PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

263-4Flasher,thermal

Federal-Mogul Corp Government Sales Dept · NSN 5945-00-054-4381 · FSC 5945 · No Item Name Available
Verified by PartsTable
NSN 5945-00-054-4381 — this item is cataloged by the U.S. Government under National Stock Number 5945-00-054-4381. Primary manufacturer part number: 263-4.
Features
  • Flasher,thermal — FSC 5945
  • Lamp Power Rating for Which Designed: 25.0 WATTS NOMINAL
  • Terminal Quantity: 3
  • Lamp Quantity for Which Designed: 3
  • DC Voltage Rating: 24.0 VOLTS NOMINAL
  • Terminal Type: PLUG-IN
  • Controlled Circuit Quantity: 2
  • Mounting Configuration: PLUG-IN MTG
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Flasher,thermal, cataloged under National Stock Number 5945-00-054-4381, 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 Federal-Mogul Corp Government Sales Dept. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5945-00-054-4381
Primary Part Number263-4
Item NameFlasher,thermal
FSC / FSG5945 / 59 — No Item Name Available
ManufacturerFederal-Mogul Corp Government Sales Dept
StatusCANCELLED
Lamp Power Rating for Which Designed25.0 WATTS NOMINAL
Terminal Quantity3
Lamp Quantity for Which Designed3
DC Voltage Rating24.0 VOLTS NOMINAL
Terminal TypePLUG-IN
Controlled Circuit Quantity2
Mounting ConfigurationPLUG-IN MTG
Operating Mechanism InclosureNOT INCLUDED
Battery Operation FacilityPROVIDED
AdjustabilityNONADJUSTABLE
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
4920-00-014-08493140-4 INTERCHANGEABLE
Cable Adapter,stron
Honeywell International Inc. Dba Honeywell Div Aerospace -Olathe Hums Div
4810-00-122-070131404 INTERCHANGEABLE
Stem,fluid Valve
Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division
7240-00-151-6629 INTERCHANGEABLE
Waste Receptacle
9540-00-261-5224 INTERCHANGEABLE
Structural Section,special Shape
5975-00-280-3659 INTERCHANGEABLE
Ferrule,electrical Conduit
5136-00-293-33232634 INTERCHANGEABLE
Tap Set,thread Cutting
Stanley Tools Div of Stanley Works
5985-00-368-7179 INTERCHANGEABLE
Adapter,waveguide
2520-00-493-2077RE234307 INTERCHANGEABLE
Disk,clutch,vehicular
Deere & Co
5950-00-647-948431404 INTERCHANGEABLE
Transformer,radio Frequency
Pax Mfg Corp Hammarlund Mfg Co Div
2815-00-652-512331404 INTERCHANGEABLE
Cylinder Head and L
Napco International Llc Dba Napco International Inc
Cross-Reference Index
Part NumberManufacturer
120 Federal-Mogul Corp Government Sales Dept (USA)
56Z161 Morris Material Handling, Inc. (USA)
31404 Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp. (USA)
263-4 PRIMARY Federal-Mogul Corp Government Sales Dept (USA)
121F432-24V Signal-Stat Corp (USA)
Related Parts
4920-00-014-0849INTERCHANGEABLE
CABLE ADAPTER,STRON
3140-4
4810-00-122-0701INTERCHANGEABLE
STEM,FLUID VALVE
31404
7240-00-151-6629INTERCHANGEABLE
WASTE RECEPTACLE
9540-00-261-5224INTERCHANGEABLE
STRUCTURAL SECTION,SPECIAL SHAPE
5975-00-280-3659INTERCHANGEABLE
FERRULE,ELECTRICAL CONDUIT
5136-00-293-3323INTERCHANGEABLE
TAP SET,THREAD CUTTING
2634
5985-00-368-7179INTERCHANGEABLE
ADAPTER,WAVEGUIDE
2520-00-493-2077INTERCHANGEABLE
DISK,CLUTCH,VEHICULAR
RE234307
5950-00-647-9484INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
31404
2815-00-652-5123INTERCHANGEABLE
CYLINDER HEAD AND L
31404
6210-00-735-2178INTERCHANGEABLE
LENS,HP OBJECTIVE
B547-191
2920-01-057-0572INTERCHANGEABLE
SPARK PLUG
33-97186

Frequently Asked Questions

What is NSN 5945-00-054-4381?

NSN 5945-00-054-4381 is a Flasher,thermal, manufactured by Federal-Mogul Corp Government Sales Dept, classified under FSC 5945 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5945-00-054-4381?

NSN 5945-00-054-4381 has 5 cross-referenced part numbers: 120 (Federal-Mogul Corp Government Sales Dept), 56Z161 (Morris Material Handling, Inc.), 31404 (Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp.), 263-4 (Federal-Mogul Corp Government Sales Dept), 121F432-24V (Signal-Stat Corp).

What NSN replaces 5945-00-054-4381?

There are 12 known substitutes for 5945-00-054-4381: 4920-00-014-0849, 4810-00-122-0701, 7240-00-151-6629 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 263-4?

Key specifications for 263-4: Lamp Power Rating for Which Designed: 25.0 WATTS NOMINAL; Overall Width: 0.780 INCHES NOMINAL IN; Terminal Quantity: 3; Lamp Quantity for Which Designed: 3. 13 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5945-00-054-4381 still in active supply?

NSN 5945-00-054-4381 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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