PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

12AS15Lamp,incandescent

Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch · NSN 6240-01-014-5598 · FSC 6240 · No Item Name Available
Verified by PartsTable
NSN 6240-01-014-5598 — this item is cataloged by the U.S. Government under National Stock Number 6240-01-014-5598. Primary manufacturer part number: 12AS15.
Features
  • Lamp,incandescent — FSC 6240
  • Emitted Light Characteristic: COLORLESS
  • Light Center Length: 0.060 INCHES NOMINAL IN
  • Average Life Rating in Hours: 25000.0
  • Bulb Designator: T-3/4
  • Base Style: WIRE LEADS, DOWN
  • Wattage Rating: 0.375 WATTS
  • 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 6240-01-014-5598, 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 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 15 commercial cross-references from 11 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6240-01-014-5598
Primary Part Number12AS15
Item NameLamp,incandescent
FSC / FSG6240 / 62 — No Item Name Available
ManufacturerElectro Switch Corp. Dba Oak Grisgsby Div Electroswitch
StatusACTIVE
Emitted Light CharacteristicCOLORLESS
Light Center Length0.060 INCHES NOMINAL IN
Average Life Rating in Hours25000.0
Bulb DesignatorT-3/4
Base StyleWIRE LEADS, DOWN
Wattage Rating0.375 WATTS
Bulb StyleT (TUBULAR)
Light Output Rating0.090 SPHERICAL CANDLEPOWER NOMINAL SINGLE RATING
Rated Average LifeHOURS
Current Rating for Which Designed0.075 AMPERES NOMINAL
Voltage Rating5.000 VOLTS NOMINAL
Filament Heavy Duty Service RatingNOT RATED
Wire Lead Length0.900 INCHES NOMINAL IN
Bulb Light Transmission CharacteristicTRANSPARENT
Filament DesignationC-2R
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5995-00-054-45837133 INTERCHANGEABLE
Cable Assembly,radio Frequency
Spencer Industries Inc
3110-00-120-436513097P11 INTERCHANGEABLE
Bearing,roller,needle
Taylor Machine Works Inc
5930-00-132-82787133 INTERCHANGEABLE
Switch,push-Pull
Cole Hersee Company
4810-00-328-5361 INTERCHANGEABLE
Seat,valve
5325-00-616-524010018518-001 INTERCHANGEABLE
Eyelet,metallic
Us Army Aviation and Missile Command
3010-01-466-2944713-3 INTERCHANGEABLE
Coupling,drive End
Goodway Technologies Corporation Dba Goodway Technologies Corp
5925-01-528-9481 INTERCHANGEABLE
Circuit Breaker
Cross-Reference Index
Part NumberManufacturer
12AS15 Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch (USA)
J7133AS15 Industrial Electronic Engineers, Inc. (USA)
PL7133AS15 Precision Lamp Inc (USA)
W-L-00111/21 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
7133 Lamp Industry for Use with Industry Designations and Abbreviations for Lamps
159 Carley Dba Carley Lamps (USA)
CM7133 Chicago Miniature Lighting Llc Dba Chicago Miniature Optoelectron (USA)
CM7133AS15 Chicago Miniature Lighting Llc Dba Chicago Miniature Optoelectron (USA)
7133AS15 Gte Products Corp Lighting Products Group Hillsboro Miniature Lamp Plant (USA)
7133AS15 Shelly Associates Inc. (USA)
12 Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch (USA)
CM-17333 Chicago Miniature Lighting Llc Dba Chicago Miniature Optoelectron (USA)
7133 Shelly Associates Inc. (USA)
7133 American National Standards Institute Incorporated Dba American National Standards Institute (USA)
MS90452-7133 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5995-00-054-4583INTERCHANGEABLE
CABLE ASSEMBLY,RADIO FREQUENCY
7133
3110-00-120-4365INTERCHANGEABLE
BEARING,ROLLER,NEEDLE
13097P11
5930-00-132-8278INTERCHANGEABLE
SWITCH,PUSH-PULL
7133
4810-00-328-5361INTERCHANGEABLE
SEAT,VALVE
5325-00-616-5240INTERCHANGEABLE
EYELET,METALLIC
10018518-001
3010-01-466-2944INTERCHANGEABLE
COUPLING,DRIVE END
713-3
5925-01-528-9481INTERCHANGEABLE
CIRCUIT BREAKER

Frequently Asked Questions

What is NSN 6240-01-014-5598?

NSN 6240-01-014-5598 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 6240-01-014-5598?

NSN 6240-01-014-5598 has 15 cross-referenced part numbers: 12AS15 (Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch), J7133AS15 (Industrial Electronic Engineers, Inc.), PL7133AS15 (Precision Lamp Inc), W-L-00111/21 (Federal Specifications Promulgated by General Services Administration Washington DC), 7133 (Lamp Industry for Use with Industry Designations and Abbreviations for Lamps) and 10 more.

What NSN replaces 6240-01-014-5598?

There are 7 known substitutes for 6240-01-014-5598: 5995-00-054-4583, 3110-00-120-4365, 5930-00-132-8278 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 12AS15?

Key specifications for 12AS15: Emitted Light Characteristic: COLORLESS; Light Center Length: 0.060 INCHES NOMINAL IN; Average Life Rating in Hours: 25000.0; Bulb Designator: T-3/4. 16 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com