PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

20MR1616Q/40/FL(BAB)Lamp,incandescent

Gte Products Corp Sylvania Miniature Lighting Div · NSN 6240-01-306-4320 · FSC 6240 · No Item Name Available
Verified by PartsTable
NSN 6240-01-306-4320 — this item is cataloged by the U.S. Government under National Stock Number 6240-01-306-4320. Primary manufacturer part number: 20MR1616Q/40/FL(BAB).
Features
  • Lamp,incandescent — FSC 6240
  • Voltage Rating: 12.000 VOLTS NOMINAL
  • Emitted Light Characteristic: COLORLESS
  • Filament Designation: C-6
  • Current Rating for Which Designed: 1.666 AMPERES NOMINAL
  • Bulb Light Transmission Characteristic: TRANSLUCENT
  • Average Life Rating in Hours: 3000.0
  • Rated Average Life: HOURS
Applications
  • Area illumination
  • Indicator and warning display
  • Navigation and signal lighting
General Description

The Lamp,incandescent, cataloged under National Stock Number 6240-01-306-4320, is classified within Federal Supply Class 6240 (No Item Name Available) of the Lighting Fixtures and Lamps group. The primary manufacturer of record is Gte Products Corp Sylvania Miniature Lighting Div. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN6240-01-306-4320
Primary Part Number20MR1616Q/40/FL(BAB)
Item NameLamp,incandescent
FSC / FSG6240 / 62 — No Item Name Available
ManufacturerGte Products Corp Sylvania Miniature Lighting Div
StatusCANCELLED
Voltage Rating12.000 VOLTS NOMINAL
Emitted Light CharacteristicCOLORLESS
Filament DesignationC-6
Current Rating for Which Designed1.666 AMPERES NOMINAL
Bulb Light Transmission CharacteristicTRANSLUCENT
Average Life Rating in Hours3000.0
Rated Average LifeHOURS
Bulb StyleMR (ARBITARY DESIGNATION FOR LAMP WITH INTEGRAL REFLECTOR)
Light Output Rating460.000 SPHERICAL CANDLEPOWER NOMINAL SINGLE RATING
Base Style2-PIN
Filament Heavy Duty Service RatingNOT RATED
Light Intensity Distribution FeatureINSIDE FROSTED
Bulb DesignatorMR-16
Wattage Rating20.000 WATTS
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 8
6520-00-000-006414790 INTERCHANGEABLE
Bur,dental,excavating
Ss White Burs Llc
3020-00-118-408314790 INTERCHANGEABLE
Gear,crankshaft Rea
Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.
2825-00-147-9035 INTERCHANGEABLE
Collar
5133-00-228-135714790 INTERCHANGEABLE
Drill,twist
Viking Drill & Tool, Inc.
5136-00-236-426654490 INTERCHANGEABLE
Tap,thread Cutting
Tapco Cutting Tools Inc
4720-00-738-587701905-101 INTERCHANGEABLE
Hose Assembly,metallic
Senior Operations Llc Div Senior Aerospace Ssp
4810-01-451-3633BAB INTERCHANGEABLE
Adapter,stem
Emerson Automation Solutions Final Control Us Lp
5920-01-602-924114790 INTERCHANGEABLE
Strap,wrist,electrostatic Discha
Desco Industries Inc ESD Systems Div
Cross-Reference Index
Part NumberManufacturer
BAB General Electric Co Lighting Systems Dept (USA)
Q20MR16/FL40-BAB General Electric Co Lighting Systems Dept (USA)
20MR1616Q/40/FL(BAB) PRIMARY Gte Products Corp Sylvania Miniature Lighting Div (USA)
14790 General Electric Co Lighting Systems Dept (USA)
Related Parts
6520-00-000-0064INTERCHANGEABLE
BUR,DENTAL,EXCAVATING
14790
3020-00-118-4083INTERCHANGEABLE
GEAR,CRANKSHAFT REA
14790
2825-00-147-9035INTERCHANGEABLE
COLLAR
5133-00-228-1357INTERCHANGEABLE
DRILL,TWIST
14790
5136-00-236-4266INTERCHANGEABLE
TAP,THREAD CUTTING
54490
4720-00-738-5877INTERCHANGEABLE
HOSE ASSEMBLY,METALLIC
01905-101
4810-01-451-3633INTERCHANGEABLE
ADAPTER,STEM
BAB
5920-01-602-9241INTERCHANGEABLE
STRAP,WRIST,ELECTROSTATIC DISCHA
14790

Frequently Asked Questions

What is NSN 6240-01-306-4320?

NSN 6240-01-306-4320 is a Lamp,incandescent, manufactured by Gte Products Corp Sylvania Miniature Lighting Div, classified under FSC 6240 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6240-01-306-4320?

NSN 6240-01-306-4320 has 4 cross-referenced part numbers: BAB (General Electric Co Lighting Systems Dept), Q20MR16/FL40-BAB (General Electric Co Lighting Systems Dept), 20MR1616Q/40/FL(BAB) (Gte Products Corp Sylvania Miniature Lighting Div), 14790 (General Electric Co Lighting Systems Dept).

What NSN replaces 6240-01-306-4320?

There are 8 known substitutes for 6240-01-306-4320: 6520-00-000-0064, 3020-00-118-4083, 2825-00-147-9035 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 20MR1616Q/40/FL(BAB)?

Key specifications for 20MR1616Q/40/FL(BAB): Voltage Rating: 12.000 VOLTS NOMINAL; Overall Length: 1.750 INCHES NOMINAL IN; Emitted Light Characteristic: COLORLESS; Filament Designation: C-6. 15 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6240-01-306-4320 still in active supply?

NSN 6240-01-306-4320 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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