PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

827-867-021Gear,spur

Dresser, Inc. Dba Dresser Roots Blowers & Compressors Div Dresser Roots · NSN 3020-00-064-5810 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-064-5810 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-064-5810. Primary manufacturer part number: 827-867-021.
Features
  • Gear,spur — FSC 3020
  • Attachment Method: MOUNTING HOLE
  • Teeth Quantity: 50
  • Hub Style Designator: PINNED FIRST END
  • Bore Nominal Diameter: 0.588 INCHES BOTH ENDS IN
  • Style Designator: PROTRUDING HUB
  • Tooth Form: STANDARD
  • Mounting Hole Nominal Diameter: 0.257 INCHES AXIALLY THROUGH BODY FIRST END IN
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Iron Overall construction
General Description

The Gear,spur, cataloged under National Stock Number 3020-00-064-5810, 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, Inc. Dba Dresser Roots Blowers & Compressors Div Dresser Roots. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references 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
NSN3020-00-064-5810
Primary Part Number827-867-021
Item NameGear,spur
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerDresser, Inc. Dba Dresser Roots Blowers & Compressors Div Dresser Roots
StatusACTIVE
Attachment MethodMOUNTING HOLE
Teeth Quantity50
Hub Style DesignatorPINNED FIRST END
Bore Nominal Diameter0.588 INCHES BOTH ENDS IN
Style DesignatorPROTRUDING HUB
Tooth FormSTANDARD
Mounting Hole Nominal Diameter0.257 INCHES AXIALLY THROUGH BODY FIRST END IN
Bore StylePLAIN BOTH ENDS
Hub Nominal Diameter1.250 INCHES FIRST END IN
MaterialIRON OVERALL
Mounting Hole Type and Quantity2 PLAIN AXIALLY THROUGH BODY FIRST END
Nominal Outside Diameter2.600 INCHES IN
Nominal Distance Between Body Face and Protruding Hub End0.875 INCHES FIRST END IN
Pitch Diameter2.5000 INCHES NOMINAL IN
Bolt Hole Circle Nominal Diameter1.812 INCHES AXIALLY THROUGH BODY FIRST END IN
Pressure Angle20.0000 DEGREES
Face Nominal Width0.375 INCHES IN
Body StylePLAIN, SOLID
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5306-00-151-3328 INTERCHANGEABLE
Bolt,clevis
5950-00-676-0927677-6003-000 INTERCHANGEABLE
Transformer,audio Frequency
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
5905-00-734-453627867 INTERCHANGEABLE
Resistor Network,fixed,film
Emcore Corporation Div Concord Division
5950-01-037-6900 INTERCHANGEABLE
Coil,radio Frequency
3040-01-247-091426382 INTERCHANGEABLE
Piston,linear Actuating Cylinder
Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems
2520-01-358-1941278/65 INTERCHANGEABLE
Axle Assembly,automotive,driving
Dana Off Highway Products, Llc
Cross-Reference Index
Part NumberManufacturer
827-864-021 Dresser, Inc. Dba Dresser Roots Blowers & Compressors Div Dresser Roots (USA)
27865 Dresser, Inc. Dba Dresser Roots Blowers & Compressors Div Dresser Roots (USA)
827-867-021 PRIMARY Dresser, Inc. Dba Dresser Roots Blowers & Compressors Div Dresser Roots (USA)
24087DPC23 Dresser, Inc. Dba Dresser Roots Blowers & Compressors Div Dresser Roots (USA)
27867 Dresser, Inc. Dba Dresser Roots Blowers & Compressors Div Dresser Roots (USA)
Related Parts
5306-00-151-3328INTERCHANGEABLE
BOLT,CLEVIS
5950-00-676-0927INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
677-6003-000
5905-00-734-4536INTERCHANGEABLE
RESISTOR NETWORK,FIXED,FILM
27867
5950-01-037-6900INTERCHANGEABLE
COIL,RADIO FREQUENCY
3040-01-247-0914INTERCHANGEABLE
PISTON,LINEAR ACTUATING CYLINDER
26382
2520-01-358-1941INTERCHANGEABLE
AXLE ASSEMBLY,AUTOMOTIVE,DRIVING
278/65

Frequently Asked Questions

What is NSN 3020-00-064-5810?

NSN 3020-00-064-5810 is a Gear,spur, manufactured by Dresser, Inc. Dba Dresser Roots Blowers & Compressors Div Dresser Roots, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-00-064-5810?

NSN 3020-00-064-5810 has 5 cross-referenced part numbers: 827-864-021 (Dresser, Inc. Dba Dresser Roots Blowers & Compressors Div Dresser Roots), 27865 (Dresser, Inc. Dba Dresser Roots Blowers & Compressors Div Dresser Roots), 827-867-021 (Dresser, Inc. Dba Dresser Roots Blowers & Compressors Div Dresser Roots), 24087DPC23 (Dresser, Inc. Dba Dresser Roots Blowers & Compressors Div Dresser Roots), 27867 (Dresser, Inc. Dba Dresser Roots Blowers & Compressors Div Dresser Roots).

What NSN replaces 3020-00-064-5810?

There are 6 known substitutes for 3020-00-064-5810: 5306-00-151-3328, 5950-00-676-0927, 5905-00-734-4536 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 827-867-021?

Key specifications for 827-867-021: Attachment Method: MOUNTING HOLE; Teeth Quantity: 50; Hub Style Designator: PINNED FIRST END; Bore Nominal Diameter: 0.588 INCHES BOTH ENDS IN. 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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