PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

13535Gear,helical

Dresser Industries Inc · NSN 3020-00-810-2875 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-810-2875 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-810-2875. Primary manufacturer part number: 13535.
Features
  • Gear,helical — FSC 3020
  • Body Style: PLAIN, SOLID
  • Teeth Quantity: 11
  • Teeth Type: DOUBLE HELIX, SOLID
  • Pressure Angle: 30.0000 DEGREES
  • Tooth Form: SPECIAL
  • Face Nominal Width: 1.125 INCHES IN
  • Material: STEEL OVERALL
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 3020-00-810-2875, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Dresser Industries Inc. Government technical data includes 15 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. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-00-810-2875
Primary Part Number13535
Item NameGear,helical
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerDresser Industries Inc
StatusACTIVE
Body StylePLAIN, SOLID
Teeth Quantity11
Teeth TypeDOUBLE HELIX, SOLID
Pressure Angle30.0000 DEGREES
Tooth FormSPECIAL
Face Nominal Width1.125 INCHES IN
MaterialSTEEL OVERALL
Pitch Diameter2.0000 INCHES NOMINAL IN
Bore StyleW/ KEYWAY BOTH ENDS
Nominal Distance From Bore Center to Keyway Bottom0.469 INCHES BOTH ENDS IN
Keyway Nominal Width0.250 INCHES BOTH ENDS IN
Helix Angle55.0000 DEGREES
Style DesignatorHUBLESS
Bore Nominal Diameter0.750 INCHES BOTH ENDS IN
Nominal Outside Diameter2.3636 INCHES IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
6685-00-242-222311F INTERCHANGEABLE
Thermometer,self-Indicating
American Society for Testing and Materials Dba Astm International
1660-00-485-3099 INTERCHANGEABLE
Retainer-Spring---a
4820-01-043-176113535 INTERCHANGEABLE
Valve,linear,directional Control
Calgon Carbon Uv Technologies Llc Dba Hyde Marine
5962-01-073-8914CD4503BF3 INTERCHANGEABLE
Microcircuit,digital
Renesas Electronics America Inc
3040-01-226-7585 INTERCHANGEABLE
Shaft,rev.clutch Gr
6240-01-344-948348C11/W/4M/SS/120V INTERCHANGEABLE
Lamp,incandescent
Gte Products Corp Sylvania Miniature Lighting Div
4030-01-356-767513535 INTERCHANGEABLE
Hook,slip
Trimble Military and Advanced Systems, Inc. Dba Trimble Navigation
Cross-Reference Index
Part NumberManufacturer
13535 Dresser Industries Inc (USA)
13535 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
Related Parts
6685-00-242-2223INTERCHANGEABLE
THERMOMETER,SELF-INDICATING
11F
1660-00-485-3099INTERCHANGEABLE
RETAINER-SPRING---A
4820-01-043-1761INTERCHANGEABLE
VALVE,LINEAR,DIRECTIONAL CONTROL
13535
5962-01-073-8914INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
CD4503BF3
3040-01-226-7585INTERCHANGEABLE
SHAFT,REV.CLUTCH GR
6240-01-344-9483INTERCHANGEABLE
LAMP,INCANDESCENT
48C11/W/4M/SS/120V
4030-01-356-7675INTERCHANGEABLE
HOOK,SLIP
13535

Frequently Asked Questions

What is NSN 3020-00-810-2875?

NSN 3020-00-810-2875 is a Gear,helical, manufactured by Dresser Industries Inc, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-00-810-2875?

NSN 3020-00-810-2875 has 2 cross-referenced part numbers: 13535 (Dresser Industries Inc), 13535 (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging).

What NSN replaces 3020-00-810-2875?

There are 7 known substitutes for 3020-00-810-2875: 6685-00-242-2223, 1660-00-485-3099, 4820-01-043-1761 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 13535?

Key specifications for 13535: Body Style: PLAIN, SOLID; Teeth Quantity: 11; Teeth Type: DOUBLE HELIX, SOLID; Pressure Angle: 30.0000 DEGREES. 16 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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