PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2551Headlight

American Defense Group Llc Dba American Physical Security Group Llc · NSN 6220-01-582-2571 · FSC 6220 · No Item Name Available
Verified by PartsTable
NSN 6220-01-582-2571 — this item is cataloged by the U.S. Government under National Stock Number 6220-01-582-2571. Primary manufacturer part number: 2551.
Features
  • Headlight — FSC 6220
  • 4 verified cross-references
  • Primary manufacturer: American Defense Group Llc Dba American Physical Security Group Llc
Applications
  • Facility lighting installation
  • Emergency and exit lighting
  • Runway and airfield lighting
General Description

The Headlight, cataloged under National Stock Number 6220-01-582-2571, is classified within Federal Supply Class 6220 (No Item Name Available) of the Lighting Fixtures and Lamps group. The primary manufacturer of record is American Defense Group Llc Dba American Physical Security Group Llc. This item has 4 commercial cross-references from 3 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
NSN6220-01-582-2571
Primary Part Number2551
Item NameHeadlight
FSC / FSG6220 / 62 — No Item Name Available
ManufacturerAmerican Defense Group Llc Dba American Physical Security Group Llc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5905-00-105-7564 INTERCHANGEABLE
Resistor,variable,nonwire Wound,
5895-00-166-79892551 INTERCHANGEABLE
Control,recorder
Gifft T H Co Inc
4820-00-484-0673 INTERCHANGEABLE
Flapper,rubber
5930-00-756-0232 INTERCHANGEABLE
Switch,rotary
5985-00-759-8877 INTERCHANGEABLE
Attenuator Subassembly
3020-00-819-8848 INTERCHANGEABLE
Gear,spur
5935-00-869-8104103-0032-00 INTERCHANGEABLE
Adapter,connector
Tektronix, Inc.
5325-00-939-9302 INTERCHANGEABLE
Grommet,nonmetallic
5307-01-194-457535316934 INTERCHANGEABLE
Stud
Clark Equipment Co Div Doosan Infracore Portable Power
5865-01-243-8842R-3070 INTERCHANGEABLE
Receiving Set,countermeasures
Cubic Communications Inc
Cross-Reference Index
Part NumberManufacturer
KCH1763 American Defense Systems, Inc. Dba Adsi (USA)
2551 PRIMARY American Defense Group Llc Dba American Physical Security Group Llc (USA)
KCH1763 PRIMARY Kc Hilites Inc (USA)
KCH1763 American Defense Group Llc Dba American Physical Security Group Llc (USA)
Related Parts
5905-00-105-7564INTERCHANGEABLE
RESISTOR,VARIABLE,NONWIRE WOUND,
5895-00-166-7989INTERCHANGEABLE
CONTROL,RECORDER
2551
4820-00-484-0673INTERCHANGEABLE
FLAPPER,RUBBER
5930-00-756-0232INTERCHANGEABLE
SWITCH,ROTARY
5985-00-759-8877INTERCHANGEABLE
ATTENUATOR SUBASSEMBLY
3020-00-819-8848INTERCHANGEABLE
GEAR,SPUR
5935-00-869-8104INTERCHANGEABLE
ADAPTER,CONNECTOR
103-0032-00
5325-00-939-9302INTERCHANGEABLE
GROMMET,NONMETALLIC
5307-01-194-4575INTERCHANGEABLE
STUD
35316934
5865-01-243-8842INTERCHANGEABLE
RECEIVING SET,COUNTERMEASURES
R-3070
3940-01-591-5317INTERCHANGEABLE
SLING,MULTIPLE LEG
2551
5360-01-597-3413INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
2551

Frequently Asked Questions

What is NSN 6220-01-582-2571?

NSN 6220-01-582-2571 is a Headlight, manufactured by American Defense Group Llc Dba American Physical Security Group Llc, classified under FSC 6220 (No Item Name Available). Status: active.

What are the part numbers for NSN 6220-01-582-2571?

NSN 6220-01-582-2571 has 4 cross-referenced part numbers: KCH1763 (American Defense Systems, Inc. Dba Adsi), 2551 (American Defense Group Llc Dba American Physical Security Group Llc), KCH1763 (Kc Hilites Inc), KCH1763 (American Defense Group Llc Dba American Physical Security Group Llc).

What NSN replaces 6220-01-582-2571?

There are 12 known substitutes for 6220-01-582-2571: 5905-00-105-7564, 5895-00-166-7989, 4820-00-484-0673 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2551?

Key specifications for 2551: Part Name Assigned by Controlling Agency: LIGHTS,KC; End Item Identification: 3805-01-575-4790;KIT,ARMOR,MULTI-TERRAIN. 2 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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