PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1816UNBLamp,incandescent

Chicago Miniature Lighting Llc Dba Chicago Miniature Optoelectron · NSN 6240-01-100-1217 · FSC 6240 · No Item Name Available
Verified by PartsTable
NSN 6240-01-100-1217 — this item is cataloged by the U.S. Government under National Stock Number 6240-01-100-1217. Primary manufacturer part number: 1816UNB.
Features
  • Lamp,incandescent — FSC 6240
  • Bulb Style: T (TUBULAR)
  • Rated Average Life: HOURS
  • Voltage Rating: 13.000 VOLTS NOMINAL
  • Bulb Light Transmission Characteristic: TRANSPARENT
  • Light Output Rating: 0.030 SPHERICAL CANDLEPOWER NOMINAL SINGLE RATING
  • Filament Heavy Duty Service Rating: NOT RATED
  • Bulb Designator: T-3 1/4
Applications
  • Area illumination
  • Indicator and warning display
  • Navigation and signal lighting
General Description

The Lamp,incandescent, cataloged under National Stock Number 6240-01-100-1217, 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 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6240-01-100-1217
Primary Part Number1816UNB
Item NameLamp,incandescent
FSC / FSG6240 / 62 — No Item Name Available
ManufacturerChicago Miniature Lighting Llc Dba Chicago Miniature Optoelectron
StatusACTIVE
Bulb StyleT (TUBULAR)
Rated Average LifeHOURS
Voltage Rating13.000 VOLTS NOMINAL
Bulb Light Transmission CharacteristicTRANSPARENT
Light Output Rating0.030 SPHERICAL CANDLEPOWER NOMINAL SINGLE RATING
Filament Heavy Duty Service RatingNOT RATED
Bulb DesignatorT-3 1/4
Average Life Rating in Hours1000.0
Current Rating for Which Designed0.330 AMPERES NOMINAL
Base StyleWIRE LEADS, DOWN
Emitted Light CharacteristicWHITE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
6645-01-013-6254124U INTERCHANGEABLE
Clock,digital
E S Enterprises
Cross-Reference Index
Part NumberManufacturer
262-1396-010 Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA)
1816UNB PRIMARY Chicago Miniature Lighting Llc Dba Chicago Miniature Optoelectron (USA)
124E General Electric Co Miniature Lamp Products Dept Lighting Business Group (USA)
Related Parts
6645-01-013-6254INTERCHANGEABLE
CLOCK,DIGITAL
124U

Frequently Asked Questions

What is NSN 6240-01-100-1217?

NSN 6240-01-100-1217 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 6240-01-100-1217?

NSN 6240-01-100-1217 has 3 cross-referenced part numbers: 262-1396-010 (Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems), 1816UNB (Chicago Miniature Lighting Llc Dba Chicago Miniature Optoelectron), 124E (General Electric Co Miniature Lamp Products Dept Lighting Business Group).

What NSN replaces 6240-01-100-1217?

There is 1 known substitute for 6240-01-100-1217: 6645-01-013-6254. Verify interchangeability with system specifications before substitution.

What are the specifications of 1816UNB?

Key specifications for 1816UNB: Overall Length: 0.562 INCHES NOMINAL IN; Bulb Style: T (TUBULAR); Rated Average Life: HOURS; Voltage Rating: 13.000 VOLTS NOMINAL. 12 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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