PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

277-1008P2Lamp,incandescent

Raytheon Company Div Corp · NSN 6240-00-155-7863 · FSC 6240 · No Item Name Available
Verified by PartsTable
NSN 6240-00-155-7863 — this item is cataloged by the U.S. Government under National Stock Number 6240-00-155-7863. Primary manufacturer part number: 277-1008P2.
Features
  • Lamp,incandescent — FSC 6240
  • Average Life Rating in Hours: 350.0
  • Filament Heavy Duty Service Rating: NOT RATED
  • Bulb Style: T (TUBULAR)
  • Rated Average Life: HOURS
  • Bulb Light Transmission Characteristic: TRANSPARENT
  • Bulb Designator: T-1 1/4
  • Light Output Rating: 0.040 SPHERICAL CANDLEPOWER NOMINAL SINGLE RATING
Applications
  • Area illumination
  • Indicator and warning display
  • Navigation and signal lighting
General Description

The Lamp,incandescent, cataloged under National Stock Number 6240-00-155-7863, is classified within Federal Supply Class 6240 (No Item Name Available) of the Lighting Fixtures and Lamps group. The primary manufacturer of record is Raytheon Company Div Corp. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 8 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN6240-00-155-7863
Primary Part Number277-1008P2
Item NameLamp,incandescent
FSC / FSG6240 / 62 — No Item Name Available
ManufacturerRaytheon Company Div Corp
StatusCANCELLED
Average Life Rating in Hours350.0
Filament Heavy Duty Service RatingNOT RATED
Bulb StyleT (TUBULAR)
Rated Average LifeHOURS
Bulb Light Transmission CharacteristicTRANSPARENT
Bulb DesignatorT-1 1/4
Light Output Rating0.040 SPHERICAL CANDLEPOWER NOMINAL SINGLE RATING
Light Center Length0.178 INCHES NOMINAL IN
Voltage Rating3.000 VOLTS NOMINAL
Emitted Light CharacteristicRED
Base StyleKNURLED SCREW (KOLLSMAN)
Wattage Rating1.710 WATTS
Filament DesignationC-2R
Current Rating for Which Designed0.190 AMPERES NOMINAL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 1
5975-00-242-42381261 INTERCHANGEABLE
Adapter,electrical Conduit
Abb Installation Products Inc
Cross-Reference Index
Part NumberManufacturer
277-1008P2 Raytheon Company Div Corp (USA)
365B508 Motorola Communications Group Parts Dept Div of Motorola Inc (USA)
323R Lamp Industry for Use with Industry Designations and Abbreviations for Lamps
852424ITEM28 Lockheed Martin Corporation Div Rms - Mitchel Field (USA)
MS25236-323R Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
AN3136R323 Aeronautical Standards Group Dept of Navy and Air Force (USA)
323R General Electric Co Miniature Lamp Products Dept Lighting Business Group (USA)
87-0156 Finnigan Corporation (USA)
Related Parts
5975-00-242-4238INTERCHANGEABLE
ADAPTER,ELECTRICAL CONDUIT
1261

Frequently Asked Questions

What is NSN 6240-00-155-7863?

NSN 6240-00-155-7863 is a Lamp,incandescent, manufactured by Raytheon Company Div Corp, classified under FSC 6240 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6240-00-155-7863?

NSN 6240-00-155-7863 has 8 cross-referenced part numbers: 277-1008P2 (Raytheon Company Div Corp), 365B508 (Motorola Communications Group Parts Dept Div of Motorola Inc), 323R (Lamp Industry for Use with Industry Designations and Abbreviations for Lamps), 852424ITEM28 (Lockheed Martin Corporation Div Rms - Mitchel Field), MS25236-323R (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M) and 3 more.

What NSN replaces 6240-00-155-7863?

There is 1 known substitute for 6240-00-155-7863: 5975-00-242-4238. Verify interchangeability with system specifications before substitution.

What are the specifications of 277-1008P2?

Key specifications for 277-1008P2: Average Life Rating in Hours: 350.0; Filament Heavy Duty Service Rating: NOT RATED; Bulb Style: T (TUBULAR); Rated Average Life: HOURS. 15 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6240-00-155-7863 still in active supply?

NSN 6240-00-155-7863 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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