PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

J7Relay,electromagnetic

American Telephone and Telegraph Co · NSN 5945-00-250-0714 · FSC 5945 · No Item Name Available
Verified by PartsTable
NSN 5945-00-250-0714 — this item is cataloged by the U.S. Government under National Stock Number 5945-00-250-0714. Primary manufacturer part number: J7.
Features
  • Relay,electromagnetic — FSC 5945
  • Mounting Facility Type and Quantity: 2 THREADED HOLE(S) SINGLE MOUNTING FACILITY
  • Pile-Up Main Contact Form Arrangement: 1C
  • Environmental Protection: DUSTPROOF
  • Nominal Thread Size: 0.138 INCHES SINGLE MOUNTING FACILITY IN
  • Winding Quantity: 1
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC) SINGLE MOUNTING FACILITY
  • Center to Center Distance Between Mounting Facilities Parallel to Length: 0.562 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 5945-00-250-0714, 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 American Telephone and Telegraph Co. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5945-00-250-0714
Primary Part NumberJ7
Item NameRelay,electromagnetic
FSC / FSG5945 / 59 — No Item Name Available
ManufacturerAmerican Telephone and Telegraph Co
StatusACTIVE
Mounting Facility Type and Quantity2 THREADED HOLE(S) SINGLE MOUNTING FACILITY
Pile-Up Main Contact Form Arrangement1C
Environmental ProtectionDUSTPROOF
Nominal Thread Size0.138 INCHES SINGLE MOUNTING FACILITY IN
Winding Quantity1
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE MOUNTING FACILITY
Center to Center Distance Between Mounting Facilities Parallel to Length0.562 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Coil Quantity1
Nominal Operating Current Rating and Type6.0 MILLIAMPERES AC SINGLE WINDING
Duty TypeCONTINUOUS
Mounting Facility PatternIN-LINE SINGLE MOUNTING FACILITY
Frequency in Hertz16.0 MINIMUM AND 20.0 MAXIMUM
Main Contact Maximum Voltage Rating in Volts48.0 DC
Winding DC Resistance Rating1.1 KILOHMS NOMINAL SINGLE WINDING
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5935-00-123-5247 INTERCHANGEABLE
Plug,tip
4320-00-176-0312J7 INTERCHANGEABLE
Shaft
Circor Naval Solutions Llc Dba Warren Pumps
2920-00-294-3747294 INTERCHANGEABLE
Spark Plug
Allied-Signal Inc Autolite Div
6150-01-609-3488J-7 INTERCHANGEABLE
Bus,conductor
Tegam, Inc.
Cross-Reference Index
Part NumberManufacturer
J7 American Telephone and Telegraph Co (USA)
J7RELAY American Telephone and Telegraph Co (USA)
J7 Lucent Technologies Inc Dba Federal Marketing Group (USA)
J7RELAY Lucent Technologies Inc Dba Federal Marketing Group (USA)
J7 Lucent Technologies Inc Corporate Headquarters (USA)
J7 At and T Corp (USA)
J7RELAY Lucent Technologies Inc Corporate Headquarters (USA)
Related Parts
5935-00-123-5247INTERCHANGEABLE
PLUG,TIP
4320-00-176-0312INTERCHANGEABLE
SHAFT
J7
2920-00-294-3747INTERCHANGEABLE
SPARK PLUG
294
6150-01-609-3488INTERCHANGEABLE
BUS,CONDUCTOR
J-7

Frequently Asked Questions

What is NSN 5945-00-250-0714?

NSN 5945-00-250-0714 is a Relay,electromagnetic, manufactured by American Telephone and Telegraph Co, classified under FSC 5945 (No Item Name Available). Status: active.

What are the part numbers for NSN 5945-00-250-0714?

NSN 5945-00-250-0714 has 7 cross-referenced part numbers: J7 (American Telephone and Telegraph Co), J7RELAY (American Telephone and Telegraph Co), J7 (Lucent Technologies Inc Dba Federal Marketing Group), J7RELAY (Lucent Technologies Inc Dba Federal Marketing Group), J7 (Lucent Technologies Inc Corporate Headquarters) and 2 more.

What NSN replaces 5945-00-250-0714?

There are 4 known substitutes for 5945-00-250-0714: 5935-00-123-5247, 4320-00-176-0312, 2920-00-294-3747 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of J7?

Key specifications for J7: Mounting Facility Type and Quantity: 2 THREADED HOLE(S) SINGLE MOUNTING FACILITY; Pile-Up Main Contact Form Arrangement: 1C; Environmental Protection: DUSTPROOF; Nominal Thread Size: 0.138 INCHES SINGLE MOUNTING FACILITY IN. 17 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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