PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

30CLamp,incandescent

Gte Products Corp Miniature Lighting Products Group · NSN 6240-00-539-9770 · FSC 6240 · No Item Name Available
Verified by PartsTable
NSN 6240-00-539-9770 — this item is cataloged by the U.S. Government under National Stock Number 6240-00-539-9770. Primary manufacturer part number: 30C.
Features
  • Lamp,incandescent — FSC 6240
  • Rated Average Life: HOURS
  • Bulb Designator: T-2
  • Voltage Rating: 30.000 VOLTS NOMINAL
  • Base Style: TELEPHONE SLIDE NUMBER THREE
  • Emitted Light Characteristic: WHITE
  • Light Output Rating: 1000.000 END FOOTCANDLES NOMINAL SINGLE RATING
  • Bulb Style: T (TUBULAR)
Applications
  • Area illumination
  • Indicator and warning display
  • Navigation and signal lighting
General Description

The Lamp,incandescent, cataloged under National Stock Number 6240-00-539-9770, is classified within Federal Supply Class 6240 (No Item Name Available) of the Lighting Fixtures and Lamps group. The primary manufacturer of record is Gte Products Corp Miniature Lighting Products Group. 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6240-00-539-9770
Primary Part Number30C
Item NameLamp,incandescent
FSC / FSG6240 / 62 — No Item Name Available
ManufacturerGte Products Corp Miniature Lighting Products Group
StatusACTIVE
Rated Average LifeHOURS
Bulb DesignatorT-2
Voltage Rating30.000 VOLTS NOMINAL
Base StyleTELEPHONE SLIDE NUMBER THREE
Emitted Light CharacteristicWHITE
Light Output Rating1000.000 END FOOTCANDLES NOMINAL SINGLE RATING
Bulb StyleT (TUBULAR)
Features ProvidedFILAMENT SHIELDING AND HEAT RESISTANT GLASS
Bulb Light Transmission CharacteristicTRANSPARENT
Average Life Rating in Hours4000.0
Current Rating for Which Designed0.032 AMPERES MINIMUM AND 0.044 AMPERES MAXIMUM
Filament DesignationC-2
Filament Heavy Duty Service RatingNOT RATED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5961-00-070-888713211E6947 INTERCHANGEABLE
Semiconductor Device,diode
Cecom Lr Center
3405-00-150-7178 INTERCHANGEABLE
Saw,power Hack
6240-00-155-8002SMB528673 INTERCHANGEABLE
Lamp,incandescent
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5940-00-193-020430C INTERCHANGEABLE
Terminal Board
Lucent Technologies Inc Corporate Headquarters
5935-00-259-020682-201 INTERCHANGEABLE
Adapter,connector
Amphenol Corporation Div Amphenol Rf
6240-00-269-0970 INTERCHANGEABLE
Lamp,incandescent
6240-00-426-1972 INTERCHANGEABLE
Lamp,incandescent
5340-00-598-2809 INTERCHANGEABLE
Catch,friction
5999-00-683-3508 INTERCHANGEABLE
Clip,electrical
6240-00-715-10392450-00032 INTERCHANGEABLE
Lamp,incandescent
W. & O. Supply, Inc. Dba Emi Div Emi
Cross-Reference Index
Part NumberManufacturer
30C Gte Products Corp Miniature Lighting Products Group (USA)
C78-393 American National Standards Institute Incorporated Dba American National Standards Institute (USA)
Related Parts
5961-00-070-8887INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
13211E6947
3405-00-150-7178INTERCHANGEABLE
SAW,POWER HACK
6240-00-155-8002INTERCHANGEABLE
LAMP,INCANDESCENT
SMB528673
5940-00-193-0204INTERCHANGEABLE
TERMINAL BOARD
30C
5935-00-259-0206INTERCHANGEABLE
ADAPTER,CONNECTOR
82-201
6240-00-269-0970INTERCHANGEABLE
LAMP,INCANDESCENT
6240-00-426-1972INTERCHANGEABLE
LAMP,INCANDESCENT
5340-00-598-2809INTERCHANGEABLE
CATCH,FRICTION
5999-00-683-3508INTERCHANGEABLE
CLIP,ELECTRICAL
6240-00-715-1039INTERCHANGEABLE
LAMP,INCANDESCENT
2450-00032
6240-00-715-1040INTERCHANGEABLE
LAMP,INCANDESCENT
6240-00-715-1046INTERCHANGEABLE
LAMP,INCANDESCENT
6C3

Frequently Asked Questions

What is NSN 6240-00-539-9770?

NSN 6240-00-539-9770 is a Lamp,incandescent, manufactured by Gte Products Corp Miniature Lighting Products Group, classified under FSC 6240 (No Item Name Available). Status: active.

What are the part numbers for NSN 6240-00-539-9770?

NSN 6240-00-539-9770 has 2 cross-referenced part numbers: 30C (Gte Products Corp Miniature Lighting Products Group), C78-393 (American National Standards Institute Incorporated Dba American National Standards Institute).

What NSN replaces 6240-00-539-9770?

There are 12 known substitutes for 6240-00-539-9770: 5961-00-070-8887, 3405-00-150-7178, 6240-00-155-8002 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 30C?

Key specifications for 30C: Rated Average Life: HOURS; Bulb Designator: T-2; Voltage Rating: 30.000 VOLTS NOMINAL; Base Style: TELEPHONE SLIDE NUMBER THREE. 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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