NSN 3040-01-239-5390 · NIIN 012395390 · Part number 2D1-393-2
Lake Shore Systems, Inc. · FSC 3040 — Miscellaneous Power Transmission Equipment · FSG 30 — Mechanical Power Transmission Equipment · CAGE 34712
Government record, cited
NSN 3040-01-239-5390 — this item is cataloged by the U.S. Government under National Stock Number 3040-01-239-5390. Manufacturer of record part number: 2D1-393-2.
Also searched as3040-01-239-5390 ·
3040012395390 ·
NIIN 012395390 ·
01-239-5390 ·
FSC 3040 Miscellaneous Power Transmission Equipment · CAGE 34712 · 2D1-393-2
Braking Area Outside Diameter: 22.250 INCHES NOMINAL IN
1 manufacturer part number on file
Manufacturer of record: Lake Shore Systems, Inc.
Identification
NSN: 3040-01-239-5390
NIIN: 012395390
FSC: 3040 — Miscellaneous Power Transmission Equipment
FSG: 30 — Mechanical Power Transmission Equipment
Primary part number: 2D1-393-2
Manufacturer: Lake Shore Systems, Inc.
General Description
The Brake,single Disk, cataloged under National Stock Number 3040-01-239-5390, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Lake Shore Systems, Inc.. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
3040-01-239-5390
Primary Part Number
2D1-393-2
Item Name
Brake,single Disk
FSC / FSG
3040 / 30 — Miscellaneous Power Transmission Equipment
Other items in FSC 3040 — Miscellaneous Power Transmission Equipment
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
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3040-00-001-0078 · Item name not on file
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3040-00-001-0089 · Item name not on file
3040-00-001-1224
3040-00-001-1224 · Item name not on file
Frequently Asked Questions
What is NSN 3040-01-239-5390?
NSN 3040-01-239-5390 is a Brake,single Disk, manufactured by Lake Shore Systems, Inc., classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
What part numbers are listed for NSN 3040-01-239-5390?
NSN 3040-01-239-5390 has 1 manufacturer part number on file: 2D1-393-2 (Lake Shore Systems, Inc.).
What are the specifications of 2D1-393-2?
Key specifications for 2D1-393-2: Braking Area Outside Diameter: 22.250 INCHES NOMINAL IN. 1 specification is documented in the U.S. Government catalog.
Is NSN 3040-01-239-5390 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.