PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1227-24Relay,electromagnetic

Stewart & Stevenson Power Products Llc · NSN 5945-00-636-8837 · FSC 5945 · No Item Name Available
Verified by PartsTable
NSN 5945-00-636-8837 — this item is cataloged by the U.S. Government under National Stock Number 5945-00-636-8837. Primary manufacturer part number: 1227-24.
Features
  • Relay,electromagnetic — FSC 5945
  • Operating Voltage Rating and Type at Specified Temp: 24.0 VOLTS DC 25 DEG CELSIUS SINGLE WINDING
  • Duty Type: CONTINUOUS
  • Mounting Facility Pattern: IN-LINE SINGLE MOUNTING FACILITY
  • Nonpile-Up Main Contact Arrangement: 1 POLE, SINGLE THROW, NORMALLY CLOSED, MOMENTARY ACTION
  • Winding Quantity: 1
  • Center to Center Distance Between Mounting Facilities Parallel to Length: 2.625 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
  • Main Contact Load Current Rating at Maximum Rated Voltage: 25.0 AMPERES DC RESISTIVE LOAD
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Relay,electromagnetic, cataloged under National Stock Number 5945-00-636-8837, 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 Stewart & Stevenson Power Products Llc. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 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
NSN5945-00-636-8837
Primary Part Number1227-24
Item NameRelay,electromagnetic
FSC / FSG5945 / 59 — No Item Name Available
ManufacturerStewart & Stevenson Power Products Llc
StatusACTIVE
Operating Voltage Rating and Type at Specified Temp24.0 VOLTS DC 25 DEG CELSIUS SINGLE WINDING
Duty TypeCONTINUOUS
Mounting Facility PatternIN-LINE SINGLE MOUNTING FACILITY
Nonpile-Up Main Contact Arrangement1 POLE, SINGLE THROW, NORMALLY CLOSED, MOMENTARY ACTION
Winding Quantity1
Center to Center Distance Between Mounting Facilities Parallel to Length2.625 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Main Contact Load Current Rating at Maximum Rated Voltage25.0 AMPERES DC RESISTIVE LOAD
Unthreaded Mounting Hole Diameter0.506 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Coil Quantity1
Winding DC Resistance Rating160.0 OHMS NOMINAL SINGLE WINDING
Main Contact Maximum Voltage Rating in Volts29.0 DC
Mounting Facility Type and Quantity2 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY
Nominal Operating Current Rating and Type150.0 MILLIAMPERES DC SINGLE WINDING
Terminal Type and Quantity4 PIN ALL FUNCTIONS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5998-00-128-77451673 INTERCHANGEABLE
Circuit Card Assembly
Susquehanna Precision Inc Div N/a
4320-00-142-27971673-1001 INTERCHANGEABLE
Pump,rotary
Itt Jabsco Products
6110-00-312-8525122724 INTERCHANGEABLE
Pile,carbon
Honeywell International, Inc Div Aerospace-Tucson
5330-00-383-8725855480 INTERCHANGEABLE
Gasket
Dana Off Highway Products, Llc
7640-00-629-8365 INTERCHANGEABLE
Globe,terrestrial
5815-00-732-0076 INTERCHANGEABLE
Clamp,lever
5340-00-741-856911077724-2 INTERCHANGEABLE
Ferrule,grooved Clamp Coupling
Us Army Aviation and Missile Command
5120-00-804-6059 INTERCHANGEABLE
Extractor,screw Thread Insert
5910-00-908-5498167-0003-001 INTERCHANGEABLE
Capacitor,variable,air Dielectri
Viking Technologies, Ltd.
5325-00-979-6886M1673 INTERCHANGEABLE
Ring,retaining
Aerosonic Llc
Cross-Reference Index
Part NumberManufacturer
1673 Stewart & Stevenson Power Products Llc (USA)
1227-24 Leach International Corp Div Leach International Corporation (USA)
1227-24 PRIMARY Stewart & Stevenson Power Products Llc (USA)
Related Parts
5998-00-128-7745INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
1673
4320-00-142-2797INTERCHANGEABLE
PUMP,ROTARY
1673-1001
6110-00-312-8525INTERCHANGEABLE
PILE,CARBON
122724
5330-00-383-8725INTERCHANGEABLE
GASKET
855480
7640-00-629-8365INTERCHANGEABLE
GLOBE,TERRESTRIAL
5815-00-732-0076INTERCHANGEABLE
CLAMP,LEVER
5340-00-741-8569INTERCHANGEABLE
FERRULE,GROOVED CLAMP COUPLING
11077724-2
5120-00-804-6059INTERCHANGEABLE
EXTRACTOR,SCREW THREAD INSERT
5910-00-908-5498INTERCHANGEABLE
CAPACITOR,VARIABLE,AIR DIELECTRI
167-0003-001
5325-00-979-6886INTERCHANGEABLE
RING,RETAINING
M1673
6130-01-069-8131INTERCHANGEABLE
POWER SUPPLY
5C4034-1
5930-01-105-4540INTERCHANGEABLE
SWITCH,ROTARY
1673

Frequently Asked Questions

What is NSN 5945-00-636-8837?

NSN 5945-00-636-8837 is a Relay,electromagnetic, manufactured by Stewart & Stevenson Power Products Llc, classified under FSC 5945 (No Item Name Available). Status: active.

What are the part numbers for NSN 5945-00-636-8837?

NSN 5945-00-636-8837 has 3 cross-referenced part numbers: 1673 (Stewart & Stevenson Power Products Llc), 1227-24 (Leach International Corp Div Leach International Corporation), 1227-24 (Stewart & Stevenson Power Products Llc).

What NSN replaces 5945-00-636-8837?

There are 12 known substitutes for 5945-00-636-8837: 5998-00-128-7745, 4320-00-142-2797, 6110-00-312-8525 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1227-24?

Key specifications for 1227-24: Operating Voltage Rating and Type at Specified Temp: 24.0 VOLTS DC 25 DEG CELSIUS SINGLE WINDING; Overall Height: 1.469 INCHES MINIMUM AND 1.531 INCHES MAXIMUM IN; Duty Type: CONTINUOUS; Mounting Facility Pattern: IN-LINE SINGLE MOUNTING FACILITY. 17 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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