PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

G573Lamp,incandescent

Micro Display Devices Ltd · NSN 6240-00-357-0139 · FSC 6240 · No Item Name Available
Verified by PartsTable
NSN 6240-00-357-0139 — this item is cataloged by the U.S. Government under National Stock Number 6240-00-357-0139. Primary manufacturer part number: G573.
Features
  • Lamp,incandescent — FSC 6240
  • Bulb Style: G (GLOBULAR)
  • Average Life Rating in Hours: 5000.0
  • Bulb Designator: G-3 1/2
  • Filament Heavy Duty Service Rating: NOT RATED
  • Light Output Rating: 5.000 LUMENS NOMINAL SINGLE RATING
  • Emitted Light Characteristic: COLORLESS
  • Voltage Rating: 12.000 VOLTS NOMINAL
Applications
  • Area illumination
  • Indicator and warning display
  • Navigation and signal lighting
General Description

The Lamp,incandescent, cataloged under National Stock Number 6240-00-357-0139, is classified within Federal Supply Class 6240 (No Item Name Available) of the Lighting Fixtures and Lamps group. The primary manufacturer of record is Micro Display Devices Ltd. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6240-00-357-0139
Primary Part NumberG573
Item NameLamp,incandescent
FSC / FSG6240 / 62 — No Item Name Available
ManufacturerMicro Display Devices Ltd
StatusACTIVE
Bulb StyleG (GLOBULAR)
Average Life Rating in Hours5000.0
Bulb DesignatorG-3 1/2
Filament Heavy Duty Service RatingNOT RATED
Light Output Rating5.000 LUMENS NOMINAL SINGLE RATING
Emitted Light CharacteristicCOLORLESS
Voltage Rating12.000 VOLTS NOMINAL
Bulb Light Transmission CharacteristicTRANSPARENT
Wattage Rating1.140 WATTS
Base StyleSPECIAL MINIATURE, ONE AND HALF TURN THREAD
Current Rating for Which Designed0.095 AMPERES NOMINAL
Rated Average LifeHOURS
Filament DesignationC-2V V
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5935-00-193-9663JK44 INTERCHANGEABLE
Jack,telephone
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5940-00-504-3552 INTERCHANGEABLE
Terminal,lug
2805-00-679-806701839 INTERCHANGEABLE
Guide,valve Stem
Safeguard Powertech Systems
2940-01-357-97333267 INTERCHANGEABLE
Filter,fluid
Genuine Parts Company Div Automotive Parts Group, Dba Napa
5998-01-382-3367L04537 INTERCHANGEABLE
Retainer-Ejector,electrical Card
Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings)
6105-01-433-7990 INTERCHANGEABLE
Motor,alternating Current
5180-01-633-29514026AS860-1 INTERCHANGEABLE
Tool Kit,aircraft Maintenance
Naval Air Warfare Center Aircraft Division Joint Base Jbmdl
Cross-Reference Index
Part NumberManufacturer
G573 Micro Display Devices Ltd (GBR)
Related Parts
5935-00-193-9663INTERCHANGEABLE
JACK,TELEPHONE
JK44
5940-00-504-3552INTERCHANGEABLE
TERMINAL,LUG
2805-00-679-8067INTERCHANGEABLE
GUIDE,VALVE STEM
01839
2940-01-357-9733INTERCHANGEABLE
FILTER,FLUID
3267
5998-01-382-3367INTERCHANGEABLE
RETAINER-EJECTOR,ELECTRICAL CARD
L04537
6105-01-433-7990INTERCHANGEABLE
MOTOR,ALTERNATING CURRENT
5180-01-633-2951INTERCHANGEABLE
TOOL KIT,AIRCRAFT MAINTENANCE
4026AS860-1

Frequently Asked Questions

What is NSN 6240-00-357-0139?

NSN 6240-00-357-0139 is a Lamp,incandescent, manufactured by Micro Display Devices Ltd, classified under FSC 6240 (No Item Name Available). Status: active.

What are the part numbers for NSN 6240-00-357-0139?

NSN 6240-00-357-0139 has 1 cross-referenced part number: G573 (Micro Display Devices Ltd).

What NSN replaces 6240-00-357-0139?

There are 7 known substitutes for 6240-00-357-0139: 5935-00-193-9663, 5940-00-504-3552, 2805-00-679-8067 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of G573?

Key specifications for G573: Bulb Style: G (GLOBULAR); Average Life Rating in Hours: 5000.0; Bulb Designator: G-3 1/2; Filament Heavy Duty Service Rating: NOT RATED. 14 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com