PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

D9493ALamp,incandescent

Gte Communication Systems Corp · NSN 6240-00-156-1602 · FSC 6240 · No Item Name Available
Verified by PartsTable
NSN 6240-00-156-1602 — this item is cataloged by the U.S. Government under National Stock Number 6240-00-156-1602. Primary manufacturer part number: D9493A.
Features
  • Lamp,incandescent — FSC 6240
  • Light Output Rating: 1000.000 END FOOTCANDLES NOMINAL SINGLE RATING
  • Emitted Light Characteristic: WHITE
  • Filament Heavy Duty Service Rating: NOT RATED
  • Voltage Rating: 24.000 VOLTS NOMINAL
  • Wattage Rating: 2.160 WATTS AND 2.640 WATTS
  • Current Rating for Which Designed: 0.090 AMPERES MINIMUM AND 0.110 AMPERES MAXIMUM
  • 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 6240-00-156-1602, 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 Communication Systems Corp. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 14 commercial cross-references from 13 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN6240-00-156-1602
Primary Part NumberD9493A
Item NameLamp,incandescent
FSC / FSG6240 / 62 — No Item Name Available
ManufacturerGte Communication Systems Corp
StatusCANCELLED
Light Output Rating1000.000 END FOOTCANDLES NOMINAL SINGLE RATING
Emitted Light CharacteristicWHITE
Filament Heavy Duty Service RatingNOT RATED
Voltage Rating24.000 VOLTS NOMINAL
Wattage Rating2.160 WATTS AND 2.640 WATTS
Current Rating for Which Designed0.090 AMPERES MINIMUM AND 0.110 AMPERES MAXIMUM
Bulb StyleT (TUBULAR)
Bulb DesignatorT-2
Bulb Light Transmission CharacteristicTRANSPARENT
Base StyleTELEPHONE SLIDE SPECIAL
Rated Average LifeINDEFINITE LONG
Filament DesignationC-21
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 9
5920-00-221-4554W3R3/4 INTERCHANGEABLE
Fuse,enclosed Link
Cooper Bussmann, Llc Dba Cooper Industries
5960-00-256-0586 INTERCHANGEABLE
Retainer,electron Tube
5305-00-310-0370 INTERCHANGEABLE
Screw,adjusting,bed
3120-00-626-2450129911 INTERCHANGEABLE
Bushing,sleeve
Marotta Controls Inc
6240-00-789-3370 INTERCHANGEABLE
Lamp,incandescent
5120-00-834-3731 INTERCHANGEABLE
Nutdriver
5945-00-863-5851 INTERCHANGEABLE
Relay,fan Control
5930-01-030-7183 INTERCHANGEABLE
Switch,code Indicating Wheel
5120-01-307-4117 INTERCHANGEABLE
Trowel
Cross-Reference Index
Part NumberManufacturer
D9493A Gte Communication Systems Corp (USA)
1224TA L3harris Technologies, Inc. Dba Harris Corporation (USA)
43001296-1 I S S Div of Sperry Univac (USA)
MS15609-8 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
C78-391 American National Standards Institute Incorporated Dba American National Standards Institute (USA)
1224TA Itt Industries Inc Itt Aerospace Communications Div East (USA)
4C542-5 Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir (USA)
24D1 General Electric Co Miniature Lamp Products Dept Lighting Business Group (USA)
24D Philips Electronics North America Corporation Dba Philips Lighting Div Philips Lighting Company (USA)
24D2 General Dynamics Mission Systems, Inc. (USA)
12991-1 Wade Antenna Inc Div Taco Antenna (CAN)
24D1 Satair A/s (DNK)
DB72 Gte Communication Systems Corp (USA)
A2LAMP American Telephone and Telegraph Co (USA)
Related Parts
5920-00-221-4554INTERCHANGEABLE
FUSE,ENCLOSED LINK
W3R3/4
5960-00-256-0586INTERCHANGEABLE
RETAINER,ELECTRON TUBE
5305-00-310-0370INTERCHANGEABLE
SCREW,ADJUSTING,BED
3120-00-626-2450INTERCHANGEABLE
BUSHING,SLEEVE
129911
6240-00-789-3370INTERCHANGEABLE
LAMP,INCANDESCENT
5120-00-834-3731INTERCHANGEABLE
NUTDRIVER
5945-00-863-5851INTERCHANGEABLE
RELAY,FAN CONTROL
5930-01-030-7183INTERCHANGEABLE
SWITCH,CODE INDICATING WHEEL
5120-01-307-4117INTERCHANGEABLE
TROWEL

Frequently Asked Questions

What is NSN 6240-00-156-1602?

NSN 6240-00-156-1602 is a Lamp,incandescent, manufactured by Gte Communication Systems Corp, classified under FSC 6240 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6240-00-156-1602?

NSN 6240-00-156-1602 has 14 cross-referenced part numbers: D9493A (Gte Communication Systems Corp), 1224TA (L3harris Technologies, Inc. Dba Harris Corporation), 43001296-1 (I S S Div of Sperry Univac), MS15609-8 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), C78-391 (American National Standards Institute Incorporated Dba American National Standards Institute) and 9 more.

What NSN replaces 6240-00-156-1602?

There are 9 known substitutes for 6240-00-156-1602: 5920-00-221-4554, 5960-00-256-0586, 5305-00-310-0370 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of D9493A?

Key specifications for D9493A: Light Output Rating: 1000.000 END FOOTCANDLES NOMINAL SINGLE RATING; Emitted Light Characteristic: WHITE; Filament Heavy Duty Service Rating: NOT RATED; Voltage Rating: 24.000 VOLTS NOMINAL. 13 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6240-00-156-1602 still in active supply?

NSN 6240-00-156-1602 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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