PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

640Lamp,incandescent

Industrial Electronic Engineers, Inc. · NSN 6240-00-570-9884 · FSC 6240 · No Item Name Available
Verified by PartsTable
NSN 6240-00-570-9884 — this item is cataloged by the U.S. Government under National Stock Number 6240-00-570-9884. Primary manufacturer part number: 640.
Features
  • Lamp,incandescent — FSC 6240
  • Bulb Style: T (TUBULAR)
  • Filament Heavy Duty Service Rating: NOT RATED
  • Specification/standard Data: 08108-8640 MANUFACTURERS STANDARD
  • Average Life Rating in Hours: 2500.0
  • Base Style: WIRE LEADS, DOWN
  • Bulb Light Transmission Characteristic: TRANSPARENT
  • 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 6240-00-570-9884, is classified within Federal Supply Class 6240 (No Item Name Available) of the Lighting Fixtures and Lamps group. The primary manufacturer of record is Industrial Electronic Engineers, Inc.. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 13 commercial cross-references from 11 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
NSN6240-00-570-9884
Primary Part Number640
Item NameLamp,incandescent
FSC / FSG6240 / 62 — No Item Name Available
ManufacturerIndustrial Electronic Engineers, Inc.
StatusACTIVE
Bulb StyleT (TUBULAR)
Filament Heavy Duty Service RatingNOT RATED
Specification/standard Data08108-8640 MANUFACTURERS STANDARD
Average Life Rating in Hours2500.0
Base StyleWIRE LEADS, DOWN
Bulb Light Transmission CharacteristicTRANSPARENT
Rated Average LifeHOURS
Wattage Rating1.120 WATTS
Light Output Rating0.530 SPHERICAL CANDLEPOWER NOMINAL SINGLE RATING
Current Rating for Which Designed0.080 AMPERES NOMINAL
Voltage Rating14.000 VOLTS NOMINAL
Bulb DesignatorT-1 1/4
Emitted Light CharacteristicWHITE
Wire Lead Length0.500 INCHES MINIMUM IN
Filament DesignationC-2F
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5935-00-019-5934684 INTERCHANGEABLE
Strap Retaining Con
Winchester Interconnect Corporation Dba Winchester Interconnect Div Winchester Interconnect
5935-00-087-5752 INTERCHANGEABLE
Socket,plug-in Electronic Compon
3110-00-100-0682748 INTERCHANGEABLE
Cone and Rollers,tapered Roller
The Timken Corporation
5940-00-156-741774-169 INTERCHANGEABLE
Terminal,lug
Zierick Mfg Corp
5935-00-160-767425293 INTERCHANGEABLE
Socket,plug-in Electronic Compon
Thordarson Inc
5910-00-161-6410 INTERCHANGEABLE
Capacitor,fixed,paper Dielectric
5120-00-169-7684802841 INTERCHANGEABLE
Inserter,bearing and Bushing
Curtiss-Wright Controls, Inc. Div Actuation Division
6625-00-170-9246748 INTERCHANGEABLE
Horseshoe Assy
H R Smith (technical Developments) Ltd
5905-00-201-5161 INTERCHANGEABLE
Resistor,variable,wire Wound,non
5962-00-232-4994LM748H/883 INTERCHANGEABLE
Microcircuit,linear
National Semiconductor Corporation
Cross-Reference Index
Part NumberManufacturer
CM8-640 Chicago Miniature Lighting Llc Dba Chicago Miniature Optoelectron (USA)
8640 Lamp Industry for Use with Industry Designations and Abbreviations for Lamps
828-0005 Bfgoodrich Aerospace Component Overhaul and Repair Inc (USA)
LTX8640 Lamptronix Co Ltd (USA)
684 Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch (USA)
8640 Industrial Electronic Engineers, Inc. (USA)
990156-6 Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc (USA)
PL8640 Precision Lamp Inc (USA)
640 PRIMARY Industrial Electronic Engineers, Inc. (USA)
170-004-0006 Moog Inc. (USA)
GI8640 General Semiconductor Inc (USA)
CM8640 PRIMARY Chicago Miniature Lighting Llc Dba Chicago Miniature Optoelectron (USA)
748 Micro Display Devices Ltd (GBR)
Related Parts
5935-00-019-5934INTERCHANGEABLE
STRAP RETAINING CON
684
5935-00-087-5752INTERCHANGEABLE
SOCKET,PLUG-IN ELECTRONIC COMPON
3110-00-100-0682INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
748
5940-00-156-7417INTERCHANGEABLE
TERMINAL,LUG
74-169
5935-00-160-7674INTERCHANGEABLE
SOCKET,PLUG-IN ELECTRONIC COMPON
25293
5910-00-161-6410INTERCHANGEABLE
CAPACITOR,FIXED,PAPER DIELECTRIC
5120-00-169-7684INTERCHANGEABLE
INSERTER,BEARING AND BUSHING
802841
6625-00-170-9246INTERCHANGEABLE
HORSESHOE ASSY
748
5905-00-201-5161INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,NON
5962-00-232-4994INTERCHANGEABLE
MICROCIRCUIT,LINEAR
LM748H/883
5950-00-247-2375INTERCHANGEABLE
TRANSFORMER,POWER
5975-00-314-6811INTERCHANGEABLE
CONDUIT,METAL,RIGID
684

Frequently Asked Questions

What is NSN 6240-00-570-9884?

NSN 6240-00-570-9884 is a Lamp,incandescent, manufactured by Industrial Electronic Engineers, Inc., classified under FSC 6240 (No Item Name Available). Status: active.

What are the part numbers for NSN 6240-00-570-9884?

NSN 6240-00-570-9884 has 13 cross-referenced part numbers: CM8-640 (Chicago Miniature Lighting Llc Dba Chicago Miniature Optoelectron), 8640 (Lamp Industry for Use with Industry Designations and Abbreviations for Lamps), 828-0005 (Bfgoodrich Aerospace Component Overhaul and Repair Inc), LTX8640 (Lamptronix Co Ltd), 684 (Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch) and 8 more.

What NSN replaces 6240-00-570-9884?

There are 12 known substitutes for 6240-00-570-9884: 5935-00-019-5934, 5935-00-087-5752, 3110-00-100-0682 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 640?

Key specifications for 640: Bulb Style: T (TUBULAR); Filament Heavy Duty Service Rating: NOT RATED; Specification/standard Data: 08108-8640 MANUFACTURERS STANDARD; Average Life Rating in Hours: 2500.0. 16 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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