PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1551AS249-4Relay,electromagnetic

Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier · NSN 5945-01-314-9527 · FSC 5945 · No Item Name Available
Verified by PartsTable
NSN 5945-01-314-9527 — this item is cataloged by the U.S. Government under National Stock Number 5945-01-314-9527. Primary manufacturer part number: 1551AS249-4.
Features
  • Relay,electromagnetic — FSC 5945
  • Winding Quantity: 1
  • Coil Quantity: 1
  • Duty Type: CONTINUOUS
  • Frequency in Hertz: 50.0 MINIMUM AND 60.0 MAXIMUM
  • Purpose for Which Designed: GENERAL
  • Cubic Measure: 12.162 CUBIC INCHES
  • Storage Type: GENERAL PURPOSE WAREHOUSE
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Relay,electromagnetic, cataloged under National Stock Number 5945-01-314-9527, 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 Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5945-01-314-9527
Primary Part Number1551AS249-4
Item NameRelay,electromagnetic
FSC / FSG5945 / 59 — No Item Name Available
ManufacturerNaval Air Systems Command Managed Original Design Activity Not Material/parts Supplier
StatusACTIVE
Winding Quantity1
Coil Quantity1
Duty TypeCONTINUOUS
Frequency in Hertz50.0 MINIMUM AND 60.0 MAXIMUM
Purpose for Which DesignedGENERAL
Cubic Measure12.162 CUBIC INCHES
Storage TypeGENERAL PURPOSE WAREHOUSE
Mounting Facility Type and Quantity1 PLUG-IN TERMINAL(S) SINGLE MOUNTING FACILITY
Nonpile-Up Main Contact Arrangement2 POLE, DOUBLE THROW, ONE POSITION MOMENTARY
Main Contact Maximum Voltage Rating in Volts120.0 AC
Environmental ProtectionDUSTPROOF
Time Delay0.002 SECONDS MAXIMUM FIXED OPERATE TIME
Main Contact Load Current Rating at Maximum Rated Voltage10.0 AMPERES AC RESISTIVE LOAD
Fragility FactorMODERATELY RUGGED
Terminal Type and Quantity8 PIN ALL FUNCTIONS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5120-00-242-3434 INTERCHANGEABLE
Punch,starter
5330-00-292-1598052063-5 INTERCHANGEABLE
Seal,plain Encased
Gits Mfg Co Inc
2520-00-450-9254 INTERCHANGEABLE
Housing,clutch
4130-00-523-56242000-3 INTERCHANGEABLE
Disk,suction Valve
Grasso Inc
5935-00-660-59319063136 INTERCHANGEABLE
Connector,receptacle,electrical
Us Army Aviation and Missile Command
7320-01-141-41682000-3 INTERCHANGEABLE
Food Waste Disposal System
Ni Industries Inc Thermador/waste King Div
6525-01-204-181320003 INTERCHANGEABLE
Film,nuclear Medicine
Eastman Kodak Company Dba Kodak
5930-01-237-3755 INTERCHANGEABLE
Switch,push
5945-01-311-67291551AS249-1 INTERCHANGEABLE
Relay,electromagnetic
Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier
5305-01-345-294420003 INTERCHANGEABLE
Thumbscrew
Northwestern Tools, Inc.
Cross-Reference Index
Part NumberManufacturer
1551AS249-4 PRIMARY Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA)
PAR2B110 Crouzet Corporation (USA)
20003 Cramer Co Division of Chestnut Group Inc (USA)
390AA200-A0200A Cramer Co Division of Chestnut Group Inc (USA)
Related Parts
5120-00-242-3434INTERCHANGEABLE
PUNCH,STARTER
5330-00-292-1598INTERCHANGEABLE
SEAL,PLAIN ENCASED
052063-5
2520-00-450-9254INTERCHANGEABLE
HOUSING,CLUTCH
4130-00-523-5624INTERCHANGEABLE
DISK,SUCTION VALVE
2000-3
5935-00-660-5931INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
9063136
7320-01-141-4168INTERCHANGEABLE
FOOD WASTE DISPOSAL SYSTEM
2000-3
6525-01-204-1813INTERCHANGEABLE
FILM,NUCLEAR MEDICINE
20003
5930-01-237-3755INTERCHANGEABLE
SWITCH,PUSH
5945-01-311-6729INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
1551AS249-1
5305-01-345-2944INTERCHANGEABLE
THUMBSCREW
20003
5940-01-394-7049INTERCHANGEABLE
TERMINAL BOARD
20003
3040-01-437-5481INTERCHANGEABLE
SHAFT ASSEMBLY,SHOULDERED
80053-2

Frequently Asked Questions

What is NSN 5945-01-314-9527?

NSN 5945-01-314-9527 is a Relay,electromagnetic, manufactured by Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier, classified under FSC 5945 (No Item Name Available). Status: active.

What are the part numbers for NSN 5945-01-314-9527?

NSN 5945-01-314-9527 has 4 cross-referenced part numbers: 1551AS249-4 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier), PAR2B110 (Crouzet Corporation), 20003 (Cramer Co Division of Chestnut Group Inc), 390AA200-A0200A (Cramer Co Division of Chestnut Group Inc).

What NSN replaces 5945-01-314-9527?

There are 12 known substitutes for 5945-01-314-9527: 5120-00-242-3434, 5330-00-292-1598, 2520-00-450-9254 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1551AS249-4?

Key specifications for 1551AS249-4: Overall Width: 2.380 INCHES NOMINAL IN; End Item Identification: EONS 02/N2; Winding Quantity: 1; Coil Quantity: 1. 19 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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