NSN 6120-01-591-4054 · NIIN 015914054 · Part number MK3 PSU
Olympus America Inc · FSC 6120 — Transformers: Distribution and Power Station · FSG 61 — Electric Wire, Power, and Distribution Equipment · CAGE 1KY21
Government record, cited
NSN 6120-01-591-4054 — this item is cataloged by the U.S. Government under National Stock Number 6120-01-591-4054. Manufacturer of record part number: MK3 PSU.
Also searched as6120-01-591-4054 ·
6120015914054 ·
NIIN 015914054 ·
01-591-4054 ·
FSC 6120 Transformers: Distribution and Power Station · CAGE 1KY21 · MK3 PSU · 4022154.00 · 402215401
Nearby stock numbers← 6120-01-591-3998 Power Supply
·
6120-01-591-6689 Transformer, Power →
Features
Power Supply — FSC 6120
2 manufacturer part numbers on file
Manufacturer of record: Olympus America Inc
Identification
NSN: 6120-01-591-4054
NIIN: 015914054
FSC: 6120 — Transformers: Distribution and Power Station
FSG: 61 — Electric Wire, Power, and Distribution Equipment
Primary part number: MK3 PSU
Manufacturer: Olympus America Inc
General Description
The Power Supply, cataloged under National Stock Number 6120-01-591-4054, 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 Olympus America Inc. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
Technical Specifications
Parameter
Value
NSN
6120-01-591-4054
Primary Part Number
MK3 PSU
Item Name
Power Supply
FSC / FSG
6120 / 61 — Transformers: Distribution and Power Station
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 6120-01-591-4054?
NSN 6120-01-591-4054 is a Power Supply, manufactured by Olympus America Inc, classified under FSC 6120, Transformers: Distribution and Power Station. Status: active.
What part numbers are listed for NSN 6120-01-591-4054?
NSN 6120-01-591-4054 has 2 manufacturer part numbers on file: 402215401 (Olympus America Inc), MK3 PSU (Olympus America Inc).
What are the specifications of MK3 PSU?
Key specifications for MK3 PSU: Part Name Assigned by Controlling Agency: EXTERNAL POWER SUPPLY; End Item Identification: DEBRIS TESTER MK 3 & MK 22. 0 specifications are documented in the U.S. Government catalog.
Is NSN 6120-01-591-4054 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.
What is the DEMIL code for NSN 6120-01-591-4054?
NSN 6120-01-591-4054 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.