PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

77AS8-12VLamp,incandescent

Lamp Industry for Use with Industry Designations and Abbreviations for Lamps · NSN 6240-00-156-1607 · FSC 6240 · No Item Name Available
Verified by PartsTable
NSN 6240-00-156-1607 — this item is cataloged by the U.S. Government under National Stock Number 6240-00-156-1607. Primary manufacturer part number: 77AS8-12V.
Features
  • Lamp,incandescent — FSC 6240
  • Current Rating for Which Designed: 0.770 AMPERES NOMINAL
  • Voltage Rating: 12.000 VOLTS NOMINAL
  • Light Output Rating: 125.000 LUMENS NOMINAL SINGLE RATING
  • Base Style: SINGLE CONTACT CANDELABRA PREFOCUS
  • Emitted Light Characteristic: WHITE
  • Bulb Light Transmission Characteristic: TRANSPARENT
  • Average Life Rating in Hours: 500.0
Applications
  • Area illumination
  • Indicator and warning display
  • Navigation and signal lighting
General Description

The Lamp,incandescent, cataloged under National Stock Number 6240-00-156-1607, is classified within Federal Supply Class 6240 (No Item Name Available) of the Lighting Fixtures and Lamps group. The primary manufacturer of record is Lamp Industry for Use with Industry Designations and Abbreviations for Lamps. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6240-00-156-1607
Primary Part Number77AS8-12V
Item NameLamp,incandescent
FSC / FSG6240 / 62 — No Item Name Available
ManufacturerLamp Industry for Use with Industry Designations and Abbreviations for Lamps
StatusACTIVE
Current Rating for Which Designed0.770 AMPERES NOMINAL
Voltage Rating12.000 VOLTS NOMINAL
Light Output Rating125.000 LUMENS NOMINAL SINGLE RATING
Base StyleSINGLE CONTACT CANDELABRA PREFOCUS
Emitted Light CharacteristicWHITE
Bulb Light Transmission CharacteristicTRANSPARENT
Average Life Rating in Hours500.0
Bulb DesignatorS-8
Filament DesignationC-8
Features ProvidedFILAMENT SHIELDING AND HEAT RESISTANT GLASS
Rated Average LifeHOURS
Bulb StyleS (STRAIGHT SIDE)
Filament Heavy Duty Service RatingNOT RATED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
6240-00-228-858855A/S8-12V INTERCHANGEABLE
Lamp,incandescent
Lamp Industry for Use with Industry Designations and Abbreviations for Lamps
6240-00-262-8841 INTERCHANGEABLE
Lamp,incandescent
6240-00-262-8845 INTERCHANGEABLE
Lamp,incandescent
1650-00-652-742012004 INTERCHANGEABLE
Parts Kit,linear Actuating Cylin
Eaton Corp Dba Eaton Aerospace Jackson
5940-00-966-63641200-41 INTERCHANGEABLE
Terminal Board Assembly
Honeywell International Inc. Dba Honeywell Div Aerospace ? Redmond Commercial
5315-01-138-9760 INTERCHANGEABLE
Pin,straight,headed
6240-01-186-203377A/S8-12V INTERCHANGEABLE
Lamp,incandescent
Chicago Miniature Lighting Llc Dba Chicago Miniature Optoelectron
5340-01-486-538112004-1 INTERCHANGEABLE
Bracket,angle
Honeywell International Inc. Dba Honeywell Div Aerospace -Olathe Hums Div
Cross-Reference Index
Part NumberManufacturer
120041 United States Coast Guard Dba U.s.c.g. Sflc Div Surface Forces Logistics Center (sflc) (USA)
77AS8-12V PRIMARY Lamp Industry for Use with Industry Designations and Abbreviations for Lamps
Related Parts
6240-00-228-8588INTERCHANGEABLE
LAMP,INCANDESCENT
55A/S8-12V
6240-00-262-8841INTERCHANGEABLE
LAMP,INCANDESCENT
6240-00-262-8845INTERCHANGEABLE
LAMP,INCANDESCENT
1650-00-652-7420INTERCHANGEABLE
PARTS KIT,LINEAR ACTUATING CYLIN
12004
5940-00-966-6364INTERCHANGEABLE
TERMINAL BOARD ASSEMBLY
1200-41
5315-01-138-9760INTERCHANGEABLE
PIN,STRAIGHT,HEADED
6240-01-186-2033INTERCHANGEABLE
LAMP,INCANDESCENT
77A/S8-12V
5340-01-486-5381INTERCHANGEABLE
BRACKET,ANGLE
12004-1

Frequently Asked Questions

What is NSN 6240-00-156-1607?

NSN 6240-00-156-1607 is a Lamp,incandescent, manufactured by Lamp Industry for Use with Industry Designations and Abbreviations for Lamps, classified under FSC 6240 (No Item Name Available). Status: active.

What are the part numbers for NSN 6240-00-156-1607?

NSN 6240-00-156-1607 has 2 cross-referenced part numbers: 120041 (United States Coast Guard Dba U.s.c.g. Sflc Div Surface Forces Logistics Center (sflc)), 77AS8-12V (Lamp Industry for Use with Industry Designations and Abbreviations for Lamps).

What NSN replaces 6240-00-156-1607?

There are 8 known substitutes for 6240-00-156-1607: 6240-00-228-8588, 6240-00-262-8841, 6240-00-262-8845 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 77AS8-12V?

Key specifications for 77AS8-12V: Current Rating for Which Designed: 0.770 AMPERES NOMINAL; Special Features: LIGHT CENTER LENGTH-1.125 IN. IN; Voltage Rating: 12.000 VOLTS NOMINAL; Light Output Rating: 125.000 LUMENS NOMINAL SINGLE RATING. 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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