PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

228Lamp,incandescent

Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch · NSN 6240-00-223-5058 · FSC 6240 · No Item Name Available
Verified by PartsTable
NSN 6240-00-223-5058 — this item is cataloged by the U.S. Government under National Stock Number 6240-00-223-5058. Primary manufacturer part number: 228.
Features
  • Lamp,incandescent — FSC 6240
  • Burning Position: BASE DOWN
  • Bulb Style: B (ARBITRARY DESIGNATION)
  • Bulb Designator: B-1
  • Voltage Rating: 12.000 VOLTS NOMINAL
  • Wattage Rating: 0.480 WATTS
  • Bulb Light Transmission Characteristic: TRANSPARENT
  • Current Rating for Which Designed: 0.040 AMPERES NOMINAL
Applications
  • Area illumination
  • Indicator and warning display
  • Navigation and signal lighting
General Description

The Lamp,incandescent, cataloged under National Stock Number 6240-00-223-5058, is classified within Federal Supply Class 6240 (No Item Name Available) of the Lighting Fixtures and Lamps group. The primary manufacturer of record is Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 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
NSN6240-00-223-5058
Primary Part Number228
Item NameLamp,incandescent
FSC / FSG6240 / 62 — No Item Name Available
ManufacturerElectro Switch Corp. Dba Oak Grisgsby Div Electroswitch
StatusACTIVE
Burning PositionBASE DOWN
Bulb StyleB (ARBITRARY DESIGNATION)
Bulb DesignatorB-1
Voltage Rating12.000 VOLTS NOMINAL
Wattage Rating0.480 WATTS
Bulb Light Transmission CharacteristicTRANSPARENT
Current Rating for Which Designed0.040 AMPERES NOMINAL
Emitted Light CharacteristicCOLORLESS
Filament Heavy Duty Service RatingROUGH SERVICE
Average Life Rating in Hours10000.0
Filament DesignationC-2F
Rated Average LifeHOURS
Base StyleSPECIAL MINIATURE, ONE AND HALF TURN THREAD
Light Output Rating0.130 SPHERICAL CANDLEPOWER NOMINAL SINGLE RATING
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
6240-00-103-0058CM32 INTERCHANGEABLE
Lamp,incandescent
Chicago Miniature Lighting Llc Dba Chicago Miniature Optoelectron
Cross-Reference Index
Part NumberManufacturer
228 PRIMARY Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch (USA)
11738021 Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate (USA)
Related Parts
6240-00-103-0058INTERCHANGEABLE
LAMP,INCANDESCENT
CM32

Frequently Asked Questions

What is NSN 6240-00-223-5058?

NSN 6240-00-223-5058 is a Lamp,incandescent, manufactured by Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch, classified under FSC 6240 (No Item Name Available). Status: active.

What are the part numbers for NSN 6240-00-223-5058?

NSN 6240-00-223-5058 has 2 cross-referenced part numbers: 228 (Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch), 11738021 (Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate).

What NSN replaces 6240-00-223-5058?

There is 1 known substitute for 6240-00-223-5058: 6240-00-103-0058. Verify interchangeability with system specifications before substitution.

What are the specifications of 228?

Key specifications for 228: Burning Position: BASE DOWN; Bulb Style: B (ARBITRARY DESIGNATION); Bulb Designator: B-1; Voltage Rating: 12.000 VOLTS NOMINAL. 15 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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