PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

6Z6848-3Lamp,incandescent

Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir · NSN 6240-00-250-6438 · FSC 6240 · No Item Name Available
Verified by PartsTable
NSN 6240-00-250-6438 — this item is cataloged by the U.S. Government under National Stock Number 6240-00-250-6438. Primary manufacturer part number: 6Z6848-3.
Features
  • Lamp,incandescent — FSC 6240
  • Rated Average Life: NOT RATED
  • Filament Designation: C-5
  • Bulb Style: S (STRAIGHT SIDE)
  • Wattage Rating: 2.500 WATTS
  • Base Style: CANDELABRA SCREW
  • Filament Heavy Duty Service Rating: NOT RATED
  • Bulb Light Transmission Characteristic: TRANSPARENT
Applications
  • Area illumination
  • Indicator and warning display
  • Navigation and signal lighting
General Description

The Lamp,incandescent, cataloged under National Stock Number 6240-00-250-6438, is classified within Federal Supply Class 6240 (No Item Name Available) of the Lighting Fixtures and Lamps group. The primary manufacturer of record is Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 11 commercial cross-references from 8 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
NSN6240-00-250-6438
Primary Part Number6Z6848-3
Item NameLamp,incandescent
FSC / FSG6240 / 62 — No Item Name Available
ManufacturerUs Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
StatusACTIVE
Rated Average LifeNOT RATED
Filament DesignationC-5
Bulb StyleS (STRAIGHT SIDE)
Wattage Rating2.500 WATTS
Base StyleCANDELABRA SCREW
Filament Heavy Duty Service RatingNOT RATED
Bulb Light Transmission CharacteristicTRANSPARENT
Emitted Light CharacteristicWHITE
Bulb DesignatorS-6
Voltage Rating50.000 VOLTS NOMINAL
Current Rating for Which Designed0.050 AMPERES NOMINAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
6240-00-143-3049 INTERCHANGEABLE
Lamp,incandescent
6240-00-143-3060 INTERCHANGEABLE
Lamp,incandescent
6740-00-144-6805 INTERCHANGEABLE
Splicer,photographic Film
5330-00-154-877221161-0052 INTERCHANGEABLE
Seal,plain Encased
Garlock Sealing Technologies Llc Dba Garlock Sealing Technologies Llc
5961-00-296-2763S6 INTERCHANGEABLE
Semiconductor Device,diode
Entron Industries Limited Partnership Dba Entron Industries Property Div
5325-00-343-5431 INTERCHANGEABLE
Grommet,nonmetallic
6680-00-526-8866S6-L INTERCHANGEABLE
Tachometer,mechanical,fixed Moun
Schulze Mfg., Inc.
6680-00-530-0545S6A INTERCHANGEABLE
Tachometer,mechanical,fixed Moun
Schulze Mfg., Inc.
6240-00-553-1038 INTERCHANGEABLE
Lamp,incandescent
4520-00-786-5590A2151-01J INTERCHANGEABLE
Heating Element,electrical,nonim
Vulcan Electric Co Ltd
Cross-Reference Index
Part NumberManufacturer
6S6DC General Electric Co Outdoor Breaker Business Section (USA)
S-6 General Electric Co Outdoor Breaker Business Section (USA)
S6 General Electric Co Industry Control Dept of Switchgear and Control Division of Apparatus Group (USA)
UA10040 L3harris Technologies, Inc. Dba Harris Corporation (USA)
GS6 Zf Industrieantriebe Witten Gmbh (DEU)
D718-04 ITEM 10 Lewis Corp (USA)
6Z6848-3 PRIMARY Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir (USA)
UA10040 Itt Industries Inc Itt Aerospace Communications Div East (USA)
CST 1461 Lewis Corp (USA)
CST-146-1 Zf Industrieantriebe Witten Gmbh (DEU)
6S650V PRIMARY Westinghouse Electric Corp (USA)
Related Parts
6240-00-143-3049INTERCHANGEABLE
LAMP,INCANDESCENT
6240-00-143-3060INTERCHANGEABLE
LAMP,INCANDESCENT
6740-00-144-6805INTERCHANGEABLE
SPLICER,PHOTOGRAPHIC FILM
5330-00-154-8772INTERCHANGEABLE
SEAL,PLAIN ENCASED
21161-0052
5961-00-296-2763INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
S6
5325-00-343-5431INTERCHANGEABLE
GROMMET,NONMETALLIC
6680-00-526-8866INTERCHANGEABLE
TACHOMETER,MECHANICAL,FIXED MOUN
S6-L
6680-00-530-0545INTERCHANGEABLE
TACHOMETER,MECHANICAL,FIXED MOUN
S6A
6240-00-553-1038INTERCHANGEABLE
LAMP,INCANDESCENT
4520-00-786-5590INTERCHANGEABLE
HEATING ELEMENT,ELECTRICAL,NONIM
A2151-01J
6645-00-841-0026INTERCHANGEABLE
TIMER,STOP
6680-00-843-8822INTERCHANGEABLE
TACHOMETER,MECHANICAL,FIXED MOUN
S6-10

Frequently Asked Questions

What is NSN 6240-00-250-6438?

NSN 6240-00-250-6438 is a Lamp,incandescent, manufactured by Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir, classified under FSC 6240 (No Item Name Available). Status: active.

What are the part numbers for NSN 6240-00-250-6438?

NSN 6240-00-250-6438 has 11 cross-referenced part numbers: 6S6DC (General Electric Co Outdoor Breaker Business Section), S-6 (General Electric Co Outdoor Breaker Business Section), S6 (General Electric Co Industry Control Dept of Switchgear and Control Division of Apparatus Group), UA10040 (L3harris Technologies, Inc. Dba Harris Corporation), GS6 (Zf Industrieantriebe Witten Gmbh) and 6 more.

What NSN replaces 6240-00-250-6438?

There are 12 known substitutes for 6240-00-250-6438: 6240-00-143-3049, 6240-00-143-3060, 6740-00-144-6805 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 6Z6848-3?

Key specifications for 6Z6848-3: Rated Average Life: NOT RATED; Filament Designation: C-5; Overall Length: 1.750 INCHES MAXIMUM IN; Bulb Style: S (STRAIGHT SIDE). 12 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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