PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1817Gear,helical

Struthers Wells Corp · NSN 3020-00-517-3293 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-517-3293 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-517-3293. Primary manufacturer part number: 1817.
Features
  • Gear,helical — FSC 3020
  • Pitch Diameter: 13.3800 INCHES NOMINAL IN
  • Tooth Direction: LEFT
  • Teeth Quantity: 19
  • Material: STEEL OVERALL
  • Nominal Outside Diameter: 14.5230 INCHES IN
  • Nominal Distance Between Body Face and Protruding Hub End: 0.750 INCHES BOTH ENDS IN
  • Pressure Angle: 20.0000 DEGREES
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Steel Overall construction
General Description

The Gear,helical, cataloged under National Stock Number 3020-00-517-3293, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Struthers Wells Corp. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-00-517-3293
Primary Part Number1817
Item NameGear,helical
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerStruthers Wells Corp
StatusACTIVE
Pitch Diameter13.3800 INCHES NOMINAL IN
Tooth DirectionLEFT
Teeth Quantity19
MaterialSTEEL OVERALL
Nominal Outside Diameter14.5230 INCHES IN
Nominal Distance Between Body Face and Protruding Hub End0.750 INCHES BOTH ENDS IN
Pressure Angle20.0000 DEGREES
Hub Style DesignatorPLAIN BOTH ENDS
Face Nominal Width10.500 INCHES IN
Style DesignatorPROTRUDING HUBS
Material Document and ClassificationMIL-S-890,ALLOY NO. 2 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
Nominal Overall Length12.000 INCHES IN
Teeth TypeSINGLE HELIX
Body StylePLAIN, SOLID
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4820-00-036-1745005-101-0010 INTERCHANGEABLE
Disk,valve
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
1650-00-166-6242181-7 INTERCHANGEABLE
Block,universal Pum
Ontic Engineering & Manufacturing, Inc Dba Ontic Us
5120-00-189-7928 INTERCHANGEABLE
Socket,socket Wrench
6505-00-299-94951817 INTERCHANGEABLE
Niacin Tablets
Natures Bounty Inc
4730-00-625-423751224 INTERCHANGEABLE
Support,special Pad
Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution
4820-00-630-38121817 INTERCHANGEABLE
Body,valve
Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division
5910-00-644-374310322134A INTERCHANGEABLE
Capacitor,fixed,electrolytic
Us Army Aviation and Missile Command
5950-00-648-1033SGM9 INTERCHANGEABLE
Transformer,radio Frequency
Bogen Communications Inc
6685-00-814-5695130415 INTERCHANGEABLE
Gage,pressure,dial Indicating
Ametek, Inc. Div Aerospace & Defense
4460-00-991-20971817 INTERCHANGEABLE
Filter,air,electrostatic
Supreme Supply Co Inc Dba Supreme Supply Co Inc
Cross-Reference Index
Part NumberManufacturer
1817 PRIMARY Struthers Wells Corp (USA)
314695PC2217 Naval Ship Systems Command (USA)
Related Parts
4820-00-036-1745INTERCHANGEABLE
DISK,VALVE
005-101-0010
1650-00-166-6242INTERCHANGEABLE
BLOCK,UNIVERSAL PUM
181-7
5120-00-189-7928INTERCHANGEABLE
SOCKET,SOCKET WRENCH
6505-00-299-9495INTERCHANGEABLE
NIACIN TABLETS
1817
4730-00-625-4237INTERCHANGEABLE
SUPPORT,SPECIAL PAD
51224
4820-00-630-3812INTERCHANGEABLE
BODY,VALVE
1817
5910-00-644-3743INTERCHANGEABLE
CAPACITOR,FIXED,ELECTROLYTIC
10322134A
5950-00-648-1033INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
SGM9
6685-00-814-5695INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
130415
4460-00-991-2097INTERCHANGEABLE
FILTER,AIR,ELECTROSTATIC
1817
4310-01-178-5715INTERCHANGEABLE
VACUUM PUMP UNIT,ROTARY
6130-01-301-6129INTERCHANGEABLE
POWER SUPPLY
163901034

Frequently Asked Questions

What is NSN 3020-00-517-3293?

NSN 3020-00-517-3293 is a Gear,helical, manufactured by Struthers Wells Corp, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-00-517-3293?

NSN 3020-00-517-3293 has 2 cross-referenced part numbers: 1817 (Struthers Wells Corp), 314695PC2217 (Naval Ship Systems Command).

What NSN replaces 3020-00-517-3293?

There are 12 known substitutes for 3020-00-517-3293: 4820-00-036-1745, 1650-00-166-6242, 5120-00-189-7928 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1817?

Key specifications for 1817: Pitch Diameter: 13.3800 INCHES NOMINAL IN; Tooth Direction: LEFT; Teeth Quantity: 19; Material: STEEL OVERALL. 14 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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