PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1594Lamp,incandescent

Norman Lamps Inc · NSN 6240-00-777-8535 · FSC 6240 · No Item Name Available
Verified by PartsTable
NSN 6240-00-777-8535 — this item is cataloged by the U.S. Government under National Stock Number 6240-00-777-8535. Primary manufacturer part number: 1594.
Features
  • Lamp,incandescent — FSC 6240
  • Filament Designation: C-6
  • Base Style: DOUBLE CONTACT BAYONET CANDELABRA
  • Light Output Rating: 36.000 SPHERICAL CANDLEPOWER NOMINAL SINGLE RATING
  • Average Life Rating in Hours: 250.0
  • Emitted Light Characteristic: WHITE
  • Current Rating for Which Designed: 5.000 AMPERES NOMINAL
  • Bulb Designator: S-8
Applications
  • Area illumination
  • Indicator and warning display
  • Navigation and signal lighting
General Description

The Lamp,incandescent, cataloged under National Stock Number 6240-00-777-8535, is classified within Federal Supply Class 6240 (No Item Name Available) of the Lighting Fixtures and Lamps group. The primary manufacturer of record is Norman Lamps Inc. Government technical data includes 16 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6240-00-777-8535
Primary Part Number1594
Item NameLamp,incandescent
FSC / FSG6240 / 62 — No Item Name Available
ManufacturerNorman Lamps Inc
StatusACTIVE
Filament DesignationC-6
Base StyleDOUBLE CONTACT BAYONET CANDELABRA
Light Output Rating36.000 SPHERICAL CANDLEPOWER NOMINAL SINGLE RATING
Average Life Rating in Hours250.0
Emitted Light CharacteristicWHITE
Current Rating for Which Designed5.000 AMPERES NOMINAL
Bulb DesignatorS-8
Light Center Length1.250 INCHES NOMINAL IN
Voltage Rating6.000 VOLTS NOMINAL
Rated Average LifeHOURS
Bulb Light Transmission CharacteristicTRANSLUCENT
Bulb StyleS (STRAIGHT SIDE)
Filament Heavy Duty Service RatingNOT RATED
Bulb Diameter1.040 INCHES MAXIMUM IN
Wattage Rating5.000 WATTS
Burning PositionBASE DOWN TO HORIZONTAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5950-00-080-572962A100C3010 INTERCHANGEABLE
Transformer,current
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5330-00-096-8419 INTERCHANGEABLE
Gasket
6240-00-155-8664 INTERCHANGEABLE
Lamp,incandescent
5895-00-225-9589 INTERCHANGEABLE
Amplifier-Power Supply
5961-00-248-5340MDA942A6 INTERCHANGEABLE
Rectifier,semiconductor Device,u
Microsemi Corp.- Massachusetts Dba Microsemi Lawrence
5925-00-386-8532 INTERCHANGEABLE
Interrupter,ground Fault
5998-00-445-79781203P32 INTERCHANGEABLE
Electronic Components Assembly
Bae Systems Information and Electronic Systems Integration Inc.
6685-01-063-53821594 INTERCHANGEABLE
Gage,vacuum,indicating
Dover Corp Groen Div
5310-01-194-48411594 INTERCHANGEABLE
Washer,flat
Eaton Aerospace, Llc Dba Jackson South
4730-01-228-1070 INTERCHANGEABLE
Coupling Half,quick Disconnect
Cross-Reference Index
Part NumberManufacturer
1594 PRIMARY Norman Lamps Inc (USA)
1594 General Electric Co Miniature Lamp Products Dept Lighting Business Group (USA)
CM1594 PRIMARY Chicago Miniature Lighting Llc Dba Chicago Miniature Optoelectron (USA)
SMC349488-2 Kalart Victor Corp (USA)
Related Parts
5950-00-080-5729INTERCHANGEABLE
TRANSFORMER,CURRENT
62A100C3010
5330-00-096-8419INTERCHANGEABLE
GASKET
6240-00-155-8664INTERCHANGEABLE
LAMP,INCANDESCENT
5895-00-225-9589INTERCHANGEABLE
AMPLIFIER-POWER SUPPLY
5961-00-248-5340INTERCHANGEABLE
RECTIFIER,SEMICONDUCTOR DEVICE,U
MDA942A6
5925-00-386-8532INTERCHANGEABLE
INTERRUPTER,GROUND FAULT
5998-00-445-7978INTERCHANGEABLE
ELECTRONIC COMPONENTS ASSEMBLY
1203P32
6685-01-063-5382INTERCHANGEABLE
GAGE,VACUUM,INDICATING
1594
5310-01-194-4841INTERCHANGEABLE
WASHER,FLAT
1594
4730-01-228-1070INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
5342-01-329-7016INTERCHANGEABLE
PARTS KIT,LEAF SPRING ASSEMBLY
1594
6105-01-331-1064INTERCHANGEABLE
MOTOR,ALTERNATING CURRENT

Frequently Asked Questions

What is NSN 6240-00-777-8535?

NSN 6240-00-777-8535 is a Lamp,incandescent, manufactured by Norman Lamps Inc, classified under FSC 6240 (No Item Name Available). Status: active.

What are the part numbers for NSN 6240-00-777-8535?

NSN 6240-00-777-8535 has 4 cross-referenced part numbers: 1594 (Norman Lamps Inc), 1594 (General Electric Co Miniature Lamp Products Dept Lighting Business Group), CM1594 (Chicago Miniature Lighting Llc Dba Chicago Miniature Optoelectron), SMC349488-2 (Kalart Victor Corp).

What NSN replaces 6240-00-777-8535?

There are 12 known substitutes for 6240-00-777-8535: 5950-00-080-5729, 5330-00-096-8419, 6240-00-155-8664 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1594?

Key specifications for 1594: Filament Designation: C-6; Base Style: DOUBLE CONTACT BAYONET CANDELABRA; Light Output Rating: 36.000 SPHERICAL CANDLEPOWER NOMINAL SINGLE RATING; Average Life Rating in Hours: 250.0. 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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