PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2128Lamp,incandescent

Chicago Miniature Lighting Llc Dba Chicago Miniature Optoelectron · NSN 6240-00-902-8551 · FSC 6240 · No Item Name Available
Verified by PartsTable
NSN 6240-00-902-8551 — this item is cataloged by the U.S. Government under National Stock Number 6240-00-902-8551. Primary manufacturer part number: 2128.
Features
  • Lamp,incandescent — FSC 6240
  • Wattage Rating: 0.039 WATTS
  • Filament Heavy Duty Service Rating: NOT RATED
  • Light Output Rating: 0.0005 SPHERICAL CANDLEPOWER NOMINAL SINGLE RATING
  • Bulb Light Transmission Characteristic: TRANSPARENT
  • Bulb Designator: T-1
  • Voltage Rating: 3.000 VOLTS NOMINAL
  • Bulb Style: T (TUBULAR)
Applications
  • Area illumination
  • Indicator and warning display
  • Navigation and signal lighting
General Description

The Lamp,incandescent, cataloged under National Stock Number 6240-00-902-8551, is classified within Federal Supply Class 6240 (No Item Name Available) of the Lighting Fixtures and Lamps group. The primary manufacturer of record is Chicago Miniature Lighting Llc Dba Chicago Miniature Optoelectron. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 15 commercial cross-references from 13 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6240-00-902-8551
Primary Part Number2128
Item NameLamp,incandescent
FSC / FSG6240 / 62 — No Item Name Available
ManufacturerChicago Miniature Lighting Llc Dba Chicago Miniature Optoelectron
StatusACTIVE
Wattage Rating0.039 WATTS
Filament Heavy Duty Service RatingNOT RATED
Light Output Rating0.0005 SPHERICAL CANDLEPOWER NOMINAL SINGLE RATING
Bulb Light Transmission CharacteristicTRANSPARENT
Bulb DesignatorT-1
Voltage Rating3.000 VOLTS NOMINAL
Bulb StyleT (TUBULAR)
Emitted Light CharacteristicCOLORLESS
Rated Average LifeINDEFINITE LONG
Filament DesignationC-2R
Base StyleWIRE LEADS, DOWN
Current Rating for Which Designed0.013 AMPERES NOMINAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
6685-00-863-3889S1305 INTERCHANGEABLE
Plate,scale
Horizon Aerospace Llc Dba Magnetics Division
8010-01-505-4219 INTERCHANGEABLE
Paint,antifouling
Cross-Reference Index
Part NumberManufacturer
2128 Chicago Miniature Lighting Llc Dba Chicago Miniature Optoelectron (USA)
OL-2128 Oshino Lamps Ltd. (JPN)
2128 Industrial Electronic Engineers, Inc. (USA)
D5100818 Unisys Corp (USA)
PL2128 Precision Lamp Inc (USA)
LTX2128 Lamptronix Co Ltd (USA)
2128 General Electric Co Miniature Lamp Products Dept Lighting Business Group (USA)
2128 Lamp Industry for Use with Industry Designations and Abbreviations for Lamps
331 Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch (USA)
8410038 Eaton Electrical Inc. Dba Cuttler Hmmer Cmrcl Cntrls Div Div Vehicle Controls Business Unit (USA)
LA331 Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch (USA)
87-0399 Bae Systems Information & Electronic Systems Integration Inc. (USA)
S-1305 Shokai Far East, Ltd. (USA)
87-0399 Finnigan Corporation (USA)
OL-2128 Oshino Lamps Ltd. (JPN)
Related Parts
6685-00-863-3889INTERCHANGEABLE
PLATE,SCALE
S1305
8010-01-505-4219INTERCHANGEABLE
PAINT,ANTIFOULING

Frequently Asked Questions

What is NSN 6240-00-902-8551?

NSN 6240-00-902-8551 is a Lamp,incandescent, manufactured by Chicago Miniature Lighting Llc Dba Chicago Miniature Optoelectron, classified under FSC 6240 (No Item Name Available). Status: active.

What are the part numbers for NSN 6240-00-902-8551?

NSN 6240-00-902-8551 has 15 cross-referenced part numbers: 2128 (Chicago Miniature Lighting Llc Dba Chicago Miniature Optoelectron), OL-2128 (Oshino Lamps Ltd.), 2128 (Industrial Electronic Engineers, Inc.), D5100818 (Unisys Corp), PL2128 (Precision Lamp Inc) and 10 more.

What NSN replaces 6240-00-902-8551?

There are 2 known substitutes for 6240-00-902-8551: 6685-00-863-3889, 8010-01-505-4219. Verify interchangeability with system specifications before substitution.

What are the specifications of 2128?

Key specifications for 2128: Wattage Rating: 0.039 WATTS; Filament Heavy Duty Service Rating: NOT RATED; Light Output Rating: 0.0005 SPHERICAL CANDLEPOWER NOMINAL SINGLE RATING; Bulb Light Transmission Characteristic: TRANSPARENT. 13 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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