PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1888Lamp,incandescent

Lamp Industry for Use with Industry Designations and Abbreviations for Lamps · NSN 6240-00-946-9655 · FSC 6240 · No Item Name Available
Verified by PartsTable
NSN 6240-00-946-9655 — this item is cataloged by the U.S. Government under National Stock Number 6240-00-946-9655. Primary manufacturer part number: 1888.
Features
  • Lamp,incandescent — FSC 6240
  • Bulb Style: T (TUBULAR)
  • Emitted Light Characteristic: COLORLESS
  • Light Center Length: 0.562 INCHES NOMINAL IN
  • Average Life Rating in Hours: 1500.0
  • Bulb Designator: T-3 1/4
  • Wattage Rating: 3.500 WATTS
  • Current Rating for Which Designed: 0.500 AMPERES NOMINAL
Applications
  • Area illumination
  • Indicator and warning display
  • Navigation and signal lighting
General Description

The Lamp,incandescent, cataloged under National Stock Number 6240-00-946-9655, 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 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 12 commercial cross-references from 12 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6240-00-946-9655
Primary Part Number1888
Item NameLamp,incandescent
FSC / FSG6240 / 62 — No Item Name Available
ManufacturerLamp Industry for Use with Industry Designations and Abbreviations for Lamps
StatusACTIVE
Bulb StyleT (TUBULAR)
Emitted Light CharacteristicCOLORLESS
Light Center Length0.562 INCHES NOMINAL IN
Average Life Rating in Hours1500.0
Bulb DesignatorT-3 1/4
Wattage Rating3.500 WATTS
Current Rating for Which Designed0.500 AMPERES NOMINAL
Voltage Rating7.000 VOLTS NOMINAL
Filament Heavy Duty Service RatingNOT RATED
Base StyleMINIATURE BAYONET
Bulb Light Transmission CharacteristicTRANSPARENT
Light Output Rating2.000 SPHERICAL CANDLEPOWER NOMINAL SINGLE RATING
Specification/standard Data08108-1888 MANUFACTURERS STANDARD
Filament DesignationC-2R
Rated Average LifeHOURS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5305-00-004-21941888 INTERCHANGEABLE
Screw,shoulder
L3harris Technologies, Inc. Div Space and Airborne Systems
5310-00-014-8099188-8 INTERCHANGEABLE
Washer,flat
Lockheed Martin Corporation Div Rms
5935-00-173-72851299 INTERCHANGEABLE
Connector,receptacle,electrical
Halsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron
5950-00-199-17491888 INTERCHANGEABLE
Transformer,power
Freed Transformer Co
5910-00-754-69560180-0065 INTERCHANGEABLE
Capacitor,fixed,electrolytic
Agilent Technologies, Inc. Div Agilent Technologies Headquarters
5330-00-832-77621888 INTERCHANGEABLE
Seal,nonmetallic Special Shaped
Rubbercraft Corporation of California, Ltd. Dba Rubbercraft Corp
5340-01-175-91510188X00008 INTERCHANGEABLE
Strike,catch
Kason Hardware a Div of Kason Inc
5905-01-307-6235188-8 INTERCHANGEABLE
Resistor,fixed,film
Vishay Intertechnology, Inc.
7310-01-593-32531888 INTERCHANGEABLE
Sno-Cone Machine
Gold Medal Products Co Dba Gold Medal Products Co Div Gold Medal Products Company
Cross-Reference Index
Part NumberManufacturer
1888 Inter-Market Inc (USA)
65S138284 Motorola Communications Group Parts Dept Div of Motorola Inc (USA)
1888 Shelly Associates Inc. (USA)
1888 Philips Electronics North America Corporation Dba Philips Lighting Div Philips Lighting Company (USA)
1888 General Electric Co Miniature Lamp Products Dept Lighting Business Group (USA)
87-0745 Bae Systems Information & Electronic Systems Integration Inc. (USA)
1888 PRIMARY Lamp Industry for Use with Industry Designations and Abbreviations for Lamps
87-0745 Finnigan Corporation (USA)
LTX1888 Lamptronix Co Ltd (USA)
10079005 Storage Technology Corporation Dba Storagetek (USA)
19785-39 Sypris Electronics, Llc (USA)
PL1888 Precision Lamp Inc (USA)
Related Parts
5305-00-004-2194INTERCHANGEABLE
SCREW,SHOULDER
1888
5310-00-014-8099INTERCHANGEABLE
WASHER,FLAT
188-8
5935-00-173-7285INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
1299
5950-00-199-1749INTERCHANGEABLE
TRANSFORMER,POWER
1888
5910-00-754-6956INTERCHANGEABLE
CAPACITOR,FIXED,ELECTROLYTIC
0180-0065
5330-00-832-7762INTERCHANGEABLE
SEAL,NONMETALLIC SPECIAL SHAPED
1888
5340-01-175-9151INTERCHANGEABLE
STRIKE,CATCH
0188X00008
5905-01-307-6235INTERCHANGEABLE
RESISTOR,FIXED,FILM
188-8
7310-01-593-3253INTERCHANGEABLE
SNO-CONE MACHINE
1888

Frequently Asked Questions

What is NSN 6240-00-946-9655?

NSN 6240-00-946-9655 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 6240-00-946-9655?

NSN 6240-00-946-9655 has 12 cross-referenced part numbers: 1888 (Inter-Market Inc), 65S138284 (Motorola Communications Group Parts Dept Div of Motorola Inc), 1888 (Shelly Associates Inc.), 1888 (Philips Electronics North America Corporation Dba Philips Lighting Div Philips Lighting Company), 1888 (General Electric Co Miniature Lamp Products Dept Lighting Business Group) and 7 more.

What NSN replaces 6240-00-946-9655?

There are 9 known substitutes for 6240-00-946-9655: 5305-00-004-2194, 5310-00-014-8099, 5935-00-173-7285 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1888?

Key specifications for 1888: Bulb Style: T (TUBULAR); Emitted Light Characteristic: COLORLESS; Light Center Length: 0.562 INCHES NOMINAL IN; Average Life Rating in Hours: 1500.0. 16 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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