NSN 6120-01-644-3533 · NIIN 016443533 · Part number LGT-ACT-COMBO
Hdt Expeditionary Systems, Inc. Dba Hdt Tactical Systems Inc · FSC 6120 — Transformers: Distribution and Power Station · FSG 61 — Electric Wire, Power, and Distribution Equipment · CAGE 7JYX1
Government record, cited
NSN 6120-01-644-3533 — this item is cataloged by the U.S. Government under National Stock Number 6120-01-644-3533. Manufacturer of record part number: LGT-ACT-COMBO.
Also searched as6120-01-644-3533 ·
6120016443533 ·
NIIN 016443533 ·
01-644-3533 ·
FSC 6120 Transformers: Distribution and Power Station · CAGE 7JYX1 · LGT-ACT-COMBO
Manufacturer of record: Hdt Expeditionary Systems, Inc. Dba Hdt Tactical Systems Inc
Identification
NSN: 6120-01-644-3533
NIIN: 016443533
FSC: 6120 — Transformers: Distribution and Power Station
FSG: 61 — Electric Wire, Power, and Distribution Equipment
Primary part number: LGT-ACT-COMBO
Manufacturer: Hdt Expeditionary Systems, Inc. Dba Hdt Tactical Systems Inc
General Description
The Transformer,power, cataloged under National Stock Number 6120-01-644-3533, is classified within Federal Supply Class 6120 (Transformers: Distribution and Power Station) of the Electric Wire, Power, and Distribution Equipment group. The manufacturer of record is Hdt Expeditionary Systems, Inc. Dba Hdt Tactical Systems Inc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
Catalog Facts
Item Name
Transformer,power
FSC / FSG
6120 — Transformers: Distribution and Power Station (FSG 61)
Manufacturers
Hdt Expeditionary Systems, Inc. Dba Hdt Tactical Systems Inc (CAGE 7JYX1)
Technical Specifications
Parameter
Value
NSN
6120-01-644-3533
Primary Part Number
LGT-ACT-COMBO
Item Name
Transformer,power
FSC / FSG
6120 / 61 — Transformers: Distribution and Power Station
Manufacturer
Hdt Expeditionary Systems, Inc. Dba Hdt Tactical Systems Inc
Hdt Expeditionary Systems, Inc. Dba Hdt Tactical Systems Inc (USA)
Reference documents
Reference
Meaning
LGT-ACT-COMBO
3/9Design control — primary reference
Hdt Expeditionary Systems, Inc.
No interchangeability data on file.
Other items in FSC 6120 — Transformers: Distribution and Power Station
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
6120-00-001-6024
TRANSFORMER,POWER
6120-00-001-6064
6120-00-001-6064 · Item name not on file
6120-00-003-3005
6120-00-003-3005 · Item name not on file
6120-00-004-0802
6120-00-004-0802 · Item name not on file
6120-00-004-6951
6120-00-004-6951 · Item name not on file
6120-00-005-5119
6120-00-005-5119 · Item name not on file
6120-00-005-6645
6120-00-005-6645 · Item name not on file
6120-00-005-6646
6120-00-005-6646 · Item name not on file
Frequently Asked Questions
What is NSN 6120-01-644-3533?
NSN 6120-01-644-3533 is a Transformer,power, manufactured by Hdt Expeditionary Systems, Inc. Dba Hdt Tactical Systems Inc, classified under FSC 6120, Transformers: Distribution and Power Station. Status: active.
What part numbers are listed for NSN 6120-01-644-3533?
NSN 6120-01-644-3533 has 1 manufacturer part number on file: LGT-ACT-COMBO (Hdt Expeditionary Systems, Inc. Dba Hdt Tactical Systems Inc).
Is NSN 6120-01-644-3533 hazardous material?
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.