PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

XL678/C10Lamp,concentrated Arc

Teledyne Uk Limited · NSN 6240-00-505-6099 · FSC 6240 · No Item Name Available
Verified by PartsTable
NSN 6240-00-505-6099 — this item is cataloged by the U.S. Government under National Stock Number 6240-00-505-6099. Primary manufacturer part number: XL678/C10.
Features
  • Lamp,concentrated Arc — FSC 6240
  • Voltage Rating: 20.000 VOLTS NOMINAL
  • Wattage Rating: 10.000 WATTS
  • Base Style: OCTAL FIVE PIN
  • Emitted Light Characteristic: COLORLESS
  • Average Life Rating in Hours: 450.0
  • Bulb Designator: T-9
  • Light Output Rating: 0.470 SPHERICAL CANDLEPOWER NOMINAL SINGLE RATING
Applications
  • Area illumination
  • Indicator and warning display
  • Navigation and signal lighting
General Description

The Lamp,concentrated Arc, cataloged under National Stock Number 6240-00-505-6099, is classified within Federal Supply Class 6240 (No Item Name Available) of the Lighting Fixtures and Lamps group. The primary manufacturer of record is Teledyne Uk Limited. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 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
NSN6240-00-505-6099
Primary Part NumberXL678/C10
Item NameLamp,concentrated Arc
FSC / FSG6240 / 62 — No Item Name Available
ManufacturerTeledyne Uk Limited
StatusACTIVE
Voltage Rating20.000 VOLTS NOMINAL
Wattage Rating10.000 WATTS
Base StyleOCTAL FIVE PIN
Emitted Light CharacteristicCOLORLESS
Average Life Rating in Hours450.0
Bulb DesignatorT-9
Light Output Rating0.470 SPHERICAL CANDLEPOWER NOMINAL SINGLE RATING
Bulb Light Transmission CharacteristicTRANSLUCENT
Bulb StyleT (TUBULAR)
Rated Average LifeHOURS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
2920-00-050-1034385411 R91 INTERCHANGEABLE
Spark Plug
Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/
7520-00-142-93527000031087 INTERCHANGEABLE
Dispenser,pressure Sensitive Adh
3m Company
5365-00-168-3225751-003022 INTERCHANGEABLE
Ring,lifting
Nelson Stud Welding, Inc. Dba Nelson Stud Welding Inc
5935-00-280-22191JC2189-22 INTERCHANGEABLE
Backshell,electrical Connector
Westinghouse Electric Corp
6670-00-280-2396SECURA224-1S INTERCHANGEABLE
Balance,analytical
Sartorius Corporation
4520-00-378-9684H10 INTERCHANGEABLE
Heating Element,electrical,nonim
Siemens Energy and Automation Inc Siemens Furnas Controls Div
5935-00-765-1238H10 INTERCHANGEABLE
Shell,electrical Connector
Winchester Interconnect Corporation Dba Winchester Interconnect Div Winchester Interconnect
5935-00-924-4424900285-0025-000 INTERCHANGEABLE
Shell,electrical Connector
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
4940-00-994-1803420-805AAA3 INTERCHANGEABLE
Leak Detector,refrigerant Gas
Duran Distributing, Inc Dba Quality Distributing Company
5340-00-997-4448B286 INTERCHANGEABLE
Crank,hand
Arcosa Marine Components, Llc
Cross-Reference Index
Part NumberManufacturer
H10 Western Union Telegraph Co Sub of Western Union Corp (USA)
C10 General Dynamics Mission Systems, Inc. (USA)
XL678/C10 PRIMARY Teledyne Uk Limited (GBR)
Related Parts
2920-00-050-1034INTERCHANGEABLE
SPARK PLUG
385411 R91
7520-00-142-9352INTERCHANGEABLE
DISPENSER,PRESSURE SENSITIVE ADH
7000031087
5365-00-168-3225INTERCHANGEABLE
RING,LIFTING
751-003022
5935-00-280-2219INTERCHANGEABLE
BACKSHELL,ELECTRICAL CONNECTOR
1JC2189-22
6670-00-280-2396INTERCHANGEABLE
BALANCE,ANALYTICAL
SECURA224-1S
4520-00-378-9684INTERCHANGEABLE
HEATING ELEMENT,ELECTRICAL,NONIM
H10
5935-00-765-1238INTERCHANGEABLE
SHELL,ELECTRICAL CONNECTOR
H10
5935-00-924-4424INTERCHANGEABLE
SHELL,ELECTRICAL CONNECTOR
900285-0025-000
4940-00-994-1803INTERCHANGEABLE
LEAK DETECTOR,REFRIGERANT GAS
420-805AAA3
5340-00-997-4448INTERCHANGEABLE
CRANK,HAND
B286
5330-01-027-6327INTERCHANGEABLE
GASKET
H-10
5935-01-060-4944INTERCHANGEABLE
SHELL,ELECTRICAL CONNECTOR
H10

Frequently Asked Questions

What is NSN 6240-00-505-6099?

NSN 6240-00-505-6099 is a Lamp,concentrated Arc, manufactured by Teledyne Uk Limited, classified under FSC 6240 (No Item Name Available). Status: active.

What are the part numbers for NSN 6240-00-505-6099?

NSN 6240-00-505-6099 has 3 cross-referenced part numbers: H10 (Western Union Telegraph Co Sub of Western Union Corp), C10 (General Dynamics Mission Systems, Inc.), XL678/C10 (Teledyne Uk Limited).

What NSN replaces 6240-00-505-6099?

There are 12 known substitutes for 6240-00-505-6099: 2920-00-050-1034, 7520-00-142-9352, 5365-00-168-3225 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of XL678/C10?

Key specifications for XL678/C10: Voltage Rating: 20.000 VOLTS NOMINAL; Wattage Rating: 10.000 WATTS; Overall Length: 3.312 INCHES NOMINAL3.312 INCHES NOMINAL IN; Base Style: OCTAL FIVE PIN. 11 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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