PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

102637Gear,spur

L3harris Technologies, Inc Div Space & Airborne Systems · NSN 3020-00-087-5695 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-087-5695 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-087-5695. Primary manufacturer part number: 102637.
Features
  • Gear,spur — FSC 3020
  • Material Document and Classification: MIL-S-5000 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Body Style: PLAIN, SOLID
  • Spline Quantity: 17 BOTH ENDS
  • Pressure Angle: 20.0000 DEGREES
  • Teeth Quantity: 22
  • Tooth Form: STANDARD
  • Precision Classification: QUALITY NUMBER 9
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Steel Comp E4340 Overall construction
General Description

The Gear,spur, cataloged under National Stock Number 3020-00-087-5695, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is L3harris Technologies, Inc Div Space & Airborne Systems. Government technical data includes 18 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
NSN3020-00-087-5695
Primary Part Number102637
Item NameGear,spur
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerL3harris Technologies, Inc Div Space & Airborne Systems
StatusACTIVE
Material Document and ClassificationMIL-S-5000 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
Body StylePLAIN, SOLID
Spline Quantity17 BOTH ENDS
Pressure Angle20.0000 DEGREES
Teeth Quantity22
Tooth FormSTANDARD
Precision ClassificationQUALITY NUMBER 9
Bore StyleINVOLUTE SPLINE BOTH ENDS
Style DesignatorPROTRUDING HUB
Face Nominal Width0.683 INCHES IN
Bore Nominal Diameter0.7850 INCHES BOTH ENDS IN
Spline Pitch Diameter0.7080 INCHES NOMINAL BOTH ENDS IN
Nominal Outside Diameter2.3990 INCHES IN
Nominal Distance Between Body Face and Protruding Hub End0.187 INCHES FIRST END IN
MaterialSTEEL COMP E4340 OVERALL
Hub Style DesignatorPLAIN FIRST END
Pitch Diameter2.2000 INCHES NOMINAL IN
Hub Nominal Diameter0.940 INCHES FIRST END IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5310-00-010-2637102637 INTERCHANGEABLE
Nut,plain,hexagon
Chrysler Realty Company Llc Dba Daimler Chrysler
2590-00-934-2501102637 INTERCHANGEABLE
Plunger,locking,cra
Cadillac Gage Textron Inc.
2990-01-450-3860102637 INTERCHANGEABLE
Muffler,exhaust
Atap Inc
Cross-Reference Index
Part NumberManufacturer
102637 PRIMARY L3harris Technologies, Inc Div Space & Airborne Systems (USA)
Related Parts
5310-00-010-2637INTERCHANGEABLE
NUT,PLAIN,HEXAGON
102637
2590-00-934-2501INTERCHANGEABLE
PLUNGER,LOCKING,CRA
102637
2990-01-450-3860INTERCHANGEABLE
MUFFLER,EXHAUST
102637

Frequently Asked Questions

What is NSN 3020-00-087-5695?

NSN 3020-00-087-5695 is a Gear,spur, manufactured by L3harris Technologies, Inc Div Space & Airborne Systems, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-00-087-5695?

NSN 3020-00-087-5695 has 1 cross-referenced part number: 102637 (L3harris Technologies, Inc Div Space & Airborne Systems).

What NSN replaces 3020-00-087-5695?

There are 3 known substitutes for 3020-00-087-5695: 5310-00-010-2637, 2590-00-934-2501, 2990-01-450-3860. Verify interchangeability with system specifications before substitution.

What are the specifications of 102637?

Key specifications for 102637: Material Document and Classification: MIL-S-5000 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL; Body Style: PLAIN, SOLID; Spline Quantity: 17 BOTH ENDS; Pressure Angle: 20.0000 DEGREES. 18 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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