PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SMB177071Relay,electromagnetic

Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir · NSN 5945-00-549-9712 · FSC 5945 · No Item Name Available
Verified by PartsTable
NSN 5945-00-549-9712 — this item is cataloged by the U.S. Government under National Stock Number 5945-00-549-9712. Primary manufacturer part number: SMB177071.
Features
  • Relay,electromagnetic — FSC 5945
  • Coil Quantity: 1
  • Duty Type: CONTINUOUS
  • Winding Quantity: 1
  • Environmental Protection: DUSTPROOF
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC) SINGLE MOUNTING FACILITY
  • Main Contact Load Current Rating at Maximum Rated Voltage: 15.0 AMPERES DC RESISTIVE LOAD
  • Thread Class: 2A SINGLE MOUNTING FACILITY A
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Relay,electromagnetic, cataloged under National Stock Number 5945-00-549-9712, 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 Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir. Government technical data includes 15 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. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5945-00-549-9712
Primary Part NumberSMB177071
Item NameRelay,electromagnetic
FSC / FSG5945 / 59 — No Item Name Available
ManufacturerUs Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
StatusACTIVE
Coil Quantity1
Duty TypeCONTINUOUS
Winding Quantity1
Environmental ProtectionDUSTPROOF
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE MOUNTING FACILITY
Main Contact Load Current Rating at Maximum Rated Voltage15.0 AMPERES DC RESISTIVE LOAD
Thread Class2A SINGLE MOUNTING FACILITY A
Center to Center Distance Between Mounting Facilities Parallel to the Altitude of an Isosceles Triangle1.187 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Mounting Facility PatternTRIANGLE SINGLE MOUNTING FACILITY
Mounting Facility Type and Quantity3 THREADED STUD(S) SINGLE MOUNTING FACILITY
Nonpile-Up Main Contact Arrangement2 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION
Main Contact Maximum Voltage Rating in Volts32.0 DC
Operating Voltage Rating and Type at Specified Temp29.0 VOLTS DC 25 DEG CELSIUS SINGLE WINDING
Nominal Thread Size0.138 INCHES SINGLE MOUNTING FACILITY IN
Terminal Type and Quantity6 PIN ALL FUNCTIONS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
5335-00-054-52732610-1 INTERCHANGEABLE
Wire Fabric
Oklahoma Steel & Wire Co Inc
5110-00-186-4203 INTERCHANGEABLE
Reamer,hand
5930-00-847-200826101 INTERCHANGEABLE
Switch,sensitive
Barksdale, Inc
6750-01-016-2222148-110 INTERCHANGEABLE
Fixing Bath,photographic
Molecular Gps Enterprises Dba Clayton Chemical
4820-01-200-0835261-01 INTERCHANGEABLE
Seat,valve
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
5930-01-222-976856798 INTERCHANGEABLE
Switch Assembly
Marco Seattle Inc Dba Marco
5998-01-310-211126-10-1 INTERCHANGEABLE
Holder,electrical Card
Schroff Inc
5965-01-631-409056798 INTERCHANGEABLE
Adapter,headset-Microphone
Naval Air Warfare Ctr Aircraft Div
7830-01-670-2010 INTERCHANGEABLE
Dumbbell,gymnastic
5325-01-718-411526101 INTERCHANGEABLE
Insert,screw Thread
Jergens Inc Div Tooling Components Division
Cross-Reference Index
Part NumberManufacturer
56798 Guardian Electric Manufacturing Co Div Guardian Electric Mfg Co (USA)
26101 American Measuring Instruments Corp (USA)
C-9450 Precision Switching Inc (USA)
A410-15798-00 Guardian Electric Manufacturing Co Div Guardian Electric Mfg Co (USA)
SMB177071 PRIMARY Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir (USA)
Related Parts
5335-00-054-5273INTERCHANGEABLE
WIRE FABRIC
2610-1
5110-00-186-4203INTERCHANGEABLE
REAMER,HAND
5930-00-847-2008INTERCHANGEABLE
SWITCH,SENSITIVE
26101
6750-01-016-2222INTERCHANGEABLE
FIXING BATH,PHOTOGRAPHIC
148-110
4820-01-200-0835INTERCHANGEABLE
SEAT,VALVE
261-01
5930-01-222-9768INTERCHANGEABLE
SWITCH ASSEMBLY
56798
5998-01-310-2111INTERCHANGEABLE
HOLDER,ELECTRICAL CARD
26-10-1
5965-01-631-4090INTERCHANGEABLE
ADAPTER,HEADSET-MICROPHONE
56798
7830-01-670-2010INTERCHANGEABLE
DUMBBELL,GYMNASTIC
5325-01-718-4115INTERCHANGEABLE
INSERT,SCREW THREAD
26101

Frequently Asked Questions

What is NSN 5945-00-549-9712?

NSN 5945-00-549-9712 is a Relay,electromagnetic, manufactured by Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir, classified under FSC 5945 (No Item Name Available). Status: active.

What are the part numbers for NSN 5945-00-549-9712?

NSN 5945-00-549-9712 has 5 cross-referenced part numbers: 56798 (Guardian Electric Manufacturing Co Div Guardian Electric Mfg Co), 26101 (American Measuring Instruments Corp), C-9450 (Precision Switching Inc), A410-15798-00 (Guardian Electric Manufacturing Co Div Guardian Electric Mfg Co), SMB177071 (Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir).

What NSN replaces 5945-00-549-9712?

There are 10 known substitutes for 5945-00-549-9712: 5335-00-054-5273, 5110-00-186-4203, 5930-00-847-2008 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of SMB177071?

Key specifications for SMB177071: Overall Height: 1.500 INCHES MAXIMUM IN; Coil Quantity: 1; Duty Type: CONTINUOUS; Winding Quantity: 1. 19 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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