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NSN 3010-01-665-1070Government record, cited

Gear Assembly, Speed Decreaser3010-01-665-1070

NSN 3010-01-665-1070 · NIIN 016651070 · Part number WB1220
Martin Sprocket and Gear Co Inc · FSC 3010 — Torque Converters and Speed Changers · FSG 30 — Mechanical Power Transmission Equipment · CAGE 3M607
Government record, cited
NSN 3010-01-665-1070 — this item is cataloged by the U.S. Government under National Stock Number 3010-01-665-1070. Manufacturer of record part number: WB1220.
Also searched as  3010-01-665-1070 · 3010016651070 · NIIN 016651070 · 01-665-1070 · FSC 3010 Torque Converters and Speed Changers · CAGE 3M607 · WB1220 · 57545K231
Nearby stock numbers  ·
Features
  • Gear Assembly,speed Decreaser — FSC 3010
  • Design Type: SINGLE REDUCTION
  • Gear Type: WORM
  • Total Ratio: 20:01
  • 2 manufacturer part numbers on file
  • Manufacturer of record: Martin Sprocket and Gear Co Inc
Identification
  • NSN: 3010-01-665-1070
  • NIIN: 016651070
  • FSC: 3010 — Torque Converters and Speed Changers
  • FSG: 30 — Mechanical Power Transmission Equipment
  • Primary part number: WB1220
  • Manufacturer: Martin Sprocket and Gear Co Inc
General Description

The Gear Assembly,speed Decreaser, cataloged under National Stock Number 3010-01-665-1070, is classified within Federal Supply Class 3010 (Torque Converters and Speed Changers) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Martin Sprocket and Gear Co Inc. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3010-01-665-1070
Primary Part NumberWB1220
Item NameGear Assembly,speed Decreaser
FSC / FSG3010 / 30 — Torque Converters and Speed Changers
ManufacturerMartin Sprocket and Gear Co Inc
StatusACTIVE
Design TypeSINGLE REDUCTION
Gear TypeWORM
Total Ratio20:01
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
57545K231 Mcmaster-Carr Supply Company (USA)
WB1220 PRIMARY Martin Sprocket and Gear Co 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 3010-01-665-1070?

NSN 3010-01-665-1070 is a Gear Assembly,speed Decreaser, manufactured by Martin Sprocket and Gear Co Inc, classified under FSC 3010, Torque Converters and Speed Changers. Status: active.

What part numbers are listed for NSN 3010-01-665-1070?

NSN 3010-01-665-1070 has 2 manufacturer part numbers on file: 57545K231 (Mcmaster-Carr Supply Company), WB1220 (Martin Sprocket and Gear Co Inc).

What are the specifications of WB1220?

Key specifications for WB1220: Design Type: SINGLE REDUCTION; Gear Type: WORM; Total Ratio: 20:01; Special Features: 20.0 TEETH, MATERIAL BRONZE, OD 1.870 INCH, BORE TYPE PLA IN. 3 specifications are documented in the U.S. Government catalog.

Is NSN 3010-01-665-1070 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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