name Available). Status: active.

What are the part numbers for NSN 5945-01-503-8644?

NSN 5945-01-503-8644 has 2 cross-referenced part numbers: B275-80 (Crane Carrier Company, Llc), 275-80 (Crane Carrier Company, Llc).

What NSN replaces 5945-01-503-8644?

There are 4 known substitutes for 5945-01-503-8644: 5331-01-414-1649, 3040-01-420-6930, 5310-01-533-5671 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 275-80?

Key specifications for 275-80: Mounting Facility Type and Quantity: 4 SLOTTED HOLE SINGLE MOUNTING FACILITY; Main Contact Load Current Rating at Maximum Rated Voltage: 100.0 AMPERES DC RESISTIVE LOAD; Center to Center Distance Between Mounting Facilities Parallel to Height: 0.900 INCHES NOMINAL SINGLE MOUNTING FACILITY IN; End Item Identification: NSN 2320-01-452-5579, TRUCK TRACTOR. 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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