Gear Assembly, Speed Decreaser3010-01-266-0553

NSN 3010-01-266-0553 · NIIN 012660553 · Part number 2D3-978-1

Lake Shore Systems, Inc. · FSC 3010 — Torque Converters and Speed Changers · FSG 30 — Mechanical Power Transmission Equipment · CAGE 34712

Government record, cited

NSN 3010-01-266-0553 — this item is cataloged by the U.S. Government under National Stock Number 3010-01-266-0553. Manufacturer of record part number: 2D3-978-1.

Also searched as 3010-01-266-0553 · 3010012660553 · NIIN 012660553 · 01-266-0553 · FSC 3010 Torque Converters and Speed Changers · CAGE 34712 · 2D3-978-1

Nearby stock numbers ← 3010-01-265-8590 · 3010-01-266-0780 →

Features

Gear Assembly,speed Decreaser — FSC 3010
1 manufacturer part number on file
Manufacturer of record: Lake Shore Systems, Inc.

Identification

NSN: 3010-01-266-0553
NIIN: 012660553
FSC: 3010 — Torque Converters and Speed Changers
FSG: 30 — Mechanical Power Transmission Equipment
Primary part number: 2D3-978-1
Manufacturer: Lake Shore Systems, Inc.

General Description

The Gear Assembly,speed Decreaser, cataloged under National Stock Number 3010-01-266-0553, is classified within Federal Supply Class 3010 (Torque Converters and Speed Changers) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Lake Shore Systems, Inc.. 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	3010-01-266-0553
Primary Part Number	2D3-978-1
Item Name	Gear Assembly,speed Decreaser
FSC / FSG	3010 / 30 — Torque Converters and Speed Changers
Manufacturer	Lake Shore Systems, Inc.
Status	ACTIVE

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL A — No Demilitarization Required
Hazard	No hazard code in the DLA record (HMIC N)
Criticality Code	X

Cross-Reference Index

Part Number	Manufacturer
2D3-978-1 PRIMARY	Lake Shore Systems, Inc. (USA)

No interchangeability data on file.

Other items in FSC 3010 — Torque Converters and Speed Changers

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

3010-00-001-0013

3010-00-001-0013 · Item name not on file

3010-00-001-0067

3010-00-001-0067 · Item name not on file

3010-00-001-0069

3010-00-001-0069 · Item name not on file

3010-00-001-0095

3010-00-001-0095 · Item name not on file

3010-00-001-1239

3010-00-001-1239 · Item name not on file

3010-00-001-1689

3010-00-001-1689 · Item name not on file

3010-00-001-2168

3010-00-001-2168 · Item name not on file

3010-00-001-2173

3010-00-001-2173 · Item name not on file

Frequently Asked Questions

What is NSN 3010-01-266-0553?

NSN 3010-01-266-0553 is a Gear Assembly,speed Decreaser, manufactured by Lake Shore Systems, Inc., classified under FSC 3010, Torque Converters and Speed Changers. Status: active.

What part numbers are listed for NSN 3010-01-266-0553?

NSN 3010-01-266-0553 has 1 manufacturer part number on file: 2D3-978-1 (Lake Shore Systems, Inc.).

What are the specifications of 2D3-978-1?

Key specifications for 2D3-978-1: End Item Identification: GEAR REDUCER ASSY TYPE 4,RED FIXED DISPLAY. 0 specifications are documented in the U.S. Government catalog.

Is NSN 3010-01-266-0553 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.

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