PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

521-9212Lamp,incandescent

Dialight Corporation · NSN 6240-01-421-9148 · FSC 6240 · No Item Name Available
Verified by PartsTable
NSN 6240-01-421-9148 — this item is cataloged by the U.S. Government under National Stock Number 6240-01-421-9148. Primary manufacturer part number: 521-9212.
Features
  • Lamp,incandescent — FSC 6240
  • 2 verified cross-references
  • Primary manufacturer: Dialight Corporation
Applications
  • Area illumination
  • Indicator and warning display
  • Navigation and signal lighting
General Description

The Lamp,incandescent, cataloged under National Stock Number 6240-01-421-9148, is classified within Federal Supply Class 6240 (No Item Name Available) of the Lighting Fixtures and Lamps group. The primary manufacturer of record is Dialight Corporation. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6240-01-421-9148
Primary Part Number521-9212
Item NameLamp,incandescent
FSC / FSG6240 / 62 — No Item Name Available
ManufacturerDialight Corporation
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5945-01-398-22498BXX-24-60 INTERCHANGEABLE
Relay,electromagnetic
Struthers-Dunn Inc.
Cross-Reference Index
Part NumberManufacturer
521-9212 PRIMARY Dialight Corporation (USA)
182512-008 Harris Corp Transcomm Div (USA)
Related Parts
5945-01-398-2249INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
8BXX-24-60

Frequently Asked Questions

What is NSN 6240-01-421-9148?

NSN 6240-01-421-9148 is a Lamp,incandescent, manufactured by Dialight Corporation, classified under FSC 6240 (No Item Name Available). Status: active.

What are the part numbers for NSN 6240-01-421-9148?

NSN 6240-01-421-9148 has 2 cross-referenced part numbers: 521-9212 (Dialight Corporation), 182512-008 (Harris Corp Transcomm Div).

What NSN replaces 6240-01-421-9148?

There is 1 known substitute for 6240-01-421-9148: 5945-01-398-2249. Verify interchangeability with system specifications before substitution.

What are the specifications of 521-9212?

Key specifications for 521-9212: End Item Identification: VSCS. 1 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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