PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

31475Gear,spur

Allied Systems Company Dba Allied Systems Co · NSN 3020-01-399-7407 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-01-399-7407 — this item is cataloged by the U.S. Government under National Stock Number 3020-01-399-7407. Primary manufacturer part number: 31475.
Features
  • Gear,spur — FSC 3020
  • Pitch Diameter: 6.0000 INCHES NOMINAL IN
  • Bore Style: W/COUNTERBORE COUNTERBORE FIRST END
  • Style Designator: HUBLESS
  • Nominal Outside Diameter: 6.667 INCHES IN
  • Pressure Angle: 20.0000 DEGREES
  • Body Style: PLAIN, SOLID
  • Teeth Quantity: 18
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
General Description

The Gear,spur, cataloged under National Stock Number 3020-01-399-7407, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Allied Systems Company Dba Allied Systems Co. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-01-399-7407
Primary Part Number31475
Item NameGear,spur
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerAllied Systems Company Dba Allied Systems Co
StatusACTIVE
Pitch Diameter6.0000 INCHES NOMINAL IN
Bore StyleW/COUNTERBORE COUNTERBORE FIRST END
Style DesignatorHUBLESS
Nominal Outside Diameter6.667 INCHES IN
Pressure Angle20.0000 DEGREES
Body StylePLAIN, SOLID
Teeth Quantity18
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
2805-00-354-643931-475 INTERCHANGEABLE
Rotor,engine Poppet Valve
Dresser Industries Inc Leroi Div
6140-01-031-6881SAE-J537-31-475 INTERCHANGEABLE
Battery,storage
Sae International Dba Sae International
2940-01-037-932931475 INTERCHANGEABLE
Body,throttle,adjustment
Gardner Denver Water Jetting Systems, Inc. Div Engineered Package Group
5310-01-150-501031474 INTERCHANGEABLE
Washer,flat
Barnes Group Inc. Dba Barnes Distribution
6515-01-514-278131475 INTERCHANGEABLE
Gloves,surgeons'
Molnlycke Health Care Us, Llc Dba Molnlycke Health Care Us Div Molnlycke Health Care
Cross-Reference Index
Part NumberManufacturer
31475 PRIMARY Allied Systems Company Dba Allied Systems Co (USA)
Related Parts
2805-00-354-6439INTERCHANGEABLE
ROTOR,ENGINE POPPET VALVE
31-475
6140-01-031-6881INTERCHANGEABLE
BATTERY,STORAGE
SAE-J537-31-475
2940-01-037-9329INTERCHANGEABLE
BODY,THROTTLE,ADJUSTMENT
31475
5310-01-150-5010INTERCHANGEABLE
WASHER,FLAT
31474
6515-01-514-2781INTERCHANGEABLE
GLOVES,SURGEONS'
31475

Frequently Asked Questions

What is NSN 3020-01-399-7407?

NSN 3020-01-399-7407 is a Gear,spur, manufactured by Allied Systems Company Dba Allied Systems Co, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-01-399-7407?

NSN 3020-01-399-7407 has 1 cross-referenced part number: 31475 (Allied Systems Company Dba Allied Systems Co).

What NSN replaces 3020-01-399-7407?

There are 5 known substitutes for 3020-01-399-7407: 2805-00-354-6439, 6140-01-031-6881, 2940-01-037-9329 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 31475?

Key specifications for 31475: Pitch Diameter: 6.0000 INCHES NOMINAL IN; Special Features: PART OF DAVIT CRANE SWING DRIVE,P/N 31228; Bore Style: W/COUNTERBORE COUNTERBORE FIRST END; Style Designator: HUBLESS. 8 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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