PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

78403Lamp,fluorescent

Hella Inc · NSN 6240-01-505-7424 · FSC 6240 · No Item Name Available
Verified by PartsTable
NSN 6240-01-505-7424 — this item is cataloged by the U.S. Government under National Stock Number 6240-01-505-7424. Primary manufacturer part number: 78403.
Features
  • Lamp,fluorescent — FSC 6240
  • Rated Average Life: NOT RATED
  • Wattage Rating: 11.000 WATTS
  • Voltage Rating: 12.000 VOLTS NOMINAL
  • Emitted Light Characteristic: COLORLESS
  • Base Style: SMALL FOUR PIN
  • Bulb Style: IT (TWIN TUBULAR)
  • Bulb Designator: 15/32X4 1/2
Applications
  • Area illumination
  • Indicator and warning display
  • Navigation and signal lighting
General Description

The Lamp,fluorescent, cataloged under National Stock Number 6240-01-505-7424, is classified within Federal Supply Class 6240 (No Item Name Available) of the Lighting Fixtures and Lamps group. The primary manufacturer of record is Hella Inc. Government technical data includes 7 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. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6240-01-505-7424
Primary Part Number78403
Item NameLamp,fluorescent
FSC / FSG6240 / 62 — No Item Name Available
ManufacturerHella Inc
StatusACTIVE
Rated Average LifeNOT RATED
Wattage Rating11.000 WATTS
Voltage Rating12.000 VOLTS NOMINAL
Emitted Light CharacteristicCOLORLESS
Base StyleSMALL FOUR PIN
Bulb StyleIT (TWIN TUBULAR)
Bulb Designator15/32X4 1/2
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5120-00-180-0907403 INTERCHANGEABLE
Clamp,c
Diecraft Inc
5977-00-230-6036 INTERCHANGEABLE
Brush,electrical Contact
5325-00-281-864391-BS-78403-1E INTERCHANGEABLE
Socket,turnbutton Fastener
Morito Scovill Americas, Llc Dba Scovill Manufacturing
5977-00-391-979178403 INTERCHANGEABLE
Brush,electrical Contact
Telemechanics Inc
6625-00-827-679878403 INTERCHANGEABLE
Ammeter
Komatsu America Corporation
2920-01-078-5769SAW-10785769 INTERCHANGEABLE
Cover,capacitor,gen
Southern Automotive Wholesalers, Inc
4730-01-367-743178403 INTERCHANGEABLE
Elbow,pipe to Tube
DP Manufacturing Inc.
Cross-Reference Index
Part NumberManufacturer
78403 PRIMARY Hella Inc (USA)
Related Parts
5120-00-180-0907INTERCHANGEABLE
CLAMP,C
403
5977-00-230-6036INTERCHANGEABLE
BRUSH,ELECTRICAL CONTACT
5325-00-281-8643INTERCHANGEABLE
SOCKET,TURNBUTTON FASTENER
91-BS-78403-1E
5977-00-391-9791INTERCHANGEABLE
BRUSH,ELECTRICAL CONTACT
78403
6625-00-827-6798INTERCHANGEABLE
AMMETER
78403
2920-01-078-5769INTERCHANGEABLE
COVER,CAPACITOR,GEN
SAW-10785769
4730-01-367-7431INTERCHANGEABLE
ELBOW,PIPE TO TUBE
78403

Frequently Asked Questions

What is NSN 6240-01-505-7424?

NSN 6240-01-505-7424 is a Lamp,fluorescent, manufactured by Hella Inc, classified under FSC 6240 (No Item Name Available). Status: active.

What are the part numbers for NSN 6240-01-505-7424?

NSN 6240-01-505-7424 has 1 cross-referenced part number: 78403 (Hella Inc).

What NSN replaces 6240-01-505-7424?

There are 7 known substitutes for 6240-01-505-7424: 5120-00-180-0907, 5977-00-230-6036, 5325-00-281-8643 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 78403?

Key specifications for 78403: Rated Average Life: NOT RATED; Wattage Rating: 11.000 WATTS; Voltage Rating: 12.000 VOLTS NOMINAL; Emitted Light Characteristic: COLORLESS. 9 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