PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

507-4538-1531-610Lamp,cartridge

Dialight Corporation · NSN 6240-00-435-7940 · FSC 6240 · No Item Name Available
Verified by PartsTable
NSN 6240-00-435-7940 — this item is cataloged by the U.S. Government under National Stock Number 6240-00-435-7940. Primary manufacturer part number: 507-4538-1531-610.
Features
  • Lamp,cartridge — FSC 6240
  • Cartridge Style: LONG CYLINDRICAL
  • Cartridge Overall Length: 1.453 INCHES MAXIMUM IN
  • Filling Gas Type: NEON
  • Base Style: CARTRIDGE TWO PIN POLARIZED
  • Lens Light Transmission Characteristic: TRANSPARENT
  • Average Life Rating in Hours: 5000.0
  • Lens Color: RED
Applications
  • Area illumination
  • Indicator and warning display
  • Navigation and signal lighting
  • Applications requiring Plastic Lens construction
General Description

The Lamp,cartridge, cataloged under National Stock Number 6240-00-435-7940, is classified within Federal Supply Class 6240 (No Item Name Available) of the Lighting Fixtures and Lamps group. The primary manufacturer of record is Dialight Corporation. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN6240-00-435-7940
Primary Part Number507-4538-1531-610
Item NameLamp,cartridge
FSC / FSG6240 / 62 — No Item Name Available
ManufacturerDialight Corporation
StatusCANCELLED
Cartridge StyleLONG CYLINDRICAL
Cartridge Overall Length1.453 INCHES MAXIMUM IN
Filling Gas TypeNEON
Base StyleCARTRIDGE TWO PIN POLARIZED
Lens Light Transmission CharacteristicTRANSPARENT
Average Life Rating in Hours5000.0
Lens ColorRED
Light Intensity LevelHIGH
Primary Lamp TypeGLOW
Cartridge Overall Diameter0.320 INCHES MINIMUM AND 0.340 INCHES MAXIMUM IN
MaterialPLASTIC LENS
MaterialALUMINUM SLEEVE
Rated Average LifeHOURS
Gas Striking Voltage Rating in Volts and Current Type95.0 AC NOMINAL FIRST VOLTAGE
Gas Striking Voltage Rating in Volts and Current Type135.0 DC NOMINAL SECOND VOLTAGE
Resistor Rating and Location22.000 KILOHMS INTERNAL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 2
3120-00-957-6666309-0424-000 INTERCHANGEABLE
Bearing,sleeve
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
3040-01-205-2069A2385 INTERCHANGEABLE
Roller,lever,remote
Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic
Cross-Reference Index
Part NumberManufacturer
507-4538-1531-610 PRIMARY Dialight Corporation (USA)
901-153A-042RN Littelfuse, Inc. (USA)
45H18K1531 PRIMARY Dialight Corporation (USA)
CN04RCSN121 Genisco Filter Corp (USA)
CN04RCSN121 PRIMARY Spectrum Control, Inc. Div Api Technologies - Eis/wesson (USA)
A2385 PRIMARY Howell Laboratories Inc Dba Howell Laboratories Inc (USA)
45H22K1531 Dialight Corporation (USA)
Related Parts
3120-00-957-6666INTERCHANGEABLE
BEARING,SLEEVE
309-0424-000
3040-01-205-2069INTERCHANGEABLE
ROLLER,LEVER,REMOTE
A2385

Frequently Asked Questions

What is NSN 6240-00-435-7940?

NSN 6240-00-435-7940 is a Lamp,cartridge, manufactured by Dialight Corporation, classified under FSC 6240 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6240-00-435-7940?

NSN 6240-00-435-7940 has 7 cross-referenced part numbers: 507-4538-1531-610 (Dialight Corporation), 901-153A-042RN (Littelfuse, Inc.), 45H18K1531 (Dialight Corporation), CN04RCSN121 (Genisco Filter Corp), CN04RCSN121 (Spectrum Control, Inc. Div Api Technologies - Eis/wesson) and 2 more.

What NSN replaces 6240-00-435-7940?

There are 2 known substitutes for 6240-00-435-7940: 3120-00-957-6666, 3040-01-205-2069. Verify interchangeability with system specifications before substitution.

What are the specifications of 507-4538-1531-610?

Key specifications for 507-4538-1531-610: Cartridge Style: LONG CYLINDRICAL; Cartridge Overall Length: 1.453 INCHES MAXIMUM IN; Filling Gas Type: NEON; Base Style: CARTRIDGE TWO PIN POLARIZED. 16 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6240-00-435-7940 still in active supply?

NSN 6240-00-435-7940 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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