PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

165021Relay,electromagnetic

Telemechanics Inc · NSN 5945-00-894-3804 · FSC 5945 · No Item Name Available
Verified by PartsTable
NSN 5945-00-894-3804 — this item is cataloged by the U.S. Government under National Stock Number 5945-00-894-3804. Primary manufacturer part number: 165021.
Features
  • Relay,electromagnetic — FSC 5945
  • Winding Quantity: 1
  • Mounting Facility Type and Quantity: 2 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY
  • Center to Center Distance Between Mounting Facilities Parallel to Length: 1.094 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
  • Coil Quantity: 1
  • Duty Type: CONTINUOUS
  • Pile-Up Main Contact Form Arrangement: 6A AND 4C AND 2D A
  • Unthreaded Mounting Hole Diameter: 0.138 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 5945-00-894-3804, 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 Telemechanics Inc. Government technical data includes 12 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5945-00-894-3804
Primary Part Number165021
Item NameRelay,electromagnetic
FSC / FSG5945 / 59 — No Item Name Available
ManufacturerTelemechanics Inc
StatusCANCELLED
Winding Quantity1
Mounting Facility Type and Quantity2 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY
Center to Center Distance Between Mounting Facilities Parallel to Length1.094 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Coil Quantity1
Duty TypeCONTINUOUS
Pile-Up Main Contact Form Arrangement6A AND 4C AND 2D A
Unthreaded Mounting Hole Diameter0.138 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Nominal Operating Current Rating and Type10.6 MILLIAMPERES DC SINGLE WINDING
Mounting Facility PatternIN-LINE SINGLE MOUNTING FACILITY
Operating Voltage Rating and Type at Specified Temp48.0 VOLTS DC 25 DEG CELSIUS SINGLE WINDING
Terminal Type and Quantity32 PIN ALL FUNCTIONS
Winding DC Resistance Rating2.5 KILOHMS NOMINAL SINGLE WINDING
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 3
5120-00-181-6747 INTERCHANGEABLE
Crowfoot Attachment,socket Wrenc
2940-00-350-929942590 INTERCHANGEABLE
Filter Element,intake Air Cleane
Wix Corp
5950-00-518-1138S2382 INTERCHANGEABLE
Transformer,power
Magnetika Inc
Cross-Reference Index
Part NumberManufacturer
165021 At and T Corp (USA)
AF64 Lucent Technologies Inc Corporate Headquarters (USA)
AF64RELAY American Telephone and Telegraph Co (USA)
AF64 American Telephone and Telegraph Co (USA)
165021 PRIMARY Telemechanics Inc (USA)
Related Parts
5120-00-181-6747INTERCHANGEABLE
CROWFOOT ATTACHMENT,SOCKET WRENC
2940-00-350-9299INTERCHANGEABLE
FILTER ELEMENT,INTAKE AIR CLEANE
42590
5950-00-518-1138INTERCHANGEABLE
TRANSFORMER,POWER
S2382

Frequently Asked Questions

What is NSN 5945-00-894-3804?

NSN 5945-00-894-3804 is a Relay,electromagnetic, manufactured by Telemechanics Inc, classified under FSC 5945 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5945-00-894-3804?

NSN 5945-00-894-3804 has 5 cross-referenced part numbers: 165021 (At and T Corp), AF64 (Lucent Technologies Inc Corporate Headquarters), AF64RELAY (American Telephone and Telegraph Co), AF64 (American Telephone and Telegraph Co), 165021 (Telemechanics Inc).

What NSN replaces 5945-00-894-3804?

There are 3 known substitutes for 5945-00-894-3804: 5120-00-181-6747, 2940-00-350-9299, 5950-00-518-1138. Verify interchangeability with system specifications before substitution.

What are the specifications of 165021?

Key specifications for 165021: Winding Quantity: 1; Mounting Facility Type and Quantity: 2 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY; Center to Center Distance Between Mounting Facilities Parallel to Length: 1.094 INCHES NOMINAL SINGLE MOUNTING FACILITY IN; Coil Quantity: 1. 15 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5945-00-894-3804 still in active supply?

NSN 5945-00-894-3804 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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