PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A1-220Lamp,incandescent

Osram Ltd (uk) Ltd · NSN 6240-00-389-4822 · FSC 6240 · No Item Name Available
Verified by PartsTable
NSN 6240-00-389-4822 — this item is cataloged by the U.S. Government under National Stock Number 6240-00-389-4822. Primary manufacturer part number: A1-220.
Features
  • Lamp,incandescent — FSC 6240
  • Burning Position: BASE DOWN TO HORIZONTAL
  • Emitted Light Characteristic: COLORLESS
  • Light Center Length: 30.0 MILLIMETERS NOMINAL MM
  • Specification/standard Data: 08108-BRL PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
  • Voltage Rating: 12.000 VOLTS NOMINAL
  • Wattage Rating: 50.000 WATTS
  • Bulb Light Transmission Characteristic: TRANSPARENT
Applications
  • Area illumination
  • Indicator and warning display
  • Navigation and signal lighting
General Description

The Lamp,incandescent, cataloged under National Stock Number 6240-00-389-4822, is classified within Federal Supply Class 6240 (No Item Name Available) of the Lighting Fixtures and Lamps group. The primary manufacturer of record is Osram Ltd (uk) Ltd. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 7 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
NSN6240-00-389-4822
Primary Part NumberA1-220
Item NameLamp,incandescent
FSC / FSG6240 / 62 — No Item Name Available
ManufacturerOsram Ltd (uk) Ltd
StatusCANCELLED
Burning PositionBASE DOWN TO HORIZONTAL
Emitted Light CharacteristicCOLORLESS
Light Center Length30.0 MILLIMETERS NOMINAL MM
Specification/standard Data08108-BRL PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Voltage Rating12.000 VOLTS NOMINAL
Wattage Rating50.000 WATTS
Bulb Light Transmission CharacteristicTRANSPARENT
Light Output Rating1400.000 LUMENS NOMINAL SINGLE RATING
Base StyleMINIATURE TWO PIN
Rated Average LifeHOURS
Filament Heavy Duty Service RatingNOT RATED
Color Temp in Deg Kelvin3400.0
Current Rating for Which Designed4.166 AMPERES NOMINAL
Features ProvidedHEAT RESISTANT GLASS
Average Life Rating in Hours50.0
Bulb StyleT (TUBULAR)
Filament DesignationC-6
Bulb DesignatorT-3.5
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
4820-00-036-13727027 INTERCHANGEABLE
Valve,flow Control
O. C. Keckley Company
3110-00-120-3104 INTERCHANGEABLE
Bearing,roller,needle
5815-00-126-42197027 INTERCHANGEABLE
Roller
Telemechanics Inc
5935-00-259-53142Z7412-12 INTERCHANGEABLE
Connector,receptacle,electrical
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
3120-00-287-6468258-1-17 INTERCHANGEABLE
Bearing,sleeve
Almon Johnson Ltd
5915-00-453-6724B2850-3517 INTERCHANGEABLE
Filter,radio Frequency Interfere
Trane U.s. Inc. Dba the Trane Co Div Trane Headquarters
4720-00-470-8304AE138-10 INTERCHANGEABLE
Tubing,nonmetallic
Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution
2910-00-774-4275119257 INTERCHANGEABLE
Pump,fuel,cam Actuated
Am General Llc
5365-00-812-175628903-5A INTERCHANGEABLE
Ring,lock,keyed
Triumph Engine Control Systems Llc
5935-00-928-7851357-7207-090 INTERCHANGEABLE
Connector,receptacle,electrical
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
Cross-Reference Index
Part NumberManufacturer
64610 Osram Gesellschaft Mit Beschrankter Haftung (DEU)
A1-220 PRIMARY Osram Ltd (uk) Ltd (GBR)
7027 Philips Electronics North America Corporation Dba Philips Lighting Div Philips Lighting Company (USA)
64610 HLX Osram Sales Corp Div of Siemens Corp (USA)
BRL Philips Electronics North America Corporation Dba Philips Lighting Div Philips Lighting Company (USA)
30950000 PRIMARY Kollmorgen Corp Macbeth Div (USA)
ND239748 Mcdonnell Douglas Aerospace Services Co (USA)
64610 Osram Gmbh (DEU)
Related Parts
4820-00-036-1372INTERCHANGEABLE
VALVE,FLOW CONTROL
7027
3110-00-120-3104INTERCHANGEABLE
BEARING,ROLLER,NEEDLE
5815-00-126-4219INTERCHANGEABLE
ROLLER
7027
5935-00-259-5314INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
2Z7412-12
3120-00-287-6468INTERCHANGEABLE
BEARING,SLEEVE
258-1-17
5915-00-453-6724INTERCHANGEABLE
FILTER,RADIO FREQUENCY INTERFERE
B2850-3517
4720-00-470-8304INTERCHANGEABLE
TUBING,NONMETALLIC
AE138-10
2910-00-774-4275INTERCHANGEABLE
PUMP,FUEL,CAM ACTUATED
119257
5365-00-812-1756INTERCHANGEABLE
RING,LOCK,KEYED
28903-5A
5935-00-928-7851INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
357-7207-090
5950-00-943-1249INTERCHANGEABLE
COIL,RADIO FREQUENCY
7236254P006
4920-01-038-0984INTERCHANGEABLE
TEST SET,ELECTRONIC SYSTEMS
7027

Frequently Asked Questions

What is NSN 6240-00-389-4822?

NSN 6240-00-389-4822 is a Lamp,incandescent, manufactured by Osram Ltd (uk) Ltd, classified under FSC 6240 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6240-00-389-4822?

NSN 6240-00-389-4822 has 8 cross-referenced part numbers: 64610 (Osram Gesellschaft Mit Beschrankter Haftung), A1-220 (Osram Ltd (uk) Ltd), 7027 (Philips Electronics North America Corporation Dba Philips Lighting Div Philips Lighting Company), 64610 HLX (Osram Sales Corp Div of Siemens Corp), BRL (Philips Electronics North America Corporation Dba Philips Lighting Div Philips Lighting Company) and 3 more.

What NSN replaces 6240-00-389-4822?

There are 12 known substitutes for 6240-00-389-4822: 4820-00-036-1372, 3110-00-120-3104, 5815-00-126-4219 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of A1-220?

Key specifications for A1-220: Burning Position: BASE DOWN TO HORIZONTAL; Emitted Light Characteristic: COLORLESS; Light Center Length: 30.0 MILLIMETERS NOMINAL MM; Specification/standard Data: 08108-BRL PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD. 20 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6240-00-389-4822 still in active supply?

NSN 6240-00-389-4822 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.
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