PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

42636Gear,spur

Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems · NSN 3020-00-867-2560 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-867-2560 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-867-2560. Primary manufacturer part number: 42636.
Features
  • Gear,spur — FSC 3020
  • Tooth Form: STANDARD
  • Pressure Angle: 20.0000 DEGREES
  • Body Style: PLAIN, SOLID
  • Nominal Outside Diameter: 0.850 INCHES IN
  • Teeth Quantity: 100
  • Nominal Distance Between Body Face and Protruding Hub End: 0.156 INCHES FIRST END IN
  • Hub Style Designator: 1 STEP SECOND END
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Steel Corrosion Resisting Overall construction
General Description

The Gear,spur, cataloged under National Stock Number 3020-00-867-2560, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems. Government technical data includes 22 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-00-867-2560
Primary Part Number42636
Item NameGear,spur
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerUndersea Sensor Systems Inc Div Ultra Sonobuoy Systems
StatusACTIVE
Tooth FormSTANDARD
Pressure Angle20.0000 DEGREES
Body StylePLAIN, SOLID
Nominal Outside Diameter0.850 INCHES IN
Teeth Quantity100
Nominal Distance Between Body Face and Protruding Hub End0.156 INCHES FIRST END IN
Hub Style Designator1 STEP SECOND END
First Step Nominal Length0.016 INCHES SECOND END IN
Style DesignatorPROTRUDING HUBS
Face Nominal Width0.047 INCHES IN
First Step Nominal Diameter0.015 INCHES SECOND END IN
First Step Nominal Length0.031 INCHES FIRST END IN
Hub Style Designator2 STEPS FIRST END
Second Step Nominal Length0.047 INCHES FIRST END IN
End Nominal Length0.078 INCHES BOTH ENDS IN
Pitch Diameter0.8333 INCHES NOMINAL IN
MaterialSTEEL CORROSION RESISTING OVERALL
Surface TreatmentPASSIVATE OVERALL
End Nominal Diameter0.540 INCHES BOTH ENDS IN
Nominal Distance Between Body Face and Protruding Hub End0.094 INCHES SECOND END IN
Second Step Nominal Diameter0.187 INCHES FIRST END IN
First Step Nominal Diameter0.031 INCHES FIRST END IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
4710-01-033-9391 INTERCHANGEABLE
Tube Assembly,metal
5962-01-203-863942636 INTERCHANGEABLE
Microcircuit,memory
Raytheon Company Div Rmd Strategic
2940-01-218-470342636 INTERCHANGEABLE
Filter Element,intake Air Cleane
Wix Corp
Cross-Reference Index
Part NumberManufacturer
42636 PRIMARY Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems (USA)
Related Parts
4710-01-033-9391INTERCHANGEABLE
TUBE ASSEMBLY,METAL
5962-01-203-8639INTERCHANGEABLE
MICROCIRCUIT,MEMORY
42636
2940-01-218-4703INTERCHANGEABLE
FILTER ELEMENT,INTAKE AIR CLEANE
42636

Frequently Asked Questions

What is NSN 3020-00-867-2560?

NSN 3020-00-867-2560 is a Gear,spur, manufactured by Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-00-867-2560?

NSN 3020-00-867-2560 has 1 cross-referenced part number: 42636 (Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems).

What NSN replaces 3020-00-867-2560?

There are 3 known substitutes for 3020-00-867-2560: 4710-01-033-9391, 5962-01-203-8639, 2940-01-218-4703. Verify interchangeability with system specifications before substitution.

What are the specifications of 42636?

Key specifications for 42636: Tooth Form: STANDARD; Pressure Angle: 20.0000 DEGREES; Body Style: PLAIN, SOLID; Nominal Outside Diameter: 0.850 INCHES IN. 22 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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