PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

35BLamp,incandescent

Micro Lamps Inc. · NSN 6240-01-006-1255 · FSC 6240 · No Item Name Available
Verified by PartsTable
NSN 6240-01-006-1255 — this item is cataloged by the U.S. Government under National Stock Number 6240-01-006-1255. Primary manufacturer part number: 35B.
Features
  • Lamp,incandescent — FSC 6240
  • Bulb Designator: T-2
  • Filament Heavy Duty Service Rating: NOT RATED
  • Current Rating for Which Designed: 0.072 AMPERES NOMINAL
  • Bulb Style: T (TUBULAR)
  • Voltage Rating: 35.000 VOLTS NOMINAL
  • Filament Designation: C-7A A
  • Base Style: TELEPHONE SLIDE NUMBER THREE
Applications
  • Area illumination
  • Indicator and warning display
  • Navigation and signal lighting
General Description

The Lamp,incandescent, cataloged under National Stock Number 6240-01-006-1255, is classified within Federal Supply Class 6240 (No Item Name Available) of the Lighting Fixtures and Lamps group. The primary manufacturer of record is Micro Lamps Inc.. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 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
NSN6240-01-006-1255
Primary Part Number35B
Item NameLamp,incandescent
FSC / FSG6240 / 62 — No Item Name Available
ManufacturerMicro Lamps Inc.
StatusACTIVE
Bulb DesignatorT-2
Filament Heavy Duty Service RatingNOT RATED
Current Rating for Which Designed0.072 AMPERES NOMINAL
Bulb StyleT (TUBULAR)
Voltage Rating35.000 VOLTS NOMINAL
Filament DesignationC-7A A
Base StyleTELEPHONE SLIDE NUMBER THREE
Emitted Light CharacteristicWHITE
Rated Average LifeHOURS
Bulb Light Transmission CharacteristicTRANSPARENT
Features ProvidedCARBON FILAMENT
Average Life Rating in Hours5000.0
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5920-00-156-083838789 INTERCHANGEABLE
Fuse,indicator Alarm
Stromberg-Carlson Corp a Plessey Telecommunications Co
5999-00-242-00783-5B INTERCHANGEABLE
Contact Assembly,electrical
Atb Laurence Scott Ltd
4720-00-278-492035B 1IN INTERCHANGEABLE
Hose,nonmetallic
Gates Corporation
4720-00-278-492435B 1-1/4IN INTERCHANGEABLE
Hose,nonmetallic
Gates Corporation
6685-01-133-552935B5F-40/120F 81-11(12IN)1/2NPT INTERCHANGEABLE
Thermometer,indicating,capillary
Palmer Instruments Inc. Dba Palmer Instruments Inc
4610-01-198-447135B INTERCHANGEABLE
Water Purification Unit,unmounte
Sethco Div of Met Pro Corp
4140-01-199-9771 INTERCHANGEABLE
Fan
2090-01-284-4311804-5959312 INTERCHANGEABLE
Prop Assembly
Naval Sea Systems Command
Cross-Reference Index
Part NumberManufacturer
35B General Electric Company (USA)
35B Chicago Miniature Lighting Llc Dba Chicago Miniature Optoelectron (USA)
35B PRIMARY Micro Lamps Inc. (USA)
35B Gte Products Corp Lighting Products Group (USA)
Related Parts
5920-00-156-0838INTERCHANGEABLE
FUSE,INDICATOR ALARM
38789
5999-00-242-0078INTERCHANGEABLE
CONTACT ASSEMBLY,ELECTRICAL
3-5B
4720-00-278-4920INTERCHANGEABLE
HOSE,NONMETALLIC
35B 1IN
4720-00-278-4924INTERCHANGEABLE
HOSE,NONMETALLIC
35B 1-1/4IN
6685-01-133-5529INTERCHANGEABLE
THERMOMETER,INDICATING,CAPILLARY
35B5F-40/120F 81-11(12IN)1/2NPT
4610-01-198-4471INTERCHANGEABLE
WATER PURIFICATION UNIT,UNMOUNTE
35B
4140-01-199-9771INTERCHANGEABLE
FAN
2090-01-284-4311INTERCHANGEABLE
PROP ASSEMBLY
804-5959312

Frequently Asked Questions

What is NSN 6240-01-006-1255?

NSN 6240-01-006-1255 is a Lamp,incandescent, manufactured by Micro Lamps Inc., classified under FSC 6240 (No Item Name Available). Status: active.

What are the part numbers for NSN 6240-01-006-1255?

NSN 6240-01-006-1255 has 4 cross-referenced part numbers: 35B (General Electric Company), 35B (Chicago Miniature Lighting Llc Dba Chicago Miniature Optoelectron), 35B (Micro Lamps Inc.), 35B (Gte Products Corp Lighting Products Group).

What NSN replaces 6240-01-006-1255?

There are 8 known substitutes for 6240-01-006-1255: 5920-00-156-0838, 5999-00-242-0078, 4720-00-278-4920 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 35B?

Key specifications for 35B: Bulb Designator: T-2; Filament Heavy Duty Service Rating: NOT RATED; Current Rating for Which Designed: 0.072 AMPERES NOMINAL; Bulb Style: T (TUBULAR). 14 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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