PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1634Lamp,incandescent

Lamp Industry for Use with Industry Designations and Abbreviations for Lamps · NSN 6240-00-057-1966 · FSC 6240 · No Item Name Available
Verified by PartsTable
NSN 6240-00-057-1966 — this item is cataloged by the U.S. Government under National Stock Number 6240-00-057-1966. Primary manufacturer part number: 1634.
Features
  • Lamp,incandescent — FSC 6240
  • Bulb Style: S (STRAIGHT SIDE)
  • Voltage Rating: 20.000 VOLTS NOMINAL
  • Specification/standard Data: 08108-1634 MANUFACTURERS STANDARD
  • Light Output Rating: 24.000 SPHERICAL CANDLEPOWER NOMINAL SINGLE RATING
  • Filament Designation: CC-6
  • Bulb Light Transmission Characteristic: TRANSPARENT
  • Light Center Length: 1.250 INCHES NOMINAL IN
Applications
  • Area illumination
  • Indicator and warning display
  • Navigation and signal lighting
General Description

The Lamp,incandescent, cataloged under National Stock Number 6240-00-057-1966, is classified within Federal Supply Class 6240 (No Item Name Available) of the Lighting Fixtures and Lamps group. The primary manufacturer of record is Lamp Industry for Use with Industry Designations and Abbreviations for Lamps. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 9 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN6240-00-057-1966
Primary Part Number1634
Item NameLamp,incandescent
FSC / FSG6240 / 62 — No Item Name Available
ManufacturerLamp Industry for Use with Industry Designations and Abbreviations for Lamps
StatusCANCELLED
Bulb StyleS (STRAIGHT SIDE)
Voltage Rating20.000 VOLTS NOMINAL
Specification/standard Data08108-1634 MANUFACTURERS STANDARD
Light Output Rating24.000 SPHERICAL CANDLEPOWER NOMINAL SINGLE RATING
Filament DesignationCC-6
Bulb Light Transmission CharacteristicTRANSPARENT
Light Center Length1.250 INCHES NOMINAL IN
Emitted Light CharacteristicCOLORLESS
Average Life Rating in Hours200.0
Rated Average LifeHOURS
Bulb DesignatorS-8
Current Rating for Which Designed1.000 AMPERES NOMINAL
Wattage Rating20.000 WATTS
Base StyleDOUBLE CONTACT CANDELABRA PREFOCUS
Filament Heavy Duty Service RatingNOT RATED
Burning PositionBASE DOWN TO HORIZONTAL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5305-00-012-1832121832 INTERCHANGEABLE
Screw,machine
Us Army Aviation and Missile Command
6240-00-014-5416 INTERCHANGEABLE
Lamp,incandescent
5905-00-106-7007C600012885 INTERCHANGEABLE
Resistor Set,matched
Kearfott Corporation Div Guidance and Navigation Division
5315-00-193-64658A7188 INTERCHANGEABLE
Pin,straight,headless
Napco International Llc Dba Napco International Inc
5950-00-289-98841783709-34 INTERCHANGEABLE
Transformer,audio Frequency
Honeywell International Inc. Dba Honeywell International
4820-00-331-35371634 INTERCHANGEABLE
Valve,safety Relief
Rgi Inc Dba Rgi Inc
5330-00-362-2115F400A336 INTERCHANGEABLE
Gasket
Sealcraft Corporation
5306-00-449-39881634 INTERCHANGEABLE
Bolt,machine
Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor
4730-00-517-8062 INTERCHANGEABLE
Fitting,lubrication
8135-01-030-1634030-1634 INTERCHANGEABLE
Seal,strapping
Caprice Electronics, Inc
Cross-Reference Index
Part NumberManufacturer
PL1634 Precision Lamp Inc (USA)
87-0598 Finnigan Corporation (USA)
849546-113 Rca Corp Consumer Electronics (USA)
G 1634 Wilbrecht Electronics Inc. (USA)
87-0598 Bae Systems Information & Electronic Systems Integration Inc. (USA)
VARIABLE PRICING Dla Aviation Engineering Div Department of Defense (USA)
1634 Philips Electronics North America Corporation Dba Philips Lighting Div Philips Lighting Company (USA)
1634 PRIMARY Lamp Industry for Use with Industry Designations and Abbreviations for Lamps
1634 General Electric Co Miniature Lamp Products Dept Lighting Business Group (USA)
Related Parts
5305-00-012-1832INTERCHANGEABLE
SCREW,MACHINE
121832
6240-00-014-5416INTERCHANGEABLE
LAMP,INCANDESCENT
5905-00-106-7007INTERCHANGEABLE
RESISTOR SET,MATCHED
C600012885
5315-00-193-6465INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
8A7188
5950-00-289-9884INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
1783709-34
4820-00-331-3537INTERCHANGEABLE
VALVE,SAFETY RELIEF
1634
5330-00-362-2115INTERCHANGEABLE
GASKET
F400A336
5306-00-449-3988INTERCHANGEABLE
BOLT,MACHINE
1634
4730-00-517-8062INTERCHANGEABLE
FITTING,LUBRICATION
8135-01-030-1634INTERCHANGEABLE
SEAL,STRAPPING
030-1634
4820-01-033-2207INTERCHANGEABLE
DIAPHRAGM,VALVE,FLAT
1634
4820-01-062-3839INTERCHANGEABLE
SLEEVE ASSEMBLY,VALVE
1028-5-3400

Frequently Asked Questions

What is NSN 6240-00-057-1966?

NSN 6240-00-057-1966 is a Lamp,incandescent, manufactured by Lamp Industry for Use with Industry Designations and Abbreviations for Lamps, classified under FSC 6240 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6240-00-057-1966?

NSN 6240-00-057-1966 has 9 cross-referenced part numbers: PL1634 (Precision Lamp Inc), 87-0598 (Finnigan Corporation), 849546-113 (Rca Corp Consumer Electronics), G 1634 (Wilbrecht Electronics Inc.), 87-0598 (Bae Systems Information & Electronic Systems Integration Inc.) and 4 more.

What NSN replaces 6240-00-057-1966?

There are 12 known substitutes for 6240-00-057-1966: 5305-00-012-1832, 6240-00-014-5416, 5905-00-106-7007 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1634?

Key specifications for 1634: Bulb Style: S (STRAIGHT SIDE); Overall Length: 2.000 INCHES MAXIMUM IN; Voltage Rating: 20.000 VOLTS NOMINAL; Specification/standard Data: 08108-1634 MANUFACTURERS STANDARD. 17 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6240-00-057-1966 still in active supply?

NSN 6240-00-057-1966 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.
PartsTable Design LLC · partstable.com