PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

18-79Lampholder

Lighting Components and Design Incorporated Dba Lc&d · NSN 6250-00-804-3563 · FSC 6250 · No Item Name Available
Verified by PartsTable
NSN 6250-00-804-3563 — this item is cataloged by the U.S. Government under National Stock Number 6250-00-804-3563. Primary manufacturer part number: 18-79.
Features
  • Lampholder — FSC 6250
  • Outside Diameter: 0.469 INCHES NOMINAL IN
  • Material: STEEL MOUNTING
  • Style Designator: SCREW
  • Terminal Quantity: 2
  • Terminal Type: TAB, SOLDER LUG
  • Material: COPPER ALLOY SHELL
  • Lamp Base Type Accommodated: CANDELABRA SCREW
Applications
  • Applications requiring Steel Mounting construction
General Description

The Lampholder, cataloged under National Stock Number 6250-00-804-3563, is classified within Federal Supply Class 6250 (No Item Name Available) of the Lighting Fixtures and Lamps group. The primary manufacturer of record is Lighting Components and Design Incorporated Dba Lc&d. Government technical data includes 19 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN6250-00-804-3563
Primary Part Number18-79
Item NameLampholder
FSC / FSG6250 / 62 — No Item Name Available
ManufacturerLighting Components and Design Incorporated Dba Lc&d
StatusCANCELLED
Outside Diameter0.469 INCHES NOMINAL IN
MaterialSTEEL MOUNTING
Style DesignatorSCREW
Terminal Quantity2
Terminal TypeTAB, SOLDER LUG
MaterialCOPPER ALLOY SHELL
Lamp Base Type AccommodatedCANDELABRA SCREW
Height1.062 INCHES NOMINAL IN
MaterialPLASTIC PHENOL FORMALDEHYDE (PMO) BODY
Width0.500 INCHES NOMINAL IN
Mounting Slot Width0.173 INCHES NOMINAL IN
Hazardous Locations/environmental ProtectionNOT RATED
Mounting Feature TypeSURFACE
Mounting Bracket StyleUP
Wattage Rating in Watts75.0
Mounting Slot Length0.656 INCHES NOMINAL IN
Mounting MethodBRACKET(S) LOCATION NOT OTHERWISE SPECIFIED
Mounting Device Quantity1
Voltage in Volts125.0
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 5
5999-00-257-5748972739 INTERCHANGEABLE
Contact,electrical
Westinghouse Electric Corp
5955-00-392-36561879 INTERCHANGEABLE
Oscillator,crystal Controlled
Microsemi Corp. - High Performance Timing Dba Vectron International- Cancelled
6145-00-643-0640 INTERCHANGEABLE
Wire,electrical
6685-00-821-3027 INTERCHANGEABLE
Control,pneumatic a
4820-01-237-3258550-036 INTERCHANGEABLE
Valve
Kirby Morgan Dive Systems Inc
Cross-Reference Index
Part NumberManufacturer
18-79 Dialight Corporation (USA)
18-79 PRIMARY Lighting Components and Design Incorporated Dba Lc&d (USA)
Related Parts
5999-00-257-5748INTERCHANGEABLE
CONTACT,ELECTRICAL
972739
5955-00-392-3656INTERCHANGEABLE
OSCILLATOR,CRYSTAL CONTROLLED
1879
6145-00-643-0640INTERCHANGEABLE
WIRE,ELECTRICAL
6685-00-821-3027INTERCHANGEABLE
CONTROL,PNEUMATIC A
4820-01-237-3258INTERCHANGEABLE
VALVE
550-036

Frequently Asked Questions

What is NSN 6250-00-804-3563?

NSN 6250-00-804-3563 is a Lampholder, manufactured by Lighting Components and Design Incorporated Dba Lc&d, classified under FSC 6250 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6250-00-804-3563?

NSN 6250-00-804-3563 has 2 cross-referenced part numbers: 18-79 (Dialight Corporation), 18-79 (Lighting Components and Design Incorporated Dba Lc&d).

What NSN replaces 6250-00-804-3563?

There are 5 known substitutes for 6250-00-804-3563: 5999-00-257-5748, 5955-00-392-3656, 6145-00-643-0640 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 18-79?

Key specifications for 18-79: Outside Diameter: 0.469 INCHES NOMINAL IN; Material: STEEL MOUNTING; Style Designator: SCREW; Terminal Quantity: 2. 20 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6250-00-804-3563 still in active supply?

NSN 6250-00-804-3563 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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