WL101-78T

Incandescent Lamp

This page provides complete and verified information for part number WL101-78T, NSN 6240-00-519-0969

You’ll find detailed technical specifications, product attributes, condition classification, and real-time stock availability. All data is based on official records and meets industry standards for defense, aerospace, and industrial sourcing. Whether you’re performing a parts audit, validating compliance, or preparing a purchase order, this part listing supports accurate and efficient procurement.

WL101-78T
Federal Supply Group
Lighting Fixtures and Lamps
Federal Supply Classification
6240 Electric Lamps
National Stock Number
6240-00-519-0969
Item Name Code
00727
Assigment Date
01/01/1963 (63 years ago)

4.375 inches maximum overall length, not rated filament heavy duty service rating, white emitted light characteristic, 500.0 average life rating in hours, c-17 filament designation

Characteristics

Below are the official specifications and performance details for this part, including technical data, material composition, and compliance information.

Overall Length
4.375 inches maximum
Filament Designation
c-17
Average Life Rating In Hours
500.0
Filament Heavy Duty Service Rating
not rated
Emitted Light Characteristic
white
Light Center Length
2.938 inches nominal
Voltage Rating
125.000 volts nominal
Wattage Rating
100.000 watts
Base Style
medium screw
Bulb Style
a (arbitrary designation)
Bulb Designator
a-21
Bulb Light Transmission Characteristic
translucent
Rated Average Life
hours
Specification/Standard Data
08108-100a21rs-125v manufacturers standard

Classification Data

Detailed NSN information including identification codes, classification data, and key indicators used for cataloging, logistics, and supply management.

Type of Item Identification
4 - Partial descriptive item identification (type 1 concept)
Source of Supply
D9I -
Demilitarization
A - 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.
Criticality
X - The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Federal Item Identification Guide
A07900
Precious Metals Indicator
U - Precious metal content is unknown
Pseudo Item Name Code
0000727
Hazardous Material Indicator
P - 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.
Schedule B Code
9405490000

Freight Information

Comprehensive freight classifications, shipping codes, and handling specifications for domestic and international transport compliance.

Major Organizational Entity
XX

FAQs

Get insights on installation procedures, operating conditions, care instructions, industry regulations, and common issues. FAQs below provide key information for WL101-78T

What is the FSCG of the NSN 6240-00-519-0969?
The FSCG of the NSN 6240-00-519-0969 is 6240
Does the NSN 6240-00-519-0969 have a Schedule B code assigned?
Yes, the Schedule B code is 9405490000
Does NSN 6240-00-519-0969 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 6240-00-519-0969 contain precious materials?
Precious metal content is unknown
Does NSN 6240-00-519-0969 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 6240-00-519-0969 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Tue, Jan 1, 1963

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