PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3335Lamp,incandescent

Elcos · NSN 6240-01-345-3263 · FSC 6240 · No Item Name Available
Verified by PartsTable
NSN 6240-01-345-3263 — this item is cataloged by the U.S. Government under National Stock Number 6240-01-345-3263. Primary manufacturer part number: 3335.
Features
  • Lamp,incandescent — FSC 6240
  • Overall Diameter: 0.186 INCHES NOMINAL IN
  • Filament Heavy Duty Service Rating: NOT RATED
  • Bulb Diameter: 0.125 INCHES NOMINAL IN
  • Bulb Designator: T-1
  • Voltage Rating: 28.000 VOLTS NOMINAL
  • Light Output Rating: 0.072 LUMENS NOMINAL SINGLE RATING
  • Rated Average Life: INDEFINITE LONG
Applications
  • Area illumination
  • Indicator and warning display
  • Navigation and signal lighting
General Description

The Lamp,incandescent, cataloged under National Stock Number 6240-01-345-3263, is classified within Federal Supply Class 6240 (No Item Name Available) of the Lighting Fixtures and Lamps group. The primary manufacturer of record is Elcos. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 12 commercial cross-references from 10 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN6240-01-345-3263
Primary Part Number3335
Item NameLamp,incandescent
FSC / FSG6240 / 62 — No Item Name Available
ManufacturerElcos
StatusCANCELLED
Overall Diameter0.186 INCHES NOMINAL IN
Filament Heavy Duty Service RatingNOT RATED
Bulb Diameter0.125 INCHES NOMINAL IN
Bulb DesignatorT-1
Voltage Rating28.000 VOLTS NOMINAL
Light Output Rating0.072 LUMENS NOMINAL SINGLE RATING
Rated Average LifeINDEFINITE LONG
Bulb Light Transmission CharacteristicTRANSPARENT
Base StyleSUB-MIDGET FLANGED
Current Rating for Which Designed0.016 AMPERES NOMINAL
Wattage Rating0.450 WATTS
Emitted Light CharacteristicCOLORLESS
Bulb StyleT (TUBULAR)
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5935-00-023-96933335C INTERCHANGEABLE
Connector,receptacle,electrical
Hubbell Incorporated (delaware) Dba Wiring Device-Kellems Division
6685-00-050-7721308428C91 INTERCHANGEABLE
Thermostat,flow Control
Navistar Intl Corp Truck Br Ohio Plant
4820-00-111-323274988659 INTERCHANGEABLE
Disk,valve
Kalmar AC Inc
5315-00-598-58163335 INTERCHANGEABLE
Pin,drive,power Actuated
Illinois Tool Works Inc
5998-00-827-1964 INTERCHANGEABLE
Electronic Components Assembly
2530-00-845-3905135280R91 INTERCHANGEABLE
Cylinder Assembly,hydraulic Brak
Navistar Intl Corp Truck Br Ohio Plant
4730-00-873-3885SAE J512 8-8 010101BA INTERCHANGEABLE
Nipple,tube
Sae International Dba Sae International
5950-00-909-77551800912-2 INTERCHANGEABLE
Transformer,power
Northrop Grumman Systems Corporation
5355-01-004-80263335 INTERCHANGEABLE
Window,dial
Kearflex Engineering Company
6145-01-139-215777037-3 INTERCHANGEABLE
Cable,special Purpose,electrical
Winchester Interconnect Cm Ca, Inc.
Cross-Reference Index
Part NumberManufacturer
3335 Elcos (BEL)
581-F9 Safran Electronics & Defense, Avionics Usa, Llc Dba Use CAGE Code 879b2 for Cataloging (USA)
142097347 Leonardo S.p.a. - Electronics Division - Defence Business Area (ITA)
3335 Staco Systems, Inc. Dba Staco Systems Div Dba Staco Systems (USA)
SG4-15-1-00 Critical Maritime Systems & Support Limited (GBR)
142097347 Iveco - Oto Melara Scrl (ITA)
OL3335 Wamco, Inc. Dba Wamco Inc (USA)
581-F9 Safran Electronics & Defense, Avionics Usa, Llc (USA)
876LA0025 Leonardo S.p.a. - Electronics Division - Defence Business Area (ITA)
924-90516-020 Safran Electronics & Defense, Avionics Usa, Llc Dba Use CAGE Code 879b2 for Cataloging (USA)
0L3335 Oshino Lamps (uk) Ltd (GBR)
876LA0025 Leonardo S.p.a. Div Electronics (ITA)
Related Parts
5935-00-023-9693INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
3335C
6685-00-050-7721INTERCHANGEABLE
THERMOSTAT,FLOW CONTROL
308428C91
4820-00-111-3232INTERCHANGEABLE
DISK,VALVE
74988659
5315-00-598-5816INTERCHANGEABLE
PIN,DRIVE,POWER ACTUATED
3335
5998-00-827-1964INTERCHANGEABLE
ELECTRONIC COMPONENTS ASSEMBLY
2530-00-845-3905INTERCHANGEABLE
CYLINDER ASSEMBLY,HYDRAULIC BRAK
135280R91
4730-00-873-3885INTERCHANGEABLE
NIPPLE,TUBE
SAE J512 8-8 010101BA
5950-00-909-7755INTERCHANGEABLE
TRANSFORMER,POWER
1800912-2
5355-01-004-8026INTERCHANGEABLE
WINDOW,DIAL
3335
6145-01-139-2157INTERCHANGEABLE
CABLE,SPECIAL PURPOSE,ELECTRICAL
77037-3
3040-01-225-9071INTERCHANGEABLE
GEARSHAFT,SPUR
6515-01-515-4767INTERCHANGEABLE
RETRACTOR,SWIVEL
3335

Frequently Asked Questions

What is NSN 6240-01-345-3263?

NSN 6240-01-345-3263 is a Lamp,incandescent, manufactured by Elcos, classified under FSC 6240 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6240-01-345-3263?

NSN 6240-01-345-3263 has 12 cross-referenced part numbers: 3335 (Elcos), 581-F9 (Safran Electronics & Defense, Avionics Usa, Llc Dba Use CAGE Code 879b2 for Cataloging), 142097347 (Leonardo S.p.a. - Electronics Division - Defence Business Area), 3335 (Staco Systems, Inc. Dba Staco Systems Div Dba Staco Systems), SG4-15-1-00 (Critical Maritime Systems & Support Limited) and 7 more.

What NSN replaces 6240-01-345-3263?

There are 12 known substitutes for 6240-01-345-3263: 5935-00-023-9693, 6685-00-050-7721, 4820-00-111-3232 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3335?

Key specifications for 3335: Overall Diameter: 0.186 INCHES NOMINAL IN; Overall Length: 0.375 INCHES NOMINAL IN; Filament Heavy Duty Service Rating: NOT RATED; Bulb Diameter: 0.125 INCHES NOMINAL IN. 16 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6240-01-345-3263 still in active supply?

NSN 6240-01-345-3263 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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