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NSN 3020-01-271-0187Government record, cited

Gear, Spur3020-01-271-0187

NSN 3020-01-271-0187 · NIIN 012710187 · Part number 2C7-1163
Lake Shore Systems, Inc. · FSC 3020 — Gears, Pulleys, Sprockets, and Transmission Chain · FSG 30 — Mechanical Power Transmission Equipment · CAGE 34712
Government record, cited
NSN 3020-01-271-0187 — this item is cataloged by the U.S. Government under National Stock Number 3020-01-271-0187. Manufacturer of record part number: 2C7-1163.
Also searched as  3020-01-271-0187 · 3020012710187 · NIIN 012710187 · 01-271-0187 · FSC 3020 Gears, Pulleys, Sprockets, and Transmission Chain · CAGE 34712 · 2C7-1163
Nearby stock numbers  ·
Features
  • Gear,spur — FSC 3020
  • Keyway Nominal Width: 1.250 INCHES BOTH ENDS IN
  • Bore Nominal Diameter: 5.000 INCHES BOTH ENDS IN
  • Teeth Quantity: 80
  • Bore Style: W/ KEYWAY BOTH ENDS
  • Style Designator: HUBLESS
  • Tooth Form: STANDARD
  • Nominal Outside Diameter: 20.500 INCHES IN
Identification
  • NSN: 3020-01-271-0187
  • NIIN: 012710187
  • FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
  • FSG: 30 — Mechanical Power Transmission Equipment
  • Primary part number: 2C7-1163
  • Manufacturer: Lake Shore Systems, Inc.
General Description

The Gear,spur, cataloged under National Stock Number 3020-01-271-0187, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Lake Shore Systems, Inc.. Government technical data includes 10 specifications, 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
ParameterValue
NSN3020-01-271-0187
Primary Part Number2C7-1163
Item NameGear,spur
FSC / FSG3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain
ManufacturerLake Shore Systems, Inc.
StatusACTIVE
Keyway Nominal Width1.250 INCHES BOTH ENDS IN
Bore Nominal Diameter5.000 INCHES BOTH ENDS IN
Teeth Quantity80
Bore StyleW/ KEYWAY BOTH ENDS
Style DesignatorHUBLESS
Tooth FormSTANDARD
Nominal Outside Diameter20.500 INCHES IN
Nominal Distance From Bore Center to Keyway Bottom3.125 INCHES BOTH ENDS IN
MaterialSTEEL OVERALL
Face Nominal Width2.500 INCHES IN
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
Cross-Reference Index
Part NumberManufacturer
2C7-1163 PRIMARY Lake Shore Systems, Inc. (USA)
No interchangeability data on file.
Other items in FSC 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
3020-00-000-0091
GEAR,SPUR
3020-00-001-0027
3020-00-001-0027 · Item name not on file
3020-00-001-0028
3020-00-001-0028 · Item name not on file
3020-00-001-0063
3020-00-001-0063 · Item name not on file
3020-00-001-0064
3020-00-001-0064 · Item name not on file
3020-00-001-0066
3020-00-001-0066 · Item name not on file
3020-00-001-0071
3020-00-001-0071 · Item name not on file
3020-00-001-0072
3020-00-001-0072 · Item name not on file

Frequently Asked Questions

What is NSN 3020-01-271-0187?

NSN 3020-01-271-0187 is a Gear,spur, manufactured by Lake Shore Systems, Inc., classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.

What part numbers are listed for NSN 3020-01-271-0187?

NSN 3020-01-271-0187 has 1 manufacturer part number on file: 2C7-1163 (Lake Shore Systems, Inc.).

What are the specifications of 2C7-1163?

Key specifications for 2C7-1163: Keyway Nominal Width: 1.250 INCHES BOTH ENDS IN; Bore Nominal Diameter: 5.000 INCHES BOTH ENDS IN; Teeth Quantity: 80; Bore Style: W/ KEYWAY BOTH ENDS. 10 specifications are documented in the U.S. Government catalog.

Is NSN 3020-01-271-0187 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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