PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A1003Ballast,lamp

Hdt Expeditionary Systems, Inc. Dba Hdt Tactical Systems Inc · NSN 6250-01-644-3558 · FSC 6250 · No Item Name Available
Verified by PartsTable
NSN 6250-01-644-3558 — this item is cataloged by the U.S. Government under National Stock Number 6250-01-644-3558. Primary manufacturer part number: A1003.
Features
  • Ballast,lamp — FSC 6250
  • 2 verified cross-references
  • Primary manufacturer: Hdt Expeditionary Systems, Inc. Dba Hdt Tactical Systems Inc
Applications
  • Area illumination
  • Indicator and warning display
  • Navigation and signal lighting
General Description

The Ballast,lamp, cataloged under National Stock Number 6250-01-644-3558, is classified within Federal Supply Class 6250 (No Item Name Available) of the Lighting Fixtures and Lamps group. The primary manufacturer of record is Hdt Expeditionary Systems, Inc. Dba Hdt Tactical Systems Inc. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameBallast,lamp
FSC / FSG6250 — No Item Name Available (FSG 62)
ManufacturersHdt Expeditionary Systems, Inc. (CAGE 0JKN0); Hdt Expeditionary Systems, Inc. Dba Hdt Tactical Systems Inc (CAGE 7JYX1)
Technical Specifications
ParameterValue
NSN6250-01-644-3558
Primary Part NumberA1003
Item NameBallast,lamp
FSC / FSG6250 / 62 — No Item Name Available
ManufacturerHdt Expeditionary Systems, Inc. Dba Hdt Tactical Systems Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
3120-00-287-657025J406PC27 INTERCHANGEABLE
Bearing,sleeve
Westinghouse Electric Corp
5999-00-308-2485 INTERCHANGEABLE
Contact,electrical
4820-00-476-9739A1003 INTERCHANGEABLE
Valve,angle
Prestolite Electric Inc
4730-00-477-6116A100-3 INTERCHANGEABLE
Strainer Element,sediment
Curtiss-Wright Flow Control Corporation Dba Enertech Div Curtiss-Wright Flow Control
5915-00-500-99042271849 INTERCHANGEABLE
Filter,radio Frequency Interfere
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
3040-00-517-1159A1003 INTERCHANGEABLE
Ball Joint
Cablecraft Motion Controls Llc
2530-00-769-64765B15 INTERCHANGEABLE
Cam Brake Operating
Dana Commercial Vehicle Manufacturing, Llc Dba Dana Commercial Vehicle Products
5935-01-340-2718A1003 INTERCHANGEABLE
Socket,plug-in Electronic Compon
Tektronix, Inc.
Cross-Reference Index
Part NumberManufacturer
A1003 Hdt Expeditionary Systems, Inc. (USA)
A1003 PRIMARY Hdt Expeditionary Systems, Inc. Dba Hdt Tactical Systems Inc (USA)
Related Parts
3120-00-287-6570INTERCHANGEABLE
BEARING,SLEEVE
25J406PC27
5999-00-308-2485INTERCHANGEABLE
CONTACT,ELECTRICAL
4820-00-476-9739INTERCHANGEABLE
VALVE,ANGLE
A1003
4730-00-477-6116INTERCHANGEABLE
STRAINER ELEMENT,SEDIMENT
A100-3
5915-00-500-9904INTERCHANGEABLE
FILTER,RADIO FREQUENCY INTERFERE
2271849
3040-00-517-1159INTERCHANGEABLE
BALL JOINT
A1003
2530-00-769-6476INTERCHANGEABLE
CAM BRAKE OPERATING
5B15
5935-01-340-2718INTERCHANGEABLE
SOCKET,PLUG-IN ELECTRONIC COMPON
A1003

Frequently Asked Questions

What is NSN 6250-01-644-3558?

NSN 6250-01-644-3558 is a Ballast,lamp, manufactured by Hdt Expeditionary Systems, Inc. Dba Hdt Tactical Systems Inc, classified under FSC 6250 (No Item Name Available). Status: active.

What are the part numbers for NSN 6250-01-644-3558?

NSN 6250-01-644-3558 has 2 cross-referenced part numbers: A1003 (Hdt Expeditionary Systems, Inc.), A1003 (Hdt Expeditionary Systems, Inc. Dba Hdt Tactical Systems Inc).

What NSN replaces 6250-01-644-3558?

There are 8 known substitutes for 6250-01-644-3558: 3120-00-287-6570, 5999-00-308-2485, 4820-00-476-9739 and 5 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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