PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

7742085Lamp,incandescent

U S Army Tank Automotive Command Amsta-Im-Mm · NSN 6240-00-155-7820 · FSC 6240 · No Item Name Available
Verified by PartsTable
NSN 6240-00-155-7820 — this item is cataloged by the U.S. Government under National Stock Number 6240-00-155-7820. Primary manufacturer part number: 7742085.
Features
  • Lamp,incandescent — FSC 6240
  • Base Style: THREE CONTACT LUGS
  • Bulb Light Transmission Characteristic: TRANSPARENT
  • Emitted Light Characteristic: COLORLESS
  • Current Rating for Which Designed: 5.469 AMPERES MINIMUM AND 7.031 AMPERES MAXIMUM
  • Features Provided: HEAT RESISTANT GLASS
  • Filament Designation: AC-6
  • Bulb Designator: PAR-56
Applications
  • Area illumination
  • Indicator and warning display
  • Navigation and signal lighting
General Description

The Lamp,incandescent, cataloged under National Stock Number 6240-00-155-7820, is classified within Federal Supply Class 6240 (No Item Name Available) of the Lighting Fixtures and Lamps group. The primary manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 22 commercial cross-references from 16 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN6240-00-155-7820
Primary Part Number7742085
Item NameLamp,incandescent
FSC / FSG6240 / 62 — No Item Name Available
ManufacturerU S Army Tank Automotive Command Amsta-Im-Mm
StatusCANCELLED
Base StyleTHREE CONTACT LUGS
Bulb Light Transmission CharacteristicTRANSPARENT
Emitted Light CharacteristicCOLORLESS
Current Rating for Which Designed5.469 AMPERES MINIMUM AND 7.031 AMPERES MAXIMUM
Features ProvidedHEAT RESISTANT GLASS
Filament DesignationAC-6
Bulb DesignatorPAR-56
Light Intensity Distribution FeaturePARABOLIC REFLECTOR
Wattage Rating35.000 WATTS AND 45.000 WATTS
Voltage Rating6.400 VOLTS NOMINAL
Average Life Rating in Hours500.0
Rated Average LifeHOURS
Bulb StylePAR (PARABOLIC, ALUMINIZED REFLECTOR)
Specification/standard Data08108-4030 MANUFACTURERS STANDARD
Filament Heavy Duty Service RatingNOT RATED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 5
4220-00-436-03958520-08 INTERCHANGEABLE
Boots,divers'
Dacor Corp
5935-00-578-9536 INTERCHANGEABLE
Cover,electrical Connector
4220-01-220-7772 INTERCHANGEABLE
Boots,divers'
4020-01-460-8211126707 INTERCHANGEABLE
Cord Assembly,fibrous
Jered Llc
5360-01-487-586670009-18 INTERCHANGEABLE
Spring,helical,extension
Curtiss-Wright Flow Control Service, Llc Dba Engineered Arresting Systems - Esco Div Cw Flow Control Svc Llc Dba
Cross-Reference Index
Part NumberManufacturer
925000 Corbitt Co Inc (USA)
5930476 General Motors Corp Fisher Guide Div (USA)
7742085 PRIMARY U S Army Tank Automotive Command Amsta-Im-Mm (USA)
924791 PRIMARY General Motors Corp (USA)
5930437 General Motors Corp Fisher Guide Div (USA)
92092H PRIMARY Navistar Intl Corp Truck Br Ohio Plant (USA)
339528 Sasco Inc Canadian Div
193142 General Motors Corp (USA)
102MDC21PL PRIMARY Mack Trucks Inc Parts Opn (USA)
5930476 PRIMARY General Motors Corp (USA)
09A13007 Ford Motor Co Ford Parts and Service Div Government Part Sales (USA)
4030 Lamp Industry for Use with Industry Designations and Abbreviations for Lamps
7000918 PRIMARY U S Army Tank Automotive Command Amsta-Im-Mm (USA)
924791 General Motors Corp Fisher Guide Div (USA)
09A13007 Ford Motor Company (USA)
5930437 PRIMARY General Motors Corp (USA)
92092H Navistar International Corporation Dba Navistar (USA)
15B9137 PRIMARY Napco International Llc Dba Napco International Inc (USA)
853369 PRIMARY Chrysler Realty Company Llc Dba Daimler Chrysler (USA)
193142 PRIMARY General Motors Llc Dba General Motors Llc (USA)
Related Parts
4220-00-436-0395INTERCHANGEABLE
BOOTS,DIVERS'
8520-08
5935-00-578-9536INTERCHANGEABLE
COVER,ELECTRICAL CONNECTOR
4220-01-220-7772INTERCHANGEABLE
BOOTS,DIVERS'
4020-01-460-8211INTERCHANGEABLE
CORD ASSEMBLY,FIBROUS
126707
5360-01-487-5866INTERCHANGEABLE
SPRING,HELICAL,EXTENSION
70009-18

Frequently Asked Questions

What is NSN 6240-00-155-7820?

NSN 6240-00-155-7820 is a Lamp,incandescent, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 6240 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6240-00-155-7820?

NSN 6240-00-155-7820 has 22 cross-referenced part numbers: 925000 (Corbitt Co Inc), 5930476 (General Motors Corp Fisher Guide Div), 7742085 (U S Army Tank Automotive Command Amsta-Im-Mm), 924791 (General Motors Corp), 5930437 (General Motors Corp Fisher Guide Div) and 17 more.

What NSN replaces 6240-00-155-7820?

There are 5 known substitutes for 6240-00-155-7820: 4220-00-436-0395, 5935-00-578-9536, 4220-01-220-7772 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 7742085?

Key specifications for 7742085: Base Style: THREE CONTACT LUGS; Bulb Light Transmission Characteristic: TRANSPARENT; Emitted Light Characteristic: COLORLESS; Current Rating for Which Designed: 5.469 AMPERES MINIMUM AND 7.031 AMPERES MAXIMUM. 16 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6240-00-155-7820 still in active supply?

NSN 6240-00-155-7820 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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