PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

HC1Relay,electromagnetic

Te Connectivity Corporation · NSN 5945-00-690-1698 · FSC 5945 · No Item Name Available
Verified by PartsTable
NSN 5945-00-690-1698 — this item is cataloged by the U.S. Government under National Stock Number 5945-00-690-1698. Primary manufacturer part number: HC1.
Features
  • Relay,electromagnetic — FSC 5945
  • Winding DC Resistance Rating: 333.0 OHMS NOMINAL SINGLE WINDING
  • Terminal Type and Quantity: 5 TURRET ALL FUNCTIONS
  • Coil Quantity: 1
  • Nonpile-Up Main Contact Arrangement: 1 POLE, DOUBLE THROW, ONE POSITION MOMENTARY
  • Nominal Thread Size: 0.562 INCHES SINGLE MOUNTING FACILITY IN
  • Duty Type: CONTINUOUS
  • Thread Series Designator: UN SINGLE MOUNTING FACILITY
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Relay,electromagnetic, cataloged under National Stock Number 5945-00-690-1698, 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 Te Connectivity Corporation. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 10 commercial cross-references from 9 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
NSN5945-00-690-1698
Primary Part NumberHC1
Item NameRelay,electromagnetic
FSC / FSG5945 / 59 — No Item Name Available
ManufacturerTe Connectivity Corporation
StatusCANCELLED
Winding DC Resistance Rating333.0 OHMS NOMINAL SINGLE WINDING
Terminal Type and Quantity5 TURRET ALL FUNCTIONS
Coil Quantity1
Nonpile-Up Main Contact Arrangement1 POLE, DOUBLE THROW, ONE POSITION MOMENTARY
Nominal Thread Size0.562 INCHES SINGLE MOUNTING FACILITY IN
Duty TypeCONTINUOUS
Thread Series DesignatorUN SINGLE MOUNTING FACILITY
Environmental ProtectionHERMETIC
Main Contact Maximum Voltage Rating in Volts2.5 DC
Winding Quantity1
Thread Class2A SINGLE MOUNTING FACILITY A
Operating Voltage Rating and Type at Specified Temp26.5 VOLTS DC 25 DEG CELSIUS SINGLE WINDING
Main Contact Load Current Rating at Maximum Rated Voltage18.0 AMPERES DC RESISTIVE LOAD
Mounting Facility Type and Quantity1 THREADED BUSHING SINGLE MOUNTING FACILITY
Thread Quantity Per Inch28 SINGLE MOUNTING FACILITY
Overall Diameter0.920 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 3
5315-00-527-2530HC1 INTERCHANGEABLE
Staple
Decker Manufacturing Company
9540-00-542-2743 INTERCHANGEABLE
Channel,structural
8145-01-606-28831-HFR-12 INTERCHANGEABLE
Contain Support Pkg
Sesolinc Grp, Inc. Dba Sesolinc Group Inc
Cross-Reference Index
Part NumberManufacturer
VR311 Siemens S.a.s (FRA)
11290032 Ballistic Missile Defense Systems Command (USA)
RJ1A Jennings Technology Company Llc Dba Jennings (USA)
4-27-06081M Bastogi Sistemi Spa (ITA)
RJ1A Tdk Electronics Ag (DEU)
HC1 PRIMARY Te Connectivity Corporation (USA)
Q37-X311 Siemens S.a.s (FRA)
RJ1A Epcos Ag Abt. Pr Roe K Pm (DEU)
10185978 Us Army Aviation and Missile Command (USA)
45275044 Thales Communications (FRA)
Related Parts
5315-00-527-2530INTERCHANGEABLE
STAPLE
HC1
9540-00-542-2743INTERCHANGEABLE
CHANNEL,STRUCTURAL
8145-01-606-2883INTERCHANGEABLE
CONTAIN SUPPORT PKG
1-HFR-12

Frequently Asked Questions

What is NSN 5945-00-690-1698?

NSN 5945-00-690-1698 is a Relay,electromagnetic, manufactured by Te Connectivity Corporation, classified under FSC 5945 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5945-00-690-1698?

NSN 5945-00-690-1698 has 10 cross-referenced part numbers: VR311 (Siemens S.a.s), 11290032 (Ballistic Missile Defense Systems Command), RJ1A (Jennings Technology Company Llc Dba Jennings), 4-27-06081M (Bastogi Sistemi Spa), RJ1A (Tdk Electronics Ag) and 5 more.

What NSN replaces 5945-00-690-1698?

There are 3 known substitutes for 5945-00-690-1698: 5315-00-527-2530, 9540-00-542-2743, 8145-01-606-2883. Verify interchangeability with system specifications before substitution.

What are the specifications of HC1?

Key specifications for HC1: Winding DC Resistance Rating: 333.0 OHMS NOMINAL SINGLE WINDING; Terminal Type and Quantity: 5 TURRET ALL FUNCTIONS; Overall Length: 1.440 INCHES NOMINAL IN; Coil Quantity: 1. 17 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5945-00-690-1698 still in active supply?

NSN 5945-00-690-1698 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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