PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

135A21/TS/6M/SS/120-125VLamp,incandescent

Gte Products Corp Sylvania Miniature Lighting Div · NSN 6240-01-344-5141 · FSC 6240 · No Item Name Available
Verified by PartsTable
NSN 6240-01-344-5141 — this item is cataloged by the U.S. Government under National Stock Number 6240-01-344-5141. Primary manufacturer part number: 135A21/TS/6M/SS/120-125V.
Features
  • Lamp,incandescent — FSC 6240
  • Wattage Rating: 135.000 WATTS
  • Rated Average Life: HOURS
  • Filament Designation: C-11V V
  • Criticality Code Justification: FEAT
  • Light Output Rating: 1750.000 LUMENS NOMINAL SINGLE RATING
  • Bulb Light Transmission Characteristic: TRANSPARENT
  • Bulb Designator: A-21
Applications
  • Area illumination
  • Indicator and warning display
  • Navigation and signal lighting
General Description

The Lamp,incandescent, cataloged under National Stock Number 6240-01-344-5141, is classified within Federal Supply Class 6240 (No Item Name Available) of the Lighting Fixtures and Lamps group. The primary manufacturer of record is Gte Products Corp Sylvania Miniature Lighting Div. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6240-01-344-5141
Primary Part Number135A21/TS/6M/SS/120-125V
Item NameLamp,incandescent
FSC / FSG6240 / 62 — No Item Name Available
ManufacturerGte Products Corp Sylvania Miniature Lighting Div
StatusACTIVE
Wattage Rating135.000 WATTS
Rated Average LifeHOURS
Filament DesignationC-11V V
Criticality Code JustificationFEAT
Light Output Rating1750.000 LUMENS NOMINAL SINGLE RATING
Bulb Light Transmission CharacteristicTRANSPARENT
Bulb DesignatorA-21
Base StyleMEDIUM SCREW
Bulb StyleA (ARBITRARY DESIGNATION)
Current Rating for Which Designed1.080 AMPERES MINIMUM AND 1.125 AMPERES MAXIMUM
Light Center Length3.000 INCHES NOMINAL IN
Emitted Light CharacteristicCOLORLESS
Voltage Rating120.000 VOLTS MINIMUM AND 125.000 VOLTS MAXIMUM
Filament Heavy Duty Service RatingNOT RATED
Average Life Rating in Hours7000.0
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5940-00-204-685810-305-3 INTERCHANGEABLE
Terminal,stud
Concord Electronics, Inc.
6620-00-546-607117973 INTERCHANGEABLE
Spring,hair Manifol
Ranco Inc Ranco Controls Div
2530-00-900-7468106732 INTERCHANGEABLE
Wheel Assembly,pneumatic Tire
Dana Off Highway Products, Llc
5930-00-905-109212842 INTERCHANGEABLE
Switch,thermostatic
Elbitamerica, Inc.
4520-01-018-497112842 INTERCHANGEABLE
Heating Element,electrical,nonim
Dover Corp Groen Div
5962-01-075-6868932821-524 INTERCHANGEABLE
Microcircuit,memory
Raytheon Company Dba Raytheon
5310-01-160-7487XA-1284-2 INTERCHANGEABLE
Washer,flat
Saf-Holland, Inc.
2610-01-452-0605287-938 INTERCHANGEABLE
Tire,pneumatic,vehicular
Bridgestone Americas Tire Operations, Llc
Cross-Reference Index
Part NumberManufacturer
12842 Gte Products Corp Sylvania Miniature Lighting Div (USA)
K135A21/TS/EW/120-125V Philips Electronics North America Corporation Dba Philips Lighting Div Philips Lighting Company (USA)
17973 General Electric Company Dba Ge (USA)
37616-0 Philips Electronics North America Corporation Dba Philips Lighting Div Philips Lighting Company (USA)
135A21/TS/6M/SS/120-125V PRIMARY Gte Products Corp Sylvania Miniature Lighting Div (USA)
150A21/135WM/TS/120-125V General Electric Company Dba Ge (USA)
Related Parts
5940-00-204-6858INTERCHANGEABLE
TERMINAL,STUD
10-305-3
6620-00-546-6071INTERCHANGEABLE
SPRING,HAIR MANIFOL
17973
2530-00-900-7468INTERCHANGEABLE
WHEEL ASSEMBLY,PNEUMATIC TIRE
106732
5930-00-905-1092INTERCHANGEABLE
SWITCH,THERMOSTATIC
12842
4520-01-018-4971INTERCHANGEABLE
HEATING ELEMENT,ELECTRICAL,NONIM
12842
5962-01-075-6868INTERCHANGEABLE
MICROCIRCUIT,MEMORY
932821-524
5310-01-160-7487INTERCHANGEABLE
WASHER,FLAT
XA-1284-2
2610-01-452-0605INTERCHANGEABLE
TIRE,PNEUMATIC,VEHICULAR
287-938

Frequently Asked Questions

What is NSN 6240-01-344-5141?

NSN 6240-01-344-5141 is a Lamp,incandescent, manufactured by Gte Products Corp Sylvania Miniature Lighting Div, classified under FSC 6240 (No Item Name Available). Status: active.

What are the part numbers for NSN 6240-01-344-5141?

NSN 6240-01-344-5141 has 6 cross-referenced part numbers: 12842 (Gte Products Corp Sylvania Miniature Lighting Div), K135A21/TS/EW/120-125V (Philips Electronics North America Corporation Dba Philips Lighting Div Philips Lighting Company), 17973 (General Electric Company Dba Ge), 37616-0 (Philips Electronics North America Corporation Dba Philips Lighting Div Philips Lighting Company), 135A21/TS/6M/SS/120-125V (Gte Products Corp Sylvania Miniature Lighting Div) and 1 more.

What NSN replaces 6240-01-344-5141?

There are 8 known substitutes for 6240-01-344-5141: 5940-00-204-6858, 6620-00-546-6071, 2530-00-900-7468 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 135A21/TS/6M/SS/120-125V?

Key specifications for 135A21/TS/6M/SS/120-125V: Wattage Rating: 135.000 WATTS; Rated Average Life: HOURS; Filament Designation: C-11V V; Overall Length: 4.688 INCHES NOMINAL IN. 17 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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