J4A

View detailed technical data, stock status, and sourcing information for: J4A
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Federal Supply Group

Lighting Fixtures and Lamps

Federal Supply Classification

6240 Electric Lamps

National Stock Number

6240-00-635-9754

Item Name Code

05758

Assigment Date

01/01/1963 (63 years ago)

0.250 watts wattage rating, 1.500 inches maximum overall length, blue emitted light characteristic, 120.000 minimum and 135.000 maximum circuit voltage rating in volts, not rated light intensity level

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Overall Length: 1.500 inches maximum
Light Intensity Level: not rated
Circuit Voltage Rating In Volts: 120.000 minimum and 135.000 maximum
Emitted Light Characteristic: blue
Wattage Rating: 0.250 watts
Base Style: double contact bayonet candelabra
Bulb Style: t (tubular)
Bulb Designator: t-4 1/2
Filling Gas Type: argon
Gas Striking Voltage Rating In Volts And Current Type: 120.0 dc maximum 2nd voltage
Gas Striking Voltage Rating In Volts And Current Type: 85.0 ac maximum 1st voltage
Resistor Rating And Location: 15.000 kilohms external
Rated Average Life: not rated
Specification/Standard Data: 08108-j3a manufacturers standard

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
6240-00-265-7189	No Name Available	01/01/1963
6240-00-299-6870	No Name Available	01/01/1963
6240-00-886-3278	No Name Available	12/01/2013
6240-00-952-8499	No Name Available	04/01/1976

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number	Name
87-0539	Glow Lamp
AR-4(J3A)	Glow Lamp
J4A	Glow Lamp
M15098-6-001	Glow Lamp

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 6240-00-635-9754?

The FSCG of the NSN 6240-00-635-9754 is 6240

Does the NSN 6240-00-635-9754 have a Schedule B code assigned?

Yes, the Schedule B code is 9405400000

Does NSN 6240-00-635-9754 require demilitarization?

Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.

Does NSN 6240-00-635-9754 contain precious materials?

Precious metal content is unknown

Does NSN 6240-00-635-9754 contain hazardous materials?

Indicates there is no information in the hmirs. The nsn is in a fsc in table ii of fed std 313 and a msds may be required by the user. The requirement for a msds is dependent on a hazard determination of the supplier or the intended end use of item.

When the NSN 6240-00-635-9754 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963