PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

J3ALamp,glow

Lamp Industry for Use with Industry Designations and Abbreviations for Lamps · NSN 6240-00-635-9754 · FSC 6240 · No Item Name Available
Verified by PartsTable
NSN 6240-00-635-9754 — this item is cataloged by the U.S. Government under National Stock Number 6240-00-635-9754. Primary manufacturer part number: J3A.
Features
  • Lamp,glow — FSC 6240
  • Base Style: DOUBLE CONTACT BAYONET CANDELABRA
  • Gas Striking Voltage Rating in Volts and Current Type: 85.0 AC MAXIMUM FIRST VOLTAGE
  • Gas Striking Voltage Rating in Volts and Current Type: 120.0 DC MAXIMUM SECOND VOLTAGE
  • Resistor Rating and Location: 15.000 KILOHMS EXTERNAL
  • Rated Average Life: NOT RATED
  • Bulb Style: T (TUBULAR)
  • Emitted Light Characteristic: BLUE
Applications
  • Area illumination
  • Indicator and warning display
  • Navigation and signal lighting
General Description

The Lamp,glow, cataloged under National Stock Number 6240-00-635-9754, is classified within Federal Supply Class 6240 (No Item Name Available) of the Lighting Fixtures and Lamps group. The primary manufacturer of record is Lamp Industry for Use with Industry Designations and Abbreviations for Lamps. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 10 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN6240-00-635-9754
Primary Part NumberJ3A
Item NameLamp,glow
FSC / FSG6240 / 62 — No Item Name Available
ManufacturerLamp Industry for Use with Industry Designations and Abbreviations for Lamps
StatusCANCELLED
Base StyleDOUBLE CONTACT BAYONET CANDELABRA
Gas Striking Voltage Rating in Volts and Current Type85.0 AC MAXIMUM FIRST VOLTAGE
Gas Striking Voltage Rating in Volts and Current Type120.0 DC MAXIMUM SECOND VOLTAGE
Resistor Rating and Location15.000 KILOHMS EXTERNAL
Rated Average LifeNOT RATED
Bulb StyleT (TUBULAR)
Emitted Light CharacteristicBLUE
Filling Gas TypeARGON
Circuit Voltage Rating in Volts120.000 MINIMUM AND 135.000 MAXIMUM
Light Intensity LevelNOT RATED
Bulb DesignatorT-4 1/2
Wattage Rating0.250 WATTS
Specification/standard Data08108-J3A MANUFACTURERS STANDARD
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 10
3950-00-102-2406AR4 INTERCHANGEABLE
Hoist,chain
Ratcliff Hoist Co
3110-00-112-5616AR4 INTERCHANGEABLE
Bearing,roller,needle
Timken Co Div the Timken Company
5965-00-161-1512G3163-300 INTERCHANGEABLE
Earphone Element
Telephone Company of America Incorporated
3110-00-278-6995SF4-5J INTERCHANGEABLE
Bearing,roller,rod End
Rexnord Industries, Llc Div Aerosspace Bearing Operation
5985-00-437-6409J3A INTERCHANGEABLE
Switch,radio Frequency Transmiss
Trompeter Electronics, Inc.
5920-01-091-8966 INTERCHANGEABLE
Protector,telephone
5310-01-097-7814870539 INTERCHANGEABLE
Washer,flat
David Brown Hydraulics Inc Dba Hydreco
5310-01-246-5785 INTERCHANGEABLE
Washer,flat
6680-01-485-4712FG CSO-277 INTERCHANGEABLE
Pt-2 Probe Tip Ha-8
Amphenol (maryland) Inc
5940-01-648-48477A20710 REV A FIND NO 168 INTERCHANGEABLE
Terminal Board
Federal Equipment Co
Cross-Reference Index
Part NumberManufacturer
J3A Lamp Industry for Use with Industry Designations and Abbreviations for Lamps
AR-4(J3A) General Electric Co Miniature Lamp Products Dept Lighting Business Group (USA)
MILL15098 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
HA8 General Electric Co Miniature Lamp Products Dept Lighting Business Group (USA)
87-0539 Finnigan Corporation (USA)
AR4 Lamp Industry for Use with Industry Designations and Abbreviations for Lamps
HA8 Lamp Industry for Use with Industry Designations and Abbreviations for Lamps
J4A American National Standards Institute Incorporated Dba American National Standards Institute (USA)
M15098-6-001 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
AR4 General Electric Company (USA)
Related Parts
3950-00-102-2406INTERCHANGEABLE
HOIST,CHAIN
AR4
3110-00-112-5616INTERCHANGEABLE
BEARING,ROLLER,NEEDLE
AR4
5965-00-161-1512INTERCHANGEABLE
EARPHONE ELEMENT
G3163-300
3110-00-278-6995INTERCHANGEABLE
BEARING,ROLLER,ROD END
SF4-5J
5985-00-437-6409INTERCHANGEABLE
SWITCH,RADIO FREQUENCY TRANSMISS
J3A
5920-01-091-8966INTERCHANGEABLE
PROTECTOR,TELEPHONE
5310-01-097-7814INTERCHANGEABLE
WASHER,FLAT
870539
5310-01-246-5785INTERCHANGEABLE
WASHER,FLAT
6680-01-485-4712INTERCHANGEABLE
PT-2 PROBE TIP HA-8
FG CSO-277
5940-01-648-4847INTERCHANGEABLE
TERMINAL BOARD
7A20710 REV A FIND NO 168

Frequently Asked Questions

What is NSN 6240-00-635-9754?

NSN 6240-00-635-9754 is a Lamp,glow, manufactured by Lamp Industry for Use with Industry Designations and Abbreviations for Lamps, classified under FSC 6240 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6240-00-635-9754?

NSN 6240-00-635-9754 has 10 cross-referenced part numbers: J3A (Lamp Industry for Use with Industry Designations and Abbreviations for Lamps), AR-4(J3A) (General Electric Co Miniature Lamp Products Dept Lighting Business Group), MILL15098 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), HA8 (General Electric Co Miniature Lamp Products Dept Lighting Business Group), 87-0539 (Finnigan Corporation) and 5 more.

What NSN replaces 6240-00-635-9754?

There are 10 known substitutes for 6240-00-635-9754: 3950-00-102-2406, 3110-00-112-5616, 5965-00-161-1512 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of J3A?

Key specifications for J3A: Base Style: DOUBLE CONTACT BAYONET CANDELABRA; Gas Striking Voltage Rating in Volts and Current Type: 85.0 AC MAXIMUM FIRST VOLTAGE; Gas Striking Voltage Rating in Volts and Current Type: 120.0 DC MAXIMUM SECOND VOLTAGE; Resistor Rating and Location: 15.000 KILOHMS EXTERNAL. 14 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6240-00-635-9754 still in active supply?

NSN 6240-00-635-9754 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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