PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3901-246686Lamp,incandescent

Fluke Corp · NSN 6240-00-555-6347 · FSC 6240 · No Item Name Available
Verified by PartsTable
NSN 6240-00-555-6347 — this item is cataloged by the U.S. Government under National Stock Number 6240-00-555-6347. Primary manufacturer part number: 3901-246686.
Features
  • Lamp,incandescent — FSC 6240
  • Light Center Length: 0.500 INCHES NOMINAL IN
  • Light Output Rating: 0.300 SPHERICAL CANDLEPOWER NOMINAL SINGLE RATING
  • Average Life Rating in Hours: 7000.0
  • Bulb Light Transmission Characteristic: TRANSPARENT
  • Voltage Rating: 28.000 VOLTS NOMINAL
  • Rated Average Life: HOURS
  • Filament Heavy Duty Service Rating: NOT RATED
Applications
  • Area illumination
  • Indicator and warning display
  • Navigation and signal lighting
General Description

The Lamp,incandescent, cataloged under National Stock Number 6240-00-555-6347, is classified within Federal Supply Class 6240 (No Item Name Available) of the Lighting Fixtures and Lamps group. The primary manufacturer of record is Fluke Corp. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 50 commercial cross-references from 42 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
NSN6240-00-555-6347
Primary Part Number3901-246686
Item NameLamp,incandescent
FSC / FSG6240 / 62 — No Item Name Available
ManufacturerFluke Corp
StatusCANCELLED
Light Center Length0.500 INCHES NOMINAL IN
Light Output Rating0.300 SPHERICAL CANDLEPOWER NOMINAL SINGLE RATING
Average Life Rating in Hours7000.0
Bulb Light Transmission CharacteristicTRANSPARENT
Voltage Rating28.000 VOLTS NOMINAL
Rated Average LifeHOURS
Filament Heavy Duty Service RatingNOT RATED
Base StyleSUB-MINIATURE TWO PIN
Bulb DesignatorT-1 3/4
Current Rating for Which Designed0.040 AMPERES NOMINAL
Bulb StyleT (TUBULAR)
Wattage Rating1.120 WATTS
Filament DesignationC-2F
Emitted Light CharacteristicCOLORLESS
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
1325-00-028-5446 INTERCHANGEABLE
Fuze,bomb
1325-00-028-6034 INTERCHANGEABLE
Fuze,bomb,practice
5815-00-162-07337387 INTERCHANGEABLE
Bracket
Telemechanics Inc
5935-00-239-25437387 INTERCHANGEABLE
Connector,plug,electrical
Hubbell Incorporated (delaware) Dba Wiring Device-Kellems Division
6930-00-301-1136 INTERCHANGEABLE
Cup,with Elbow
1650-00-304-577194727 INTERCHANGEABLE
Filter,fluid
Honeywell International, Inc Div Aerospace-Tucson
6240-00-405-48477377 INTERCHANGEABLE
Lamp,incandescent
Gte Products Corp Lighting Products Group Hillsboro Miniature Lamp Plant
5975-00-553-3703 INTERCHANGEABLE
Box Connector,electrical
3010-00-933-09720758251 INTERCHANGEABLE
Gridmember,coupling
Rexnord Industries Llc
3230-01-294-335194306C2 INTERCHANGEABLE
Blade,jig Saw,woodworking
Skil Corp
Cross-Reference Index
Part NumberManufacturer
CM7387 Satair A/s (DNK)
399820-005 Elbitamerica, Inc. (USA)
246686 Fluke Corp (USA)
2140-0213 Keysight Technologies, Inc. (USA)
7387 Te Connectivity Corporation (USA)
94727 Edo Canada Ltd (CAN)
7387 Chicago Miniature Lighting Llc Dba Chicago Miniature Optoelectron (USA)
LTX7387 Lamptronix Co Ltd (USA)
801A276 Ntu Circuits Inc (USA)
367-012-003 L3harris Interstate Electronics Corporation (USA)
211-45940-1 Hadron Inc Communications Products Div (USA)
7387 Lamp Industry for Use with Industry Designations and Abbreviations for Lamps
BP36.28.0401 Uptolight (FRA)
EL-S-5-014121-001 Industrial Nucleonics Corp (USA)
OL-387BP Oshino Lamps Ltd. (JPN)
184-29638-06 Gte Communication Systems Corp (USA)
7387 Alco Electronic Products Inc (USA)
7387 Satair A/s (DNK)
800M-N4 Rockwell Automation, Inc. Dba Rockwell Automation (USA)
PL7387 Precision Lamp Inc (USA)
Related Parts
1325-00-028-5446INTERCHANGEABLE
FUZE,BOMB
1325-00-028-6034INTERCHANGEABLE
FUZE,BOMB,PRACTICE
5815-00-162-0733INTERCHANGEABLE
BRACKET
7387
5935-00-239-2543INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
7387
6930-00-301-1136INTERCHANGEABLE
CUP,WITH ELBOW
1650-00-304-5771INTERCHANGEABLE
FILTER,FLUID
94727
6240-00-405-4847INTERCHANGEABLE
LAMP,INCANDESCENT
7377
5975-00-553-3703INTERCHANGEABLE
BOX CONNECTOR,ELECTRICAL
3010-00-933-0972INTERCHANGEABLE
GRIDMEMBER,COUPLING
0758251
3230-01-294-3351INTERCHANGEABLE
BLADE,JIG SAW,WOODWORKING
94306C2
8040-01-326-6424INTERCHANGEABLE
HARDENER,ADHESIVE
18862
6240-01-333-7825INTERCHANGEABLE
LAMP,INCANDESCENT
CM7387

Frequently Asked Questions

What is NSN 6240-00-555-6347?

NSN 6240-00-555-6347 is a Lamp,incandescent, manufactured by Fluke Corp, classified under FSC 6240 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6240-00-555-6347?

NSN 6240-00-555-6347 has 50 cross-referenced part numbers: CM7387 (Satair A/s), 399820-005 (Elbitamerica, Inc.), 246686 (Fluke Corp), 2140-0213 (Keysight Technologies, Inc.), 7387 (Te Connectivity Corporation) and 45 more.

What NSN replaces 6240-00-555-6347?

There are 12 known substitutes for 6240-00-555-6347: 1325-00-028-5446, 1325-00-028-6034, 5815-00-162-0733 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3901-246686?

Key specifications for 3901-246686: Light Center Length: 0.500 INCHES NOMINAL IN; Light Output Rating: 0.300 SPHERICAL CANDLEPOWER NOMINAL SINGLE RATING; End Item Identification: TORPEDO SYSTEMS, MK 46; DEFENSE METEOROLOGICAL SATELLITE PROGRAM (DMSP); AIRCRAFT, B-2 BOMBER (ATB); TICONDEROGA CLASS CG (47); SPRUANCE CLASS DD (963); SONAR SIGNAL PROCESSING SYS, AN/SQQ-28(V); TRAINER, B1-B AIRCRAFT; RADAR IFF SYSTEM AN/TPX-42A(V); AIRCRAFT, E-4B AIRBORNE COMMAND POST A; Average Life Rating in Hours: 7000.0. 16 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6240-00-555-6347 still in active supply?

NSN 6240-00-555-6347 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.
PartsTable Design LLC · partstable.com