PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

91252-451Relay,electromagnetic

Emerson Electric Co White-Rodgers Div · NSN 5945-01-035-5439 · FSC 5945 · No Item Name Available
Verified by PartsTable
NSN 5945-01-035-5439 — this item is cataloged by the U.S. Government under National Stock Number 5945-01-035-5439. Primary manufacturer part number: 91252-451.
Features
  • Relay,electromagnetic — FSC 5945
  • Frequency in Hertz: 60.0 NOMINAL
  • Winding Quantity: 2
  • Nominal Operating Current Rating and Type: 3.9 AMPERES AC ALL WINDINGS
  • Nonpile-Up Main Contact Arrangement: 1 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION
  • Coil Quantity: 2
  • Environmental Protection: DUSTPROOF
  • Features Provided: LATCHING CONTACTS
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Relay,electromagnetic, cataloged under National Stock Number 5945-01-035-5439, 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 Emerson Electric Co White-Rodgers Div. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 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
NSN5945-01-035-5439
Primary Part Number91252-451
Item NameRelay,electromagnetic
FSC / FSG5945 / 59 — No Item Name Available
ManufacturerEmerson Electric Co White-Rodgers Div
StatusACTIVE
Frequency in Hertz60.0 NOMINAL
Winding Quantity2
Nominal Operating Current Rating and Type3.9 AMPERES AC ALL WINDINGS
Nonpile-Up Main Contact Arrangement1 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION
Coil Quantity2
Environmental ProtectionDUSTPROOF
Features ProvidedLATCHING CONTACTS
Mounting Facility PatternIN-LINE SINGLE MOUNTING FACILITY
Center to Center Distance Between Mounting Facilities Parallel to Length2.156 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Terminal Type and Quantity3 SCREW ALL FUNCTIONS
Mounting Facility Type and Quantity2 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY
Duty TypeCONTINUOUS
Operating Voltage Rating and Type at Specified Temp115.0 VOLTS AC 25 DEG CELSIUS ALL WINDINGS
Unthreaded Mounting Hole Diameter0.150 INCHES MINIMUM AND 0.155 INCHES MAXIMUM SINGLE MOUNTING FACILITY IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5120-00-087-0697 INTERCHANGEABLE
Socket,socket Wrench
5950-00-087-7244668-0006-00 INTERCHANGEABLE
Reactor
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
6640-00-100-723510-316B INTERCHANGEABLE
Forceps,utility,laboratory
Fisher Scientific Company L.l.c.
4820-00-175-881310316 INTERCHANGEABLE
Disk,valve
Northrop Grumman Systems Corporation Div Marine Systems
5330-00-292-1581PGF3216 INTERCHANGEABLE
Seal,plain Encased
Volvo Construction Equipment North America, Llc
3040-00-392-7909SM-C-157434 INTERCHANGEABLE
Lever,manual Control
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
3110-00-554-3291 INTERCHANGEABLE
Bearing,ball,annular
5999-00-789-4473 INTERCHANGEABLE
Mounting Pad,electrical-Electron
4935-00-790-908610316 INTERCHANGEABLE
Network
Drs C3 & Aviation Company Dba Drs Data & Imaging Systems
5315-00-949-4052103-16 INTERCHANGEABLE
Pin,straight,headless
Dukes Aerospace, Inc.
Cross-Reference Index
Part NumberManufacturer
91252-451 Emerson Electric Co White-Rodgers Div (USA)
5945PL0775259 Jednolity Indeks Materialowy - Uniform Material Index (POL)
10316 Munters Corporation Dba Munters Des Champs Products Div Cargocaire (USA)
4CR-1-639 Sensata Technologies, Inc. Div Sensata Attleboro (USA)
91252-451 Te Connectivity Corporation (USA)
Related Parts
5120-00-087-0697INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5950-00-087-7244INTERCHANGEABLE
REACTOR
668-0006-00
6640-00-100-7235INTERCHANGEABLE
FORCEPS,UTILITY,LABORATORY
10-316B
4820-00-175-8813INTERCHANGEABLE
DISK,VALVE
10316
5330-00-292-1581INTERCHANGEABLE
SEAL,PLAIN ENCASED
PGF3216
3040-00-392-7909INTERCHANGEABLE
LEVER,MANUAL CONTROL
SM-C-157434
3110-00-554-3291INTERCHANGEABLE
BEARING,BALL,ANNULAR
5999-00-789-4473INTERCHANGEABLE
MOUNTING PAD,ELECTRICAL-ELECTRON
4935-00-790-9086INTERCHANGEABLE
NETWORK
10316
5315-00-949-4052INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
103-16
5133-00-988-5703INTERCHANGEABLE
DRILL,TWIST
C70015
5325-01-129-7488INTERCHANGEABLE
RING,RETAINING

Frequently Asked Questions

What is NSN 5945-01-035-5439?

NSN 5945-01-035-5439 is a Relay,electromagnetic, manufactured by Emerson Electric Co White-Rodgers Div, classified under FSC 5945 (No Item Name Available). Status: active.

What are the part numbers for NSN 5945-01-035-5439?

NSN 5945-01-035-5439 has 5 cross-referenced part numbers: 91252-451 (Emerson Electric Co White-Rodgers Div), 5945PL0775259 (Jednolity Indeks Materialowy - Uniform Material Index), 10316 (Munters Corporation Dba Munters Des Champs Products Div Cargocaire), 4CR-1-639 (Sensata Technologies, Inc. Div Sensata Attleboro), 91252-451 (Te Connectivity Corporation).

What NSN replaces 5945-01-035-5439?

There are 12 known substitutes for 5945-01-035-5439: 5120-00-087-0697, 5950-00-087-7244, 6640-00-100-7235 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 91252-451?

Key specifications for 91252-451: Frequency in Hertz: 60.0 NOMINAL; Winding Quantity: 2; Nominal Operating Current Rating and Type: 3.9 AMPERES AC ALL WINDINGS; Nonpile-Up Main Contact Arrangement: 1 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION. 18 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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