PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

9-90884Gear,bevel

The Boeing Company Div Defense · NSN 3020-00-342-6611 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-342-6611 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-342-6611. Primary manufacturer part number: 9-90884.
Features
  • Gear,bevel — FSC 3020
  • Nominal Distance Between Body Face and Protruding Hub End: 1.4700 INCHES SECOND END IN
  • Hub Style Designator: PLAIN SECOND END
  • Pitch Angle: 45.0000 DEGREES
  • Spline Pitch Diameter: 0.6000 INCHES NOMINAL BOTH ENDS IN
  • Material: STEEL COMP 8615 OVERALL
  • Face Nominal Width: 0.2500 INCHES IN
  • Pitch Diameter: 1.3750 INCHES NOMINAL IN
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Steel Comp 8615 Overall construction
General Description

The Gear,bevel, cataloged under National Stock Number 3020-00-342-6611, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is The Boeing Company Div Defense. Government technical data includes 20 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-00-342-6611
Primary Part Number9-90884
Item NameGear,bevel
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerThe Boeing Company Div Defense
StatusACTIVE
Nominal Distance Between Body Face and Protruding Hub End1.4700 INCHES SECOND END IN
Hub Style DesignatorPLAIN SECOND END
Pitch Angle45.0000 DEGREES
Spline Pitch Diameter0.6000 INCHES NOMINAL BOTH ENDS IN
MaterialSTEEL COMP 8615 OVERALL
Face Nominal Width0.2500 INCHES IN
Pitch Diameter1.3750 INCHES NOMINAL IN
Body StylePLAIN, SOLID
Hardness Rating78.0 ROCKWELL A MINIMUM AND 81.0 ROCKWELL A MAXIMUM TEETH
Spline Quantity12 BOTH ENDS
Bore StyleINVOLUTE SPLINE BOTH ENDS
Teeth Quantity22
Pressure Angle20.0000 DEGREES
Nominal Outside Diameter1.4605 INCHES IN
Teeth TypeSTRAIGHT
Style DesignatorPERIPHERAL FACE, BACK HUB PROTRUDING
Hub Nominal Diameter1.9380 INCHES SECOND END IN
Nominal Overall Length1.8720 INCHES IN
Material Document and Classification66 FED STD SINGLE MATERIAL RESPONSE OVERALL
Bore Nominal Diameter0.650 INCHES BOTH ENDS IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
6515-01-243-453123-1131C INTERCHANGEABLE
Curette,bone
Aspen Surgical Products, Inc.
Cross-Reference Index
Part NumberManufacturer
9-90884 PRIMARY The Boeing Company Div Defense (USA)
Related Parts
6515-01-243-4531INTERCHANGEABLE
CURETTE,BONE
23-1131C

Frequently Asked Questions

What is NSN 3020-00-342-6611?

NSN 3020-00-342-6611 is a Gear,bevel, manufactured by The Boeing Company Div Defense, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-00-342-6611?

NSN 3020-00-342-6611 has 1 cross-referenced part number: 9-90884 (The Boeing Company Div Defense).

What NSN replaces 3020-00-342-6611?

There is 1 known substitute for 3020-00-342-6611: 6515-01-243-4531. Verify interchangeability with system specifications before substitution.

What are the specifications of 9-90884?

Key specifications for 9-90884: Special Features: COUNTERBORE ON FIRST END,1.750 IN. DIA,0.540 IN. DEEP; BORE MINOR DIA 1.553 IN. IN; Nominal Distance Between Body Face and Protruding Hub End: 1.4700 INCHES SECOND END IN; Hub Style Designator: PLAIN SECOND END; Pitch Angle: 45.0000 DEGREES. 21 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com