PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

8855Gear,spur

Hydro-Aire Aerospace Corp · NSN 3020-00-390-8081 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-390-8081 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-390-8081. Primary manufacturer part number: 8855.
Features
  • Gear,spur — FSC 3020
  • Material: COPPER ALLOY OVERALL
  • Tooth Form: STANDARD
  • Nominal Outside Diameter: 0.375 INCHES IN
  • Bore Style: PLAIN BOTH ENDS
  • Pitch Diameter: 0.3430 INCHES NOMINAL IN
  • Pressure Angle: 14.5000 DEGREES
  • Face Nominal Width: 0.052 INCHES IN
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Copper Alloy Overall construction
General Description

The Gear,spur, cataloged under National Stock Number 3020-00-390-8081, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Hydro-Aire Aerospace Corp. Government technical data includes 12 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. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-00-390-8081
Primary Part Number8855
Item NameGear,spur
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerHydro-Aire Aerospace Corp
StatusACTIVE
MaterialCOPPER ALLOY OVERALL
Tooth FormSTANDARD
Nominal Outside Diameter0.375 INCHES IN
Bore StylePLAIN BOTH ENDS
Pitch Diameter0.3430 INCHES NOMINAL IN
Pressure Angle14.5000 DEGREES
Face Nominal Width0.052 INCHES IN
Bore Nominal Diameter0.156 INCHES BOTH ENDS IN
Style DesignatorHUBLESS
Material Document and ClassificationQQ-B-666,GRADE B FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Body StylePLAIN, SOLID
Teeth Quantity22
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5935-00-080-4183 INTERCHANGEABLE
Connector,plug,electrical
5960-00-104-27408855 INTERCHANGEABLE
Electron Tube
Cpi Electron Device Business, Inc.
5935-00-201-8855SM-B-679389 INTERCHANGEABLE
Connector Assembly,electrical
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5935-00-768-3417025B1600 INTERCHANGEABLE
Connector,plug,electrical
Lax Electronics, Inc. Dba Automatic Connector Div Automatic Connector
5960-00-869-3994 INTERCHANGEABLE
Electron Tube
6525-01-565-9161 INTERCHANGEABLE
Cassette,radiographic Film
Cross-Reference Index
Part NumberManufacturer
8855 PRIMARY Hydro-Aire Aerospace Corp (USA)
Related Parts
5935-00-080-4183INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
5960-00-104-2740INTERCHANGEABLE
ELECTRON TUBE
8855
5935-00-201-8855INTERCHANGEABLE
CONNECTOR ASSEMBLY,ELECTRICAL
SM-B-679389
5935-00-768-3417INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
025B1600
5960-00-869-3994INTERCHANGEABLE
ELECTRON TUBE
6525-01-565-9161INTERCHANGEABLE
CASSETTE,RADIOGRAPHIC FILM

Frequently Asked Questions

What is NSN 3020-00-390-8081?

NSN 3020-00-390-8081 is a Gear,spur, manufactured by Hydro-Aire Aerospace Corp, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-00-390-8081?

NSN 3020-00-390-8081 has 1 cross-referenced part number: 8855 (Hydro-Aire Aerospace Corp).

What NSN replaces 3020-00-390-8081?

There are 6 known substitutes for 3020-00-390-8081: 5935-00-080-4183, 5960-00-104-2740, 5935-00-201-8855 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 8855?

Key specifications for 8855: Material: COPPER ALLOY OVERALL; Tooth Form: STANDARD; Nominal Outside Diameter: 0.375 INCHES IN; Bore Style: PLAIN BOTH ENDS. 12 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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