X48B

View detailed technical data, stock status, and sourcing information for: X48B
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Federal Supply Group

Lighting Fixtures and Lamps

Federal Supply Classification

6240 Electric Lamps

National Stock Number

6240-00-155-7864

Item Name Code

00727

Assigment Date

01/01/1961 (65 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.

350.0 average life rating in hours, c-2r filament designation, 0.250 spherical candlepower nominal single rating light output rating, not rated filament heavy duty service rating, 0.547 inches maximum overall length

Product Characteristics

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

Overall Length: 0.547 inches maximum
Filament Designation: c-2r
Light Output Rating: 0.250 spherical candlepower nominal single rating
Average Life Rating In Hours: 350.0
Filament Heavy Duty Service Rating: not rated
Emitted Light Characteristic: colorless
Light Center Length: 0.178 inches nominal
Voltage Rating: 3.000 volts nominal
Wattage Rating: 0.570 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: 0.190 amperes nominal
Rated Average Life: hours
Specification/Standard Data: 08108-323 manufacturers standard

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
6240-00-027-2971	No Name Available	05/14/1971
6240-00-295-1673	No Name Available	01/01/1963
6240-00-471-8803	No Name Available	11/01/1980
6240-00-947-6074	No Name Available	07/28/1972

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
262-0064-00	Incandescent Lamp
354-1146	Incandescent Lamp
365B507	Incandescent Lamp
5320672	Incandescent Lamp
6240001557864	Incandescent Lamp
6240PL0957549	Incandescent Lamp
71A900	Incandescent Lamp
8624355	Incandescent Lamp
87-0155	Incandescent Lamp
A18881-2	Incandescent Lamp
AN3136-323	Incandescent Lamp
BA10142-1Y	Incandescent Lamp
CM323	Incandescent Lamp
G20946-163	Incandescent Lamp
LTX323	Incandescent Lamp
MS15530-1TYPETS112	Incandescent Lamp
MS25236-323	Incandescent Lamp
P5136NI163	Incandescent Lamp
W-L-00111/10	Incandescent Lamp
X48B	Incandescent Lamp
X48D	Incandescent Lamp

FAQs

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

What is the FSCG of the NSN 6240-00-155-7864?

The FSCG of the NSN 6240-00-155-7864 is 6240

Does the NSN 6240-00-155-7864 have a Schedule B code assigned?

Yes, the Schedule B code is 9405490000

Does NSN 6240-00-155-7864 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 6240-00-155-7864 contain precious materials?

Item does not contain precious metal.

Does NSN 6240-00-155-7864 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 6240-00-155-7864 was assigned to the Federal Catalog?

It was assigned 65 years ago, on Sun, Jan 1, 1961