PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SK1401-BLamp,incandescent

Coast Guard Yard Uph · NSN 6240-01-199-2374 · FSC 6240 · No Item Name Available
Verified by PartsTable
NSN 6240-01-199-2374 — this item is cataloged by the U.S. Government under National Stock Number 6240-01-199-2374. Primary manufacturer part number: SK1401-B.
Features
  • Lamp,incandescent — FSC 6240
  • Base Style: SINGLE CONTACT MINIATURE FLANGED
  • Wattage Rating: 6.600 WATTS
  • Emitted Light Characteristic: COLORLESS
  • Bulb Light Transmission Characteristic: TRANSPARENT
  • Current Rating for Which Designed: 0.550 AMPERES NOMINAL
  • Voltage Rating: 12.000 VOLTS NOMINAL
  • Filament Heavy Duty Service Rating: NOT RATED
Applications
  • Area illumination
  • Indicator and warning display
  • Navigation and signal lighting
General Description

The Lamp,incandescent, cataloged under National Stock Number 6240-01-199-2374, is classified within Federal Supply Class 6240 (No Item Name Available) of the Lighting Fixtures and Lamps group. The primary manufacturer of record is Coast Guard Yard Uph. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 6 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
NSN6240-01-199-2374
Primary Part NumberSK1401-B
Item NameLamp,incandescent
FSC / FSG6240 / 62 — No Item Name Available
ManufacturerCoast Guard Yard Uph
StatusACTIVE
Base StyleSINGLE CONTACT MINIATURE FLANGED
Wattage Rating6.600 WATTS
Emitted Light CharacteristicCOLORLESS
Bulb Light Transmission CharacteristicTRANSPARENT
Current Rating for Which Designed0.550 AMPERES NOMINAL
Voltage Rating12.000 VOLTS NOMINAL
Filament Heavy Duty Service RatingNOT RATED
Bulb StyleS (STRAIGHT SIDE)
Rated Average LifeNOT RATED
Bulb DesignatorS-8
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
6240-00-228-858855A/S8-12V INTERCHANGEABLE
Lamp,incandescent
Lamp Industry for Use with Industry Designations and Abbreviations for Lamps
Cross-Reference Index
Part NumberManufacturer
SK1401-B PRIMARY Coast Guard Yard Uph (USA)
2374X Chicago Miniature Lighting Llc Dba Chicago Miniature Optoelectron (USA)
55A/S8-12V Philips Electronics North America Corporation Dba Philips Lighting Div Philips Lighting Company (USA)
SK1401-B/REV-C/121059 Xenell Corp (USA)
G-EOE-243-55AS8 United States Coast Guard Dba U.s.c.g. Sflc Div Surface Forces Logistics Center (sflc) (USA)
SK1401-B/REV C-121059 Specialty Bulb Company, Inc. (USA)
Related Parts
6240-00-228-8588INTERCHANGEABLE
LAMP,INCANDESCENT
55A/S8-12V

Frequently Asked Questions

What is NSN 6240-01-199-2374?

NSN 6240-01-199-2374 is a Lamp,incandescent, manufactured by Coast Guard Yard Uph, classified under FSC 6240 (No Item Name Available). Status: active.

What are the part numbers for NSN 6240-01-199-2374?

NSN 6240-01-199-2374 has 6 cross-referenced part numbers: SK1401-B (Coast Guard Yard Uph), 2374X (Chicago Miniature Lighting Llc Dba Chicago Miniature Optoelectron), 55A/S8-12V (Philips Electronics North America Corporation Dba Philips Lighting Div Philips Lighting Company), SK1401-B/REV-C/121059 (Xenell Corp), G-EOE-243-55AS8 (United States Coast Guard Dba U.s.c.g. Sflc Div Surface Forces Logistics Center (sflc)) and 1 more.

What NSN replaces 6240-01-199-2374?

There is 1 known substitute for 6240-01-199-2374: 6240-00-228-8588. Verify interchangeability with system specifications before substitution.

What are the specifications of SK1401-B?

Key specifications for SK1401-B: Base Style: SINGLE CONTACT MINIATURE FLANGED; Wattage Rating: 6.600 WATTS; Emitted Light Characteristic: COLORLESS; Bulb Light Transmission Characteristic: TRANSPARENT. 11 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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