CM8639

View detailed technical data, stock status, and sourcing information for: CM8639
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Federal Supply Group

Lighting Fixtures and Lamps

Federal Supply Classification

6240 Electric Lamps

National Stock Number

6240-00-072-0352

Item Name Code

00727

Assigment Date

01/01/1963 (63 years ago)

An item whose principal purpose is to produce light from a glowing filament(s). It includes metal backed and reflecting types, seal beam and flood types. It may include an integral filament shield to control and/or modify its illumination pattern.

c-2r filament designation, 0.546 inches maximum overall length, 0.630 beam candlepower nominal single rating light output rating, not rated filament heavy duty service rating, 1000.0 average life rating in hours

Product Characteristics

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

Overall Length: 0.546 inches maximum
Filament Designation: c-2r
Light Output Rating: 0.630 beam candlepower nominal single rating
Average Life Rating In Hours: 1000.0
Filament Heavy Duty Service Rating: not rated
Emitted Light Characteristic: white
Light Center Length: 0.330 inches nominal
Voltage Rating: 6.000 volts nominal
Wattage Rating: 1.200 watts
Base Style: knurled screw (kollsman)
Bulb Style: t (tubular)
Bulb Designator: t-1 1/4
Bulb Light Transmission Characteristic: transparent
Current Rating For Which Designed: 0.200 amperes nominal
Rated Average Life: hours
Specification/Standard Data: 08108-8639 manufacturers standard

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
6240-00-009-4118	No Name Available	06/01/2007

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
12318020	Incandescent Lamp
319926-123	Incandescent Lamp
5452A116	Incandescent Lamp
CM8639	Incandescent Lamp

FAQs

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

What is the FSCG of the NSN 6240-00-072-0352?

The FSCG of the NSN 6240-00-072-0352 is 6240

Does the NSN 6240-00-072-0352 have a Schedule B code assigned?

Yes, the Schedule B code is 9405490000

Does NSN 6240-00-072-0352 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 6240-00-072-0352 contain precious materials?

Precious metal content is unknown

Does NSN 6240-00-072-0352 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 6240-00-072-0352 was assigned to the Federal Catalog?

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