PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

5711Gear,spur

Cummins Inc. · NSN 3020-00-428-6191 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-428-6191 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-428-6191. Primary manufacturer part number: 5711.
Features
  • Gear,spur — FSC 3020
  • Material Document and Classification: 66 FED STD SINGLE MATERIAL RESPONSE AND AISI/SAE 1050 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
  • Face Nominal Width: 0.871 INCHES IN
  • Pressure Angle: 20.0000 DEGREES
  • Bore Nominal Diameter: 18.372 INCHES BOTH ENDS IN
  • Bore Style: PLAIN BOTH ENDS
  • Nominal Outside Diameter: 19.882 INCHES IN
  • Pitch Diameter: 19.6667 INCHES NOMINAL IN
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Steel Comp 1050 Overall construction
General Description

The Gear,spur, cataloged under National Stock Number 3020-00-428-6191, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Cummins Inc.. 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-00-428-6191
Primary Part Number5711
Item NameGear,spur
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerCummins Inc.
StatusACTIVE
Material Document and Classification66 FED STD SINGLE MATERIAL RESPONSE AND AISI/SAE 1050 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Face Nominal Width0.871 INCHES IN
Pressure Angle20.0000 DEGREES
Bore Nominal Diameter18.372 INCHES BOTH ENDS IN
Bore StylePLAIN BOTH ENDS
Nominal Outside Diameter19.882 INCHES IN
Pitch Diameter19.6667 INCHES NOMINAL IN
Tooth FormSTANDARD
Style DesignatorHUBLESS
MaterialSTEEL COMP 1050 OVERALL
Body StylePLAIN, SOLID
Teeth Quantity118
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5330-00-168-5693 INTERCHANGEABLE
Gasket
4730-00-187-7570 INTERCHANGEABLE
Coupling,pipe
8345-00-242-0270 INTERCHANGEABLE
Flag,individual
8345-00-242-0271 INTERCHANGEABLE
Flag,individual
8345-00-242-0272 INTERCHANGEABLE
Flag,individual
5330-00-297-4457YB287-1020SUB7PT20 INTERCHANGEABLE
Seal,plain
Raytheon Company Div Corp
5330-00-695-117017675 INTERCHANGEABLE
Seal,plain Encased
Skf Usa Inc. Dba Skf Aerospace Sealing Solutions
6635-00-735-2813 INTERCHANGEABLE
Xray Laboratory Portable
1620-00-756-91715711 INTERCHANGEABLE
Retainer,seal Shortening
Goodrich Aerospace Canada Ltd
3770-00-951-641857-11 INTERCHANGEABLE
Collar,dog
Ray Allen Manufacturing Llc
Cross-Reference Index
Part NumberManufacturer
5711 PRIMARY Cummins Inc. (USA)
Related Parts
5330-00-168-5693INTERCHANGEABLE
GASKET
4730-00-187-7570INTERCHANGEABLE
COUPLING,PIPE
8345-00-242-0270INTERCHANGEABLE
FLAG,INDIVIDUAL
8345-00-242-0271INTERCHANGEABLE
FLAG,INDIVIDUAL
8345-00-242-0272INTERCHANGEABLE
FLAG,INDIVIDUAL
5330-00-297-4457INTERCHANGEABLE
SEAL,PLAIN
YB287-1020SUB7PT20
5330-00-695-1170INTERCHANGEABLE
SEAL,PLAIN ENCASED
17675
6635-00-735-2813INTERCHANGEABLE
XRAY LABORATORY PORTABLE
1620-00-756-9171INTERCHANGEABLE
RETAINER,SEAL SHORTENING
5711
3770-00-951-6418INTERCHANGEABLE
COLLAR,DOG
57-11
4820-01-114-6434INTERCHANGEABLE
DISK,VALVE
5711
5820-01-145-9031INTERCHANGEABLE
TUNER,RADIO FREQUENCY
57-1-1

Frequently Asked Questions

What is NSN 3020-00-428-6191?

NSN 3020-00-428-6191 is a Gear,spur, manufactured by Cummins Inc., classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-00-428-6191?

NSN 3020-00-428-6191 has 1 cross-referenced part number: 5711 (Cummins Inc.).

What NSN replaces 3020-00-428-6191?

There are 12 known substitutes for 3020-00-428-6191: 5330-00-168-5693, 4730-00-187-7570, 8345-00-242-0270 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 5711?

Key specifications for 5711: Material Document and Classification: 66 FED STD SINGLE MATERIAL RESPONSE AND AISI/SAE 1050 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Face Nominal Width: 0.871 INCHES IN; Pressure Angle: 20.0000 DEGREES; Bore Nominal Diameter: 18.372 INCHES BOTH ENDS IN. 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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