PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B2Lamp,incandescent

Lucent Technologies Inc Corporate Headquarters · NSN 6240-00-498-7669 · FSC 6240 · No Item Name Available
Verified by PartsTable
NSN 6240-00-498-7669 — this item is cataloged by the U.S. Government under National Stock Number 6240-00-498-7669. Primary manufacturer part number: B2.
Features
  • Lamp,incandescent — FSC 6240
  • Emitted Light Characteristic: COLORLESS
  • Bulb Style: T (TUBULAR)
  • Bulb Light Transmission Characteristic: TRANSPARENT
  • Specification/standard Data: 08108-18A1 MANUFACTURERS STANDARD
  • Base Style: TELEPHONE SLIDE NUMBER ONE
  • Rated Average Life: INDEFINITE LONG
  • Light Output Rating: 0.150 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 6240-00-498-7669, is classified within Federal Supply Class 6240 (No Item Name Available) of the Lighting Fixtures and Lamps group. The primary manufacturer of record is Lucent Technologies Inc Corporate Headquarters. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 16 commercial cross-references from 15 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN6240-00-498-7669
Primary Part NumberB2
Item NameLamp,incandescent
FSC / FSG6240 / 62 — No Item Name Available
ManufacturerLucent Technologies Inc Corporate Headquarters
StatusCANCELLED
Emitted Light CharacteristicCOLORLESS
Bulb StyleT (TUBULAR)
Bulb Light Transmission CharacteristicTRANSPARENT
Specification/standard Data08108-18A1 MANUFACTURERS STANDARD
Base StyleTELEPHONE SLIDE NUMBER ONE
Rated Average LifeINDEFINITE LONG
Light Output Rating0.150 SPHERICAL CANDLEPOWER NOMINAL SINGLE RATING
Current Rating for Which Designed0.035 AMPERES MINIMUM AND 0.045 AMPERES MAXIMUM
Filament Heavy Duty Service RatingEXTENDED SERVICE
Bulb DesignatorT-2
Wattage Rating0.720 WATTS
Filament DesignationC-2F
Voltage Rating18.000 VOLTS NOMINAL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5310-00-011-0405 INTERCHANGEABLE
Washer,lock
5310-00-052-0326 INTERCHANGEABLE
Washer,spring Tension
5905-00-241-2748 INTERCHANGEABLE
Resistor,variable,wire Wound,non
3445-00-263-010318A INTERCHANGEABLE
Punching Machine,metal,hand
Rotex Punch Company, Inc Dba Uni-Wrap
3433-00-272-61762W INTERCHANGEABLE
Wire Control Unit,metalizing Gun
Oerlikon Metco Us Inc
4430-00-278-990918A INTERCHANGEABLE
Oven,thermal Drying,electric
Precision Scientific Petroleum Instruments Co
5120-00-288-9297288-9297 INTERCHANGEABLE
Handle,extension,wrench
General Services Administration Federal Supply Service
5920-00-295-947118A INTERCHANGEABLE
Fuseholder,extractor Post
Lucent Technologies Inc Corporate Headquarters
3120-00-516-147918A INTERCHANGEABLE
Bushing,sleeve
Lake Shore Systems, Inc.
1005-00-523-0135 INTERCHANGEABLE
Trigger
Cross-Reference Index
Part NumberManufacturer
SM-18A1 Jkl Components, Corporation (USA)
B2 American Telephone and Telegraph Co (USA)
30-1008849-2 Gte Government Systems Corp Strategic Systems Div (USA)
18A1 Lamptronix Co Ltd (USA)
C78-391 American National Standards Institute Incorporated Dba American National Standards Institute (USA)
18A Shelly Associates Inc. (USA)
SM-18A1 Stanley Electric Co. Ltd (JPN)
18A-1 Philips Electronics North America Corporation Dba Philips Lighting Div Philips Lighting Company (USA)
18A1 General Electric Co Miniature Lamp Products Dept Lighting Business Group (USA)
B2 Lucent Technologies Inc Dba Federal Marketing Group (USA)
B2 At and T Corp (USA)
30-1008849-2 General Dynamics Mission Systems, Inc. (USA)
B2 PRIMARY Lucent Technologies Inc Corporate Headquarters (USA)
2W Zf Industrieantriebe Witten Gmbh (DEU)
18A1 PRIMARY Lamp Industry for Use with Industry Designations and Abbreviations for Lamps
SM-18A1 PRIMARY Stanley Electric Co. Ltd (JPN)
Related Parts
5310-00-011-0405INTERCHANGEABLE
WASHER,LOCK
5310-00-052-0326INTERCHANGEABLE
WASHER,SPRING TENSION
5905-00-241-2748INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,NON
3445-00-263-0103INTERCHANGEABLE
PUNCHING MACHINE,METAL,HAND
18A
3433-00-272-6176INTERCHANGEABLE
WIRE CONTROL UNIT,METALIZING GUN
2W
4430-00-278-9909INTERCHANGEABLE
OVEN,THERMAL DRYING,ELECTRIC
18A
5120-00-288-9297INTERCHANGEABLE
HANDLE,EXTENSION,WRENCH
288-9297
5920-00-295-9471INTERCHANGEABLE
FUSEHOLDER,EXTRACTOR POST
18A
3120-00-516-1479INTERCHANGEABLE
BUSHING,SLEEVE
18A
1005-00-523-0135INTERCHANGEABLE
TRIGGER
5120-00-542-4171INTERCHANGEABLE
PLIERS,WIRE TWISTER
5805-00-835-0134INTERCHANGEABLE
CLOSURE,CABLE
1A1CL0SURE

Frequently Asked Questions

What is NSN 6240-00-498-7669?

NSN 6240-00-498-7669 is a Lamp,incandescent, manufactured by Lucent Technologies Inc Corporate Headquarters, classified under FSC 6240 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6240-00-498-7669?

NSN 6240-00-498-7669 has 16 cross-referenced part numbers: SM-18A1 (Jkl Components, Corporation), B2 (American Telephone and Telegraph Co), 30-1008849-2 (Gte Government Systems Corp Strategic Systems Div), 18A1 (Lamptronix Co Ltd), C78-391 (American National Standards Institute Incorporated Dba American National Standards Institute) and 11 more.

What NSN replaces 6240-00-498-7669?

There are 12 known substitutes for 6240-00-498-7669: 5310-00-011-0405, 5310-00-052-0326, 5905-00-241-2748 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of B2?

Key specifications for B2: Emitted Light Characteristic: COLORLESS; Bulb Style: T (TUBULAR); Bulb Light Transmission Characteristic: TRANSPARENT; Specification/standard Data: 08108-18A1 MANUFACTURERS STANDARD. 14 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6240-00-498-7669 still in active supply?

NSN 6240-00-498-7669 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.
PartsTable Design LLC · partstable.com