PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

577-100Flasher,thermal

Automation Products Group, Inc. · NSN 5945-00-864-4661 · FSC 5945 · No Item Name Available
Verified by PartsTable
NSN 5945-00-864-4661 — this item is cataloged by the U.S. Government under National Stock Number 5945-00-864-4661. Primary manufacturer part number: 577-100.
Features
  • Flasher,thermal — FSC 5945
  • Mounting Configuration: MOUNTS BY 4 HOLES 0.196 IN. DIA,ON 2-1/4 BY 3 IN. CENTERS IN
  • Terminal Quantity: 1
  • Terminal Type: CONNECTOR, RECEPTACLE
  • Flashing Rate: 40 PER MINUTE NOMINAL
  • Accuracy in Percent: 15.0
  • Adjustability: NONADJUSTABLE
  • Environmental Protection: HERMETICALLY SEALED
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Flasher,thermal, cataloged under National Stock Number 5945-00-864-4661, 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 Automation Products Group, Inc.. Government technical data includes 12 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5945-00-864-4661
Primary Part Number577-100
Item NameFlasher,thermal
FSC / FSG5945 / 59 — No Item Name Available
ManufacturerAutomation Products Group, Inc.
StatusACTIVE
Mounting ConfigurationMOUNTS BY 4 HOLES 0.196 IN. DIA,ON 2-1/4 BY 3 IN. CENTERS IN
Terminal Quantity1
Terminal TypeCONNECTOR, RECEPTACLE
Flashing Rate40 PER MINUTE NOMINAL
Accuracy in Percent15.0
AdjustabilityNONADJUSTABLE
Environmental ProtectionHERMETICALLY SEALED
Failure Automatic Circuit ConditionON
DC Voltage Rating18.0 VOLTS MINIMUM AND 30.0 VOLTS MAXIMUM
Duty Cycle0.75 SECONDS ON
Actuation TypeELECTROMECHANICAL
Controlled Circuit Quantity2
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
6630-00-098-3085 INTERCHANGEABLE
Comparator,metal
4820-01-553-203757-7100 INTERCHANGEABLE
Popoffvalve
Allen Aircraft Products Inc
Cross-Reference Index
Part NumberManufacturer
619329-1 Lockheed Martin Corp (USA)
577-100 PRIMARY Automation Products Group, Inc. (USA)
577-100 Safran Electronics & Defense, Avionics Usa, Llc Dba Use CAGE Code 879b2 for Cataloging (USA)
Related Parts
6630-00-098-3085INTERCHANGEABLE
COMPARATOR,METAL
4820-01-553-2037INTERCHANGEABLE
POPOFFVALVE
57-7100

Frequently Asked Questions

What is NSN 5945-00-864-4661?

NSN 5945-00-864-4661 is a Flasher,thermal, manufactured by Automation Products Group, Inc., classified under FSC 5945 (No Item Name Available). Status: active.

What are the part numbers for NSN 5945-00-864-4661?

NSN 5945-00-864-4661 has 3 cross-referenced part numbers: 619329-1 (Lockheed Martin Corp), 577-100 (Automation Products Group, Inc.), 577-100 (Safran Electronics & Defense, Avionics Usa, Llc Dba Use CAGE Code 879b2 for Cataloging).

What NSN replaces 5945-00-864-4661?

There are 2 known substitutes for 5945-00-864-4661: 6630-00-098-3085, 4820-01-553-2037. Verify interchangeability with system specifications before substitution.

What are the specifications of 577-100?

Key specifications for 577-100: Overall Height: 2.875 INCHES NOMINAL IN; Mounting Configuration: MOUNTS BY 4 HOLES 0.196 IN. DIA,ON 2-1/4 BY 3 IN. CENTERS IN; Overall Width: 2.813 INCHES NOMINAL IN; Terminal Quantity: 1. 15 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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