PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

F40T12-48/PRS/SPECTRUMLITE/28MLamp,fluorescent

Westron Corporation Dba Westron Lighting · NSN 6240-01-313-6864 · FSC 6240 · No Item Name Available
Verified by PartsTable
NSN 6240-01-313-6864 — this item is cataloged by the U.S. Government under National Stock Number 6240-01-313-6864. Primary manufacturer part number: F40T12-48/PRS/SPECTRUMLITE/28M.
Features
  • Lamp,fluorescent — FSC 6240
  • Rated Average Life: HOURS
  • Emitted Light Characteristic: WHITE
  • Base Style: MEDIUM BIPIN (FLUORESCENT)
  • Starting Characteristic: PREHEAT AND RAPID
  • Bulb Style: T (TUBULAR)
  • Bulb Designator: T-12
  • Wattage Rating: 40.000 WATTS
Applications
  • Area illumination
  • Indicator and warning display
  • Navigation and signal lighting
General Description

The Lamp,fluorescent, cataloged under National Stock Number 6240-01-313-6864, is classified within Federal Supply Class 6240 (No Item Name Available) of the Lighting Fixtures and Lamps group. The primary manufacturer of record is Westron Corporation Dba Westron Lighting. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references 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
NSN6240-01-313-6864
Primary Part NumberF40T12-48/PRS/SPECTRUMLITE/28M
Item NameLamp,fluorescent
FSC / FSG6240 / 62 — No Item Name Available
ManufacturerWestron Corporation Dba Westron Lighting
StatusACTIVE
Rated Average LifeHOURS
Emitted Light CharacteristicWHITE
Base StyleMEDIUM BIPIN (FLUORESCENT)
Starting CharacteristicPREHEAT AND RAPID
Bulb StyleT (TUBULAR)
Bulb DesignatorT-12
Wattage Rating40.000 WATTS
Average Life Rating in Hours28000.0
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5950-00-553-5510 INTERCHANGEABLE
Reactor
5305-00-623-5408PM21401 INTERCHANGEABLE
Screw,self Tapping
Mason Electric Co. Dba Mason Controls
5975-01-067-25078225 INTERCHANGEABLE
Box Connector,electrical
Abb Installation Products Inc
5998-01-072-2464 INTERCHANGEABLE
Circuit Card Assembly
3120-01-158-535921-401 INTERCHANGEABLE
Bearing Half,sleeve
Rix Industries
3020-01-199-465821401 INTERCHANGEABLE
Port Head Actuator
Moog Inc. Dba Ampac-Isp Corp
7510-01-435-853741512 INTERCHANGEABLE
Portfolio
Franklin Covey Co Government Group Products
Cross-Reference Index
Part NumberManufacturer
F40T12-48/PRS/SPECTRUMLITE/28M PRIMARY Westron Corporation Dba Westron Lighting (USA)
21401 Westron Corporation Dba Westron Lighting (USA)
Related Parts
5950-00-553-5510INTERCHANGEABLE
REACTOR
5305-00-623-5408INTERCHANGEABLE
SCREW,SELF TAPPING
PM21401
5975-01-067-2507INTERCHANGEABLE
BOX CONNECTOR,ELECTRICAL
8225
5998-01-072-2464INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
3120-01-158-5359INTERCHANGEABLE
BEARING HALF,SLEEVE
21-401
3020-01-199-4658INTERCHANGEABLE
PORT HEAD ACTUATOR
21401
7510-01-435-8537INTERCHANGEABLE
PORTFOLIO
41512

Frequently Asked Questions

What is NSN 6240-01-313-6864?

NSN 6240-01-313-6864 is a Lamp,fluorescent, manufactured by Westron Corporation Dba Westron Lighting, classified under FSC 6240 (No Item Name Available). Status: active.

What are the part numbers for NSN 6240-01-313-6864?

NSN 6240-01-313-6864 has 2 cross-referenced part numbers: F40T12-48/PRS/SPECTRUMLITE/28M (Westron Corporation Dba Westron Lighting), 21401 (Westron Corporation Dba Westron Lighting).

What NSN replaces 6240-01-313-6864?

There are 7 known substitutes for 6240-01-313-6864: 5950-00-553-5510, 5305-00-623-5408, 5975-01-067-2507 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of F40T12-48/PRS/SPECTRUMLITE/28M?

Key specifications for F40T12-48/PRS/SPECTRUMLITE/28M: Rated Average Life: HOURS; Emitted Light Characteristic: WHITE; Base Style: MEDIUM BIPIN (FLUORESCENT); Starting Characteristic: PREHEAT AND RAPID. 9 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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