The Gear Assembly,speed Decreaser, cataloged under National Stock Number 3010-01-411-4873, is classified within Federal Supply Class 3010 (Torque Converters and Speed Changers) of the Mechanical Power Transmission Equipment group. Government technical data includes 6 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
3010-01-411-4873
Item Name
Gear Assembly,speed Decreaser
FSC / FSG
3010 / 30 — Torque Converters and Speed Changers
Status
ACTIVE
Design Type
SINGLE REDUCTION
Gear Type
SPUR
Lubrication System
OIL BATH
Total Ratio
4.170 TO 1
Output Shaft Type
STRAIGHT W/KEYWAY
Output Shaft Quantity
1
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
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
S1C566S4
3/9Design control — primary reference
Kraft Fluid Systems, Inc.
S1C566S4
5/9Secondary reference
Fairfield Manufacturing Company, Inc. Dba Dana Fairfield
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 3010-01-411-4873?
NSN 3010-01-411-4873 is a Gear Assembly,speed Decreaser, classified under FSC 3010, Torque Converters and Speed Changers. Status: active.
What are the specifications of 3010-01-411-4873?
Key specifications for 3010-01-411-4873: Design Type: SINGLE REDUCTION; Gear Type: SPUR; Lubrication System: OIL BATH; Total Ratio: 4.170 TO 1. 6 specifications are documented in the U.S. Government catalog.
Is NSN 3010-01-411-4873 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.