PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

972-1557-000Relay,electromagnetic

Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems · NSN 5945-00-050-9996 · FSC 5945 · No Item Name Available
Verified by PartsTable
NSN 5945-00-050-9996 — this item is cataloged by the U.S. Government under National Stock Number 5945-00-050-9996. Primary manufacturer part number: 972-1557-000.
Features
  • Relay,electromagnetic — FSC 5945
  • Main Contact Maximum Voltage Rating in Volts: 115.0 AC AND 28.0 DC
  • Nominal Operating Current Rating and Type: 60.0 MILLIAMPERES DC SINGLE WINDING
  • Main Contact Load Current Rating at Maximum Rated Voltage: 6.0 AMPERES AC AND 3.0 AMPERES DC RESISTIVE LOAD
  • Winding Quantity: 1
  • Mounting Facility Type and Quantity: 4 THREADED HOLE(S) SINGLE MOUNTING FACILITY
  • Terminal Type and Quantity: 10 PIN ALL FUNCTIONS
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC) SINGLE MOUNTING FACILITY
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Relay,electromagnetic, cataloged under National Stock Number 5945-00-050-9996, 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 Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems. Government technical data includes 20 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 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
NSN5945-00-050-9996
Primary Part Number972-1557-000
Item NameRelay,electromagnetic
FSC / FSG5945 / 59 — No Item Name Available
ManufacturerRockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
StatusACTIVE
Main Contact Maximum Voltage Rating in Volts115.0 AC AND 28.0 DC
Nominal Operating Current Rating and Type60.0 MILLIAMPERES DC SINGLE WINDING
Main Contact Load Current Rating at Maximum Rated Voltage6.0 AMPERES AC AND 3.0 AMPERES DC RESISTIVE LOAD
Winding Quantity1
Mounting Facility Type and Quantity4 THREADED HOLE(S) SINGLE MOUNTING FACILITY
Terminal Type and Quantity10 PIN ALL FUNCTIONS
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE MOUNTING FACILITY
Winding DC Resistance Rating265.0 OHMS NOMINAL SINGLE WINDING
Mounting Facility PatternRECTANGULAR SINGLE MOUNTING FACILITY
Thread Quantity Per Inch40 SINGLE MOUNTING FACILITY
Center to Center Distance Between Mounting Facilities Parallel to Width0.377 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Pile-Up Main Contact Form Arrangement1A A
Operating Voltage Rating and Type at Specified Temp18.0 VOLTS DC 25 DEG CELSIUS SINGLE WINDING
Coil Quantity1
Pile-Up Auxiliary Contact Form Arrangement2C
Center to Center Distance Between Mounting Facilities Parallel to Length0.377 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Nominal Thread Size0.112 INCHES SINGLE MOUNTING FACILITY IN
Auxiliary Contact Maximum Voltage Rating in Volts115.0 AC AND 115.0 DC
Duty TypeCONTINUOUS
Thread Class2B SINGLE MOUNTING FACILITY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
2030-01-420-7811D-3208 PC-2 INTERCHANGEABLE
Ring,loading
Walz & Krenzer Inc Div Mapeco Products
7025-01-493-824032082 INTERCHANGEABLE
Disk Drive Unit
Iomega Corporation
Cross-Reference Index
Part NumberManufacturer
32082 Emerson Electric Co White-Rodgers Div (USA)
972-1557-000 PRIMARY Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA)
972-1557-00 Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA)
Related Parts
2030-01-420-7811INTERCHANGEABLE
RING,LOADING
D-3208 PC-2
7025-01-493-8240INTERCHANGEABLE
DISK DRIVE UNIT
32082

Frequently Asked Questions

What is NSN 5945-00-050-9996?

NSN 5945-00-050-9996 is a Relay,electromagnetic, manufactured by Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems, classified under FSC 5945 (No Item Name Available). Status: active.

What are the part numbers for NSN 5945-00-050-9996?

NSN 5945-00-050-9996 has 3 cross-referenced part numbers: 32082 (Emerson Electric Co White-Rodgers Div), 972-1557-000 (Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems), 972-1557-00 (Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems).

What NSN replaces 5945-00-050-9996?

There are 2 known substitutes for 5945-00-050-9996: 2030-01-420-7811, 7025-01-493-8240. Verify interchangeability with system specifications before substitution.

What are the specifications of 972-1557-000?

Key specifications for 972-1557-000: Overall Length: 1.260 INCHES NOMINAL IN; Main Contact Maximum Voltage Rating in Volts: 115.0 AC AND 28.0 DC; Nominal Operating Current Rating and Type: 60.0 MILLIAMPERES DC SINGLE WINDING; Main Contact Load Current Rating at Maximum Rated Voltage: 6.0 AMPERES AC AND 3.0 AMPERES DC RESISTIVE LOAD. 23 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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