PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1643Lampholder

Aerospace Lighting Corporation · NSN 6250-00-703-5401 · FSC 6250 · No Item Name Available
Verified by PartsTable
NSN 6250-00-703-5401 — this item is cataloged by the U.S. Government under National Stock Number 6250-00-703-5401. Primary manufacturer part number: 1643.
Features
  • Lampholder — FSC 6250
  • Mounting Device Quantity: 1
  • Material: PLASTIC BODY
  • Mounting Method: V-SPRING LOCATION NOT OTHERWISE SPECIFIED
  • Current Rating in Amps: 3.0
  • Voltage in Volts: 28.0
  • Terminal Quantity: 2
  • Lamp Base Type Accommodated: SINGLE CONTACT BAYONET CANDELABRA INDEXING
Applications
  • Applications requiring Plastic Body construction
General Description

The Lampholder, cataloged under National Stock Number 6250-00-703-5401, is classified within Federal Supply Class 6250 (No Item Name Available) of the Lighting Fixtures and Lamps group. The primary manufacturer of record is Aerospace Lighting Corporation. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6250-00-703-5401
Primary Part Number1643
Item NameLampholder
FSC / FSG6250 / 62 — No Item Name Available
ManufacturerAerospace Lighting Corporation
StatusACTIVE
Mounting Device Quantity1
MaterialPLASTIC BODY
Mounting MethodV-SPRING LOCATION NOT OTHERWISE SPECIFIED
Current Rating in Amps3.0
Voltage in Volts28.0
Terminal Quantity2
Lamp Base Type AccommodatedSINGLE CONTACT BAYONET CANDELABRA INDEXING
Wattage Rating in Watts84.0
Hazardous Locations/environmental ProtectionNOT RATED
Terminal TypeSCREW
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
2530-00-113-55472830269 INTERCHANGEABLE
Cylinder,hydraulic Brake,master
Chrysler Realty Company Llc Dba Daimler Chrysler
2920-00-242-466416-43 INTERCHANGEABLE
Armature,motor
Prestolite Electric Inc
5962-00-252-7696360085-1 INTERCHANGEABLE
Microcircuit,linear
L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products
4730-00-278-4357SAE J512 4-2 060102BA INTERCHANGEABLE
Adapter,straight,pipe to Tube
Sae International Dba Sae International
5915-00-303-36971643 INTERCHANGEABLE
Filter,direct Current Power
Chicago Condenser Corp., Inc.
4933-00-723-11617231161 INTERCHANGEABLE
Wrench,fuze-Setter,combination,m
Army, United States Department of the Dba Watervliet Arsenal Div Business Development
4820-00-756-75501643 INTERCHANGEABLE
Plunger,valve
Lawler Manufacturing Company, Inc.
3040-00-797-39991643 INTERCHANGEABLE
Cam,control
Eaton Aerospace, Llc Dba Jackson South
5950-00-869-1075D0T43 INTERCHANGEABLE
Transformer,audio Frequency
Magnetika Inc
5935-00-993-2752 INTERCHANGEABLE
Connector,receptacle,electrical
Cross-Reference Index
Part NumberManufacturer
1643 PRIMARY Aerospace Lighting Corporation (USA)
1643 Nellcor Puritan Benn System Co (USA)
Related Parts
2530-00-113-5547INTERCHANGEABLE
CYLINDER,HYDRAULIC BRAKE,MASTER
2830269
2920-00-242-4664INTERCHANGEABLE
ARMATURE,MOTOR
16-43
5962-00-252-7696INTERCHANGEABLE
MICROCIRCUIT,LINEAR
360085-1
4730-00-278-4357INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO TUBE
SAE J512 4-2 060102BA
5915-00-303-3697INTERCHANGEABLE
FILTER,DIRECT CURRENT POWER
1643
4933-00-723-1161INTERCHANGEABLE
WRENCH,FUZE-SETTER,COMBINATION,M
7231161
4820-00-756-7550INTERCHANGEABLE
PLUNGER,VALVE
1643
3040-00-797-3999INTERCHANGEABLE
CAM,CONTROL
1643
5950-00-869-1075INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
D0T43
5935-00-993-2752INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
5340-01-073-1578INTERCHANGEABLE
HINGE,BUTT
1643-02
5340-01-110-2021INTERCHANGEABLE
HINGE,BUTT

Frequently Asked Questions

What is NSN 6250-00-703-5401?

NSN 6250-00-703-5401 is a Lampholder, manufactured by Aerospace Lighting Corporation, classified under FSC 6250 (No Item Name Available). Status: active.

What are the part numbers for NSN 6250-00-703-5401?

NSN 6250-00-703-5401 has 2 cross-referenced part numbers: 1643 (Aerospace Lighting Corporation), 1643 (Nellcor Puritan Benn System Co).

What NSN replaces 6250-00-703-5401?

There are 12 known substitutes for 6250-00-703-5401: 2530-00-113-5547, 2920-00-242-4664, 5962-00-252-7696 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1643?

Key specifications for 1643: Mounting Device Quantity: 1; Material: PLASTIC BODY; Special Features: SWITCH NOT INCL; Mounting Method: V-SPRING LOCATION NOT OTHERWISE SPECIFIED. 14 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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