PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A321Lamp,glow

Chicago Miniature Lighting Llc Dba Chicago Miniature Optoelectron · NSN 6240-00-777-4263 · FSC 6240 · No Item Name Available
Verified by PartsTable
NSN 6240-00-777-4263 — this item is cataloged by the U.S. Government under National Stock Number 6240-00-777-4263. Primary manufacturer part number: A321.
Features
  • Lamp,glow — FSC 6240
  • Wire Lead Length: 1.000 INCHES NOMINAL IN
  • Light Intensity Level: STANDARD
  • Base Style: WIRE LEADS, DOWN
  • Circuit Voltage Rating in Volts: 105.000 MINIMUM AND 125.000 MAXIMUM
  • Rated Average Life: HOURS
  • Wattage Rating: 0.033 WATTS
  • Gas Striking Voltage Rating in Volts and Current Type: 65.0 AC MAXIMUM FIRST VOLTAGE
Applications
  • Area illumination
  • Indicator and warning display
  • Navigation and signal lighting
General Description

The Lamp,glow, cataloged under National Stock Number 6240-00-777-4263, is classified within Federal Supply Class 6240 (No Item Name Available) of the Lighting Fixtures and Lamps group. The primary manufacturer of record is Chicago Miniature Lighting Llc Dba Chicago Miniature Optoelectron. Government technical data includes 14 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. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6240-00-777-4263
Primary Part NumberA321
Item NameLamp,glow
FSC / FSG6240 / 62 — No Item Name Available
ManufacturerChicago Miniature Lighting Llc Dba Chicago Miniature Optoelectron
StatusACTIVE
Wire Lead Length1.000 INCHES NOMINAL IN
Light Intensity LevelSTANDARD
Base StyleWIRE LEADS, DOWN
Circuit Voltage Rating in Volts105.000 MINIMUM AND 125.000 MAXIMUM
Rated Average LifeHOURS
Wattage Rating0.033 WATTS
Gas Striking Voltage Rating in Volts and Current Type65.0 AC MAXIMUM FIRST VOLTAGE
Resistor Rating and Location1.000 KILOHMS EXTERNAL
Average Life Rating in Hours10000.0
Emitted Light CharacteristicRED
Filling Gas TypeNEON
Bulb DesignatorT-2
Bulb StyleT (TUBULAR)
Gas Striking Voltage Rating in Volts and Current Type90.0 DC MAXIMUM SECOND VOLTAGE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
6110-00-129-8698A321 INTERCHANGEABLE
Panel,power Distribution
Lockheed Martin Corp
5342-00-200-41148177310 INTERCHANGEABLE
Mount,resilient,weapon System
Us Army Aviation and Missile Command
6130-00-635-8505 INTERCHANGEABLE
Rectifier,metallic
2520-00-734-9414A321 INTERCHANGEABLE
Yoke Release Bearin
Eaton Corp Transmission Div
3040-00-980-0727 INTERCHANGEABLE
Shaft,straight
9390-01-037-4571 INTERCHANGEABLE
Tape,reflective
5915-01-072-6683SCI-1021-000 INTERCHANGEABLE
Filter,radio Frequency Interfere
Spectrum Control, Inc.
5305-01-499-6878A-321 INTERCHANGEABLE
Screw,socket-Clamp
Hartzell Propeller Llc
Cross-Reference Index
Part NumberManufacturer
A321 PRIMARY Chicago Miniature Lighting Llc Dba Chicago Miniature Optoelectron (USA)
Related Parts
6110-00-129-8698INTERCHANGEABLE
PANEL,POWER DISTRIBUTION
A321
5342-00-200-4114INTERCHANGEABLE
MOUNT,RESILIENT,WEAPON SYSTEM
8177310
6130-00-635-8505INTERCHANGEABLE
RECTIFIER,METALLIC
2520-00-734-9414INTERCHANGEABLE
YOKE RELEASE BEARIN
A321
3040-00-980-0727INTERCHANGEABLE
SHAFT,STRAIGHT
9390-01-037-4571INTERCHANGEABLE
TAPE,REFLECTIVE
5915-01-072-6683INTERCHANGEABLE
FILTER,RADIO FREQUENCY INTERFERE
SCI-1021-000
5305-01-499-6878INTERCHANGEABLE
SCREW,SOCKET-CLAMP
A-321

Frequently Asked Questions

What is NSN 6240-00-777-4263?

NSN 6240-00-777-4263 is a Lamp,glow, manufactured by Chicago Miniature Lighting Llc Dba Chicago Miniature Optoelectron, classified under FSC 6240 (No Item Name Available). Status: active.

What are the part numbers for NSN 6240-00-777-4263?

NSN 6240-00-777-4263 has 1 cross-referenced part number: A321 (Chicago Miniature Lighting Llc Dba Chicago Miniature Optoelectron).

What NSN replaces 6240-00-777-4263?

There are 8 known substitutes for 6240-00-777-4263: 6110-00-129-8698, 5342-00-200-4114, 6130-00-635-8505 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of A321?

Key specifications for A321: Overall Length: 0.843 INCHES MAXIMUM IN; Wire Lead Length: 1.000 INCHES NOMINAL IN; Light Intensity Level: STANDARD; Base Style: WIRE LEADS, DOWN. 15 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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