PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

S5021Lamp,incandescent

Satco Products, Inc. Dba Satco Lighting · NSN 6240-01-618-0123 · FSC 6240 · No Item Name Available
Verified by PartsTable
NSN 6240-01-618-0123 — this item is cataloged by the U.S. Government under National Stock Number 6240-01-618-0123. Primary manufacturer part number: S5021.
Features
  • Lamp,incandescent — FSC 6240
  • Bulb Light Transmission Characteristic: TRANSLUCENT
  • Bulb Style: A (ARBITRARY DESIGNATION)
  • Average Life Rating in Hours: 1500.0
  • Voltage Rating: 34.0 VOLTS NOMINAL
  • Base Style: MEDIUM SCREW
  • Bulb Designator: A19
  • Light Output Rating: 540.0 LUMENS NOMINAL SINGLE RATING
Applications
  • Area illumination
  • Indicator and warning display
  • Navigation and signal lighting
General Description

The Lamp,incandescent, cataloged under National Stock Number 6240-01-618-0123, is classified within Federal Supply Class 6240 (No Item Name Available) of the Lighting Fixtures and Lamps group. The primary manufacturer of record is Satco Products, Inc. Dba Satco Lighting. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6240-01-618-0123
Primary Part NumberS5021
Item NameLamp,incandescent
FSC / FSG6240 / 62 — No Item Name Available
ManufacturerSatco Products, Inc. Dba Satco Lighting
StatusACTIVE
Bulb Light Transmission CharacteristicTRANSLUCENT
Bulb StyleA (ARBITRARY DESIGNATION)
Average Life Rating in Hours1500.0
Voltage Rating34.0 VOLTS NOMINAL
Base StyleMEDIUM SCREW
Bulb DesignatorA19
Light Output Rating540.0 LUMENS NOMINAL SINGLE RATING
Wattage Rating50.0 WATTS
Rated Average LifeHOURS
Emitted Light CharacteristicNATURAL
Light Intensity Distribution FeatureINSIDE FROSTED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5962-00-139-4874SMC651915 INTERCHANGEABLE
Microcircuit,digital
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
4730-00-347-909810-05021 INTERCHANGEABLE
Coupling,pipe
Tyco Fire Products Lp
5305-01-304-3140 INTERCHANGEABLE
Screw,machine
Cross-Reference Index
Part NumberManufacturer
S5021 PRIMARY Satco Products, Inc. Dba Satco Lighting (USA)
Related Parts
5962-00-139-4874INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
SMC651915
4730-00-347-9098INTERCHANGEABLE
COUPLING,PIPE
10-05021
5305-01-304-3140INTERCHANGEABLE
SCREW,MACHINE

Frequently Asked Questions

What is NSN 6240-01-618-0123?

NSN 6240-01-618-0123 is a Lamp,incandescent, manufactured by Satco Products, Inc. Dba Satco Lighting, classified under FSC 6240 (No Item Name Available). Status: active.

What are the part numbers for NSN 6240-01-618-0123?

NSN 6240-01-618-0123 has 1 cross-referenced part number: S5021 (Satco Products, Inc. Dba Satco Lighting).

What NSN replaces 6240-01-618-0123?

There are 3 known substitutes for 6240-01-618-0123: 5962-00-139-4874, 4730-00-347-9098, 5305-01-304-3140. Verify interchangeability with system specifications before substitution.

What are the specifications of S5021?

Key specifications for S5021: Overall Length: 4.125 INCHES NOMINAL IN; Bulb Light Transmission Characteristic: TRANSLUCENT; Bulb Style: A (ARBITRARY DESIGNATION); Average Life Rating in Hours: 1500.0. 14 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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