PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B503700001Relay,electromagnetic

Kearfott Corporation Div Guidance and Navigation Division · NSN 5945-00-413-1217 · FSC 5945 · No Item Name Available
Verified by PartsTable
NSN 5945-00-413-1217 — this item is cataloged by the U.S. Government under National Stock Number 5945-00-413-1217. Primary manufacturer part number: B503700001.
Features
  • Relay,electromagnetic — FSC 5945
  • Terminal Type and Quantity: 8 PIN ALL FUNCTIONS
  • Mounting Facility Type and Quantity: 4 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY
  • Environmental Protection: HERMETIC
  • Winding Quantity: 1
  • Unthreaded Mounting Hole Diameter: 0.173 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
  • Main Contact Maximum Voltage Rating in Volts: 115.0 AC AND 28.0 DC
  • Nonpile-Up Main Contact Arrangement: 2 POLE, DOUBLE THROW, ONE POSITION MOMENTARY
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Relay,electromagnetic, cataloged under National Stock Number 5945-00-413-1217, 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 Kearfott Corporation Div Guidance and Navigation Division. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5945-00-413-1217
Primary Part NumberB503700001
Item NameRelay,electromagnetic
FSC / FSG5945 / 59 — No Item Name Available
ManufacturerKearfott Corporation Div Guidance and Navigation Division
StatusCANCELLED
Terminal Type and Quantity8 PIN ALL FUNCTIONS
Mounting Facility Type and Quantity4 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY
Environmental ProtectionHERMETIC
Winding Quantity1
Unthreaded Mounting Hole Diameter0.173 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Main Contact Maximum Voltage Rating in Volts115.0 AC AND 28.0 DC
Nonpile-Up Main Contact Arrangement2 POLE, DOUBLE THROW, ONE POSITION MOMENTARY
Main Contact Load Current Rating at Maximum Rated Voltage5.0 AMPERES AC AND 5.0 AMPERES DC RESISTIVE LOAD
Coil Quantity1
Center to Center Distance Between Mounting Facilities Parallel to Length2.500 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Center to Center Distance Between Mounting Facilities Parallel to Width2.000 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Duty TypeCONTINUOUS
Operating Voltage Rating and Type at Specified Temp115.0 VOLTS AC 25 DEG CELSIUS SINGLE WINDING
Mounting Facility PatternRECTANGULAR SINGLE MOUNTING FACILITY
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 1
6515-01-356-3917203.316 INTERCHANGEABLE
Screw,bone,maxillofacial Surgery
Depuy Synthes Sales Inc Dba Depuy Synthes Trauma Div Depuy Synthes Sales, Inc., D/b/a Depuy Synthes Trauma
Cross-Reference Index
Part NumberManufacturer
2033-16 Automation Products Group, Inc. (USA)
2033-16 Safran Electronics & Defense, Avionics Usa, Llc Dba Use CAGE Code 879b2 for Cataloging (USA)
B503700001 PRIMARY Kearfott Corporation Div Guidance and Navigation Division (USA)
Related Parts
6515-01-356-3917INTERCHANGEABLE
SCREW,BONE,MAXILLOFACIAL SURGERY
203.316

Frequently Asked Questions

What is NSN 5945-00-413-1217?

NSN 5945-00-413-1217 is a Relay,electromagnetic, manufactured by Kearfott Corporation Div Guidance and Navigation Division, classified under FSC 5945 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5945-00-413-1217?

NSN 5945-00-413-1217 has 3 cross-referenced part numbers: 2033-16 (Automation Products Group, Inc.), 2033-16 (Safran Electronics & Defense, Avionics Usa, Llc Dba Use CAGE Code 879b2 for Cataloging), B503700001 (Kearfott Corporation Div Guidance and Navigation Division).

What NSN replaces 5945-00-413-1217?

There is 1 known substitute for 5945-00-413-1217: 6515-01-356-3917. Verify interchangeability with system specifications before substitution.

What are the specifications of B503700001?

Key specifications for B503700001: Terminal Type and Quantity: 8 PIN ALL FUNCTIONS; Mounting Facility Type and Quantity: 4 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY; Environmental Protection: HERMETIC; Winding Quantity: 1. 17 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5945-00-413-1217 still in active supply?

NSN 5945-00-413-1217 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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