PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

42MB/CAP/130VLamp,incandescent

Osram Sylvania Inc. · NSN 6240-01-344-6667 · FSC 6240 · No Item Name Available
Verified by PartsTable
NSN 6240-01-344-6667 — this item is cataloged by the U.S. Government under National Stock Number 6240-01-344-6667. Primary manufacturer part number: 42MB/CAP/130V.
Features
  • Lamp,incandescent — FSC 6240
  • Filament Designation: C,CC-8
  • Bulb Designator: MB-19
  • Current Rating for Which Designed: 0.323 AMPERES NOMINAL
  • Light Output Rating: 665.000 LUMENS NOMINAL SINGLE RATING
  • Filament Heavy Duty Service Rating: NOT RATED
  • Bulb Light Transmission Characteristic: TRANSLUCENT
  • Emitted Light Characteristic: WHITE
Applications
  • Area illumination
  • Indicator and warning display
  • Navigation and signal lighting
General Description

The Lamp,incandescent, cataloged under National Stock Number 6240-01-344-6667, is classified within Federal Supply Class 6240 (No Item Name Available) of the Lighting Fixtures and Lamps group. The primary manufacturer of record is Osram Sylvania Inc.. Government technical data includes 15 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. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6240-01-344-6667
Primary Part Number42MB/CAP/130V
Item NameLamp,incandescent
FSC / FSG6240 / 62 — No Item Name Available
ManufacturerOsram Sylvania Inc.
StatusACTIVE
Filament DesignationC,CC-8
Bulb DesignatorMB-19
Current Rating for Which Designed0.323 AMPERES NOMINAL
Light Output Rating665.000 LUMENS NOMINAL SINGLE RATING
Filament Heavy Duty Service RatingNOT RATED
Bulb Light Transmission CharacteristicTRANSLUCENT
Emitted Light CharacteristicWHITE
Voltage Rating130.000 VOLTS NOMINAL
Bulb StyleC (CONE)
Light Center Length3.375 INCHES NOMINAL IN
Average Life Rating in Hours3500.0
Criticality Code JustificationFEAT
Wattage Rating42.000 WATTS
Base StyleMEDIUM SCREW
Rated Average LifeHOURS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5950-00-239-9445SCC60934 INTERCHANGEABLE
Transformer,power
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
4820-00-410-58221890-00 INTERCHANGEABLE
Diaphragm,valve,flat
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
5935-00-590-386533-1890-1 INTERCHANGEABLE
Adapter,connector
Amphenol Corporation Div Amphenol Rf
9150-01-095-5512L0189.001 INTERCHANGEABLE
Grease,ball and Roller Bearing
Fiske Bros Refining Co
6665-01-149-8635 INTERCHANGEABLE
Globe Assembly,meter
6515-01-588-6886EG-2990I INTERCHANGEABLE
Endoscopic Instrument,fiber Opti
Pentax of America, Inc. Dba Pentax Medical Div Pentax Medical
Cross-Reference Index
Part NumberManufacturer
42MB/CAP/130V Osram Sylvania Inc. (USA)
18901 Gte Products Corp Sylvania Miniature Lighting Div (USA)
18901 Osram Sylvania Inc. (USA)
42MB/CAP/130V Gte Products Corp Sylvania Miniature Lighting Div (USA)
Related Parts
5950-00-239-9445INTERCHANGEABLE
TRANSFORMER,POWER
SCC60934
4820-00-410-5822INTERCHANGEABLE
DIAPHRAGM,VALVE,FLAT
1890-00
5935-00-590-3865INTERCHANGEABLE
ADAPTER,CONNECTOR
33-1890-1
9150-01-095-5512INTERCHANGEABLE
GREASE,BALL AND ROLLER BEARING
L0189.001
6665-01-149-8635INTERCHANGEABLE
GLOBE ASSEMBLY,METER
6515-01-588-6886INTERCHANGEABLE
ENDOSCOPIC INSTRUMENT,FIBER OPTI
EG-2990I

Frequently Asked Questions

What is NSN 6240-01-344-6667?

NSN 6240-01-344-6667 is a Lamp,incandescent, manufactured by Osram Sylvania Inc., classified under FSC 6240 (No Item Name Available). Status: active.

What are the part numbers for NSN 6240-01-344-6667?

NSN 6240-01-344-6667 has 4 cross-referenced part numbers: 42MB/CAP/130V (Osram Sylvania Inc.), 18901 (Gte Products Corp Sylvania Miniature Lighting Div), 18901 (Osram Sylvania Inc.), 42MB/CAP/130V (Gte Products Corp Sylvania Miniature Lighting Div).

What NSN replaces 6240-01-344-6667?

There are 6 known substitutes for 6240-01-344-6667: 5950-00-239-9445, 4820-00-410-5822, 5935-00-590-3865 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 42MB/CAP/130V?

Key specifications for 42MB/CAP/130V: Filament Designation: C,CC-8; Overall Length: 4.375 INCHES NOMINAL IN; Bulb Designator: MB-19; Special Features: WATT-MISER. 17 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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