PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

81695Relay,electromagnetic

Hydro-Aire Aerospace Corp · NSN 5945-00-949-9012 · FSC 5945 · No Item Name Available
Verified by PartsTable
NSN 5945-00-949-9012 — this item is cataloged by the U.S. Government under National Stock Number 5945-00-949-9012. Primary manufacturer part number: 81695.
Features
  • Relay,electromagnetic — FSC 5945
  • Terminal Type and Quantity: 4 PIN ALL FUNCTIONS
  • Nominal Thread Size: 0.138 INCHES SINGLE MOUNTING FACILITY IN
  • Coil Quantity: 1
  • Main Contact Load Current Rating at Maximum Rated Voltage: 50.0 AMPERES DC RESISTIVE LOAD
  • Thread Class: 2B SINGLE MOUNTING FACILITY
  • Winding Quantity: 1
  • Center to Center Distance Between Mounting Facilities Parallel to the Altitude of an Isosceles Triangle: 1.187 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Relay,electromagnetic, cataloged under National Stock Number 5945-00-949-9012, 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 Hydro-Aire Aerospace Corp. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5945-00-949-9012
Primary Part Number81695
Item NameRelay,electromagnetic
FSC / FSG5945 / 59 — No Item Name Available
ManufacturerHydro-Aire Aerospace Corp
StatusACTIVE
Terminal Type and Quantity4 PIN ALL FUNCTIONS
Nominal Thread Size0.138 INCHES SINGLE MOUNTING FACILITY IN
Coil Quantity1
Main Contact Load Current Rating at Maximum Rated Voltage50.0 AMPERES DC RESISTIVE LOAD
Thread Class2B SINGLE MOUNTING FACILITY
Winding Quantity1
Center to Center Distance Between Mounting Facilities Parallel to the Altitude of an Isosceles Triangle1.187 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Duty TypeCONTINUOUS
Main Contact Maximum Voltage Rating in Volts30.0 DC
Environmental ProtectionHERMETIC
Mounting Facility PatternTRIANGLE SINGLE MOUNTING FACILITY
Winding DC Resistance Rating200.0 OHMS NOMINAL SINGLE WINDING
Nonpile-Up Main Contact Arrangement1 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE MOUNTING FACILITY
Operating Voltage Rating and Type at Specified Temp28.0 VOLTS DC 25 DEG CELSIUS SINGLE WINDING
Mounting Facility Type and Quantity3 THREADED HOLE(S) SINGLE MOUNTING FACILITY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5815-00-125-831681895 INTERCHANGEABLE
Post,anchor
Telemechanics Inc
6515-01-526-1175T-POD COMBAT INTERCHANGEABLE
Support,pelvic
Bound Tree Medical Llc Div Bound Tree Medical
Cross-Reference Index
Part NumberManufacturer
MBH-1925 Precision Switching Inc (USA)
11DHSX15A Se Relays Llc (magnecraft) Div Se Relays Llc (magnecraft) (USA)
81695 PRIMARY Hydro-Aire Aerospace Corp (USA)
11DHSX15B Se Relays Llc (magnecraft) Div Se Relays Llc (magnecraft) (USA)
11DHSX15 Se Relays Llc (magnecraft) Div Se Relays Llc (magnecraft) (USA)
MBH-1925 National Patent Analytical Systems, Inc (USA)
Related Parts
5815-00-125-8316INTERCHANGEABLE
POST,ANCHOR
81895
6515-01-526-1175INTERCHANGEABLE
SUPPORT,PELVIC
T-POD COMBAT

Frequently Asked Questions

What is NSN 5945-00-949-9012?

NSN 5945-00-949-9012 is a Relay,electromagnetic, manufactured by Hydro-Aire Aerospace Corp, classified under FSC 5945 (No Item Name Available). Status: active.

What are the part numbers for NSN 5945-00-949-9012?

NSN 5945-00-949-9012 has 6 cross-referenced part numbers: MBH-1925 (Precision Switching Inc), 11DHSX15A (Se Relays Llc (magnecraft) Div Se Relays Llc (magnecraft)), 81695 (Hydro-Aire Aerospace Corp), 11DHSX15B (Se Relays Llc (magnecraft) Div Se Relays Llc (magnecraft)), 11DHSX15 (Se Relays Llc (magnecraft) Div Se Relays Llc (magnecraft)) and 1 more.

What NSN replaces 5945-00-949-9012?

There are 2 known substitutes for 5945-00-949-9012: 5815-00-125-8316, 6515-01-526-1175. Verify interchangeability with system specifications before substitution.

What are the specifications of 81695?

Key specifications for 81695: Terminal Type and Quantity: 4 PIN ALL FUNCTIONS; Nominal Thread Size: 0.138 INCHES SINGLE MOUNTING FACILITY IN; Coil Quantity: 1; Overall Height: 1.610 INCHES NOMINAL IN. 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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