PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MS15535-5Lamp,incandescent

Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M · NSN 6240-00-635-9953 · FSC 6240 · No Item Name Available
Verified by PartsTable
NSN 6240-00-635-9953 — this item is cataloged by the U.S. Government under National Stock Number 6240-00-635-9953. Primary manufacturer part number: MS15535-5.
Features
  • Lamp,incandescent — FSC 6240
  • Current Rating for Which Designed: 8.333 AMPERES NOMINAL
  • Bulb Light Transmission Characteristic: TRANSPARENT
  • Light Beam Type: SPOT
  • Emitted Light Characteristic: COLORLESS
  • Nondefinitive Spec/std Data: I TYPE
  • Rated Average Life: HOURS
  • Features Provided: HEAT RESISTANT GLASS
Applications
  • Area illumination
  • Indicator and warning display
  • Navigation and signal lighting
General Description

The Lamp,incandescent, cataloged under National Stock Number 6240-00-635-9953, is classified within Federal Supply Class 6240 (No Item Name Available) of the Lighting Fixtures and Lamps group. The primary manufacturer of record is Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6240-00-635-9953
Primary Part NumberMS15535-5
Item NameLamp,incandescent
FSC / FSG6240 / 62 — No Item Name Available
ManufacturerMilitary Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
StatusACTIVE
Current Rating for Which Designed8.333 AMPERES NOMINAL
Bulb Light Transmission CharacteristicTRANSPARENT
Light Beam TypeSPOT
Emitted Light CharacteristicCOLORLESS
Nondefinitive Spec/std DataI TYPE
Rated Average LifeHOURS
Features ProvidedHEAT RESISTANT GLASS
Light Intensity Distribution FeaturePARABOLIC REFLECTOR
Bulb StylePAR (PARABOLIC, ALUMINIZED REFLECTOR)
Light Output Rating225000.000 SPHERICAL CANDLEPOWER NOMINAL SINGLE RATING
Specification/standard Data08108-4545 MANUFACTURERS STANDARD
Base StyleTWO SCREW TERMINALS
Bulb DesignatorPAR-56
Average Life Rating in Hours100.0
Filament Heavy Duty Service RatingNOT RATED
Wattage Rating100.000 WATTS
Voltage Rating12.000 VOLTS NOMINAL
Filament DesignationC-6
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5841-00-056-5399126-008-0001 INTERCHANGEABLE
Heating Element
Northrop Grumman Systems Corporation
5960-00-195-383510000702 INTERCHANGEABLE
Electron Tube
Kollmorgen Corp Macbeth Div
4940-00-204-2896TGC545 INTERCHANGEABLE
Cup,paint,spray Gun
Illinois Tool Works Inc.
1650-00-304-61774545 INTERCHANGEABLE
Cap,linear Actuating Cylinder
Goodrich Corporation
5935-00-365-919345285CL INTERCHANGEABLE
Connector,receptacle,electrical
Hubbell Incorporated (delaware) Dba Wiring Device-Kellems Division
5950-00-840-5406 INTERCHANGEABLE
Coil,radio Frequency
5905-01-009-5537995-5B3R90J INTERCHANGEABLE
Resistor,fixed,film
Ohmite Holding, L.l.c. Dba Ohmite Manufacturing
5950-01-105-1222 INTERCHANGEABLE
Transformer,power
5915-01-196-96134545 INTERCHANGEABLE
Filter,band Suppression
Teledyne Defense Electronics, Llc Dba Teledyne Microwave Solutions
Cross-Reference Index
Part NumberManufacturer
MS15535-5 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
98040-0020 Itt Jabsco Products (USA)
4545 Philips Electronics North America Corporation Dba Philips Lighting Div Philips Lighting Company (USA)
4545 Lamp Industry for Use with Industry Designations and Abbreviations for Lamps
Related Parts
5841-00-056-5399INTERCHANGEABLE
HEATING ELEMENT
126-008-0001
5960-00-195-3835INTERCHANGEABLE
ELECTRON TUBE
10000702
4940-00-204-2896INTERCHANGEABLE
CUP,PAINT,SPRAY GUN
TGC545
1650-00-304-6177INTERCHANGEABLE
CAP,LINEAR ACTUATING CYLINDER
4545
5935-00-365-9193INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
45285CL
5950-00-840-5406INTERCHANGEABLE
COIL,RADIO FREQUENCY
5905-01-009-5537INTERCHANGEABLE
RESISTOR,FIXED,FILM
995-5B3R90J
5950-01-105-1222INTERCHANGEABLE
TRANSFORMER,POWER
5915-01-196-9613INTERCHANGEABLE
FILTER,BAND SUPPRESSION
4545

Frequently Asked Questions

What is NSN 6240-00-635-9953?

NSN 6240-00-635-9953 is a Lamp,incandescent, manufactured by Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 6240 (No Item Name Available). Status: active.

What are the part numbers for NSN 6240-00-635-9953?

NSN 6240-00-635-9953 has 4 cross-referenced part numbers: MS15535-5 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), 98040-0020 (Itt Jabsco Products), 4545 (Philips Electronics North America Corporation Dba Philips Lighting Div Philips Lighting Company), 4545 (Lamp Industry for Use with Industry Designations and Abbreviations for Lamps).

What NSN replaces 6240-00-635-9953?

There are 9 known substitutes for 6240-00-635-9953: 5841-00-056-5399, 5960-00-195-3835, 4940-00-204-2896 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MS15535-5?

Key specifications for MS15535-5: Current Rating for Which Designed: 8.333 AMPERES NOMINAL; Bulb Light Transmission Characteristic: TRANSPARENT; Light Beam Type: SPOT; Emitted Light Characteristic: COLORLESS. 20 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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