PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

5190301Gear,spur

General Dynamics Defense Systems Inc. Dba General Dynamics Advanced Information Systems · NSN 3020-01-322-1003 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-01-322-1003 — this item is cataloged by the U.S. Government under National Stock Number 3020-01-322-1003. Primary manufacturer part number: 5190301.
Features
  • Gear,spur — FSC 3020
  • Pitch Diameter: 10.0000 INCHES NOMINAL IN
  • Style Designator: ONE PROTRUDING HUB, ONE FLUSH HUB
  • Surface Treatment: PHOSPHATE OVERALL
  • Hub Style Designator: PLAIN BOTH ENDS
  • Nominal Distance From Bore Center to Keyway Bottom: 2.218 INCHES BOTH ENDS IN
  • Bore Nominal Diameter: 2.312 INCHES BOTH ENDS IN
  • Hub Nominal Diameter: 3.360 INCHES BOTH ENDS IN
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Steel Comp 8620 Overall construction
General Description

The Gear,spur, cataloged under National Stock Number 3020-01-322-1003, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is General Dynamics Defense Systems Inc. Dba General Dynamics Advanced Information Systems. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-01-322-1003
Primary Part Number5190301
Item NameGear,spur
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerGeneral Dynamics Defense Systems Inc. Dba General Dynamics Advanced Information Systems
StatusACTIVE
Pitch Diameter10.0000 INCHES NOMINAL IN
Style DesignatorONE PROTRUDING HUB, ONE FLUSH HUB
Surface TreatmentPHOSPHATE OVERALL
Hub Style DesignatorPLAIN BOTH ENDS
Nominal Distance From Bore Center to Keyway Bottom2.218 INCHES BOTH ENDS IN
Bore Nominal Diameter2.312 INCHES BOTH ENDS IN
Hub Nominal Diameter3.360 INCHES BOTH ENDS IN
Face Nominal Width0.875 INCHES IN
Surface Treatment Document and ClassificationMIL-P-16232,TYPE M,CLASS 2 MIL SPEC ALL TREATMENT RESPONSES OVERALL
Bore StyleW/ 2 KEYWAYS BOTH ENDS
Keyway Nominal Width0.375 INCHES BOTH ENDS IN
Pressure Angle20.0000 DEGREES
MaterialSTEEL COMP 8620 OVERALL
Nominal Outside Diameter10.175 INCHES IN
Nominal Distance Between Body Face and Protruding Hub End0.375 INCHES FIRST END IN
Hardness Rating55.0 ROCKWELL C MINIMUM AND 58.0 ROCKWELL C MAXIMUM OVERALL
Body StyleWEBBED, WITH LIGHTENING HOLES
Teeth Quantity100
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
2920-00-035-85926910 INTERCHANGEABLE
Shield Assy,termina
Champion Aerospace Llc
4720-01-263-5356519-0301 INTERCHANGEABLE
Hose Assembly,nonmetallic
Landoll Company, Llc
Cross-Reference Index
Part NumberManufacturer
3020PL0962455 Jednolity Indeks Materialowy - Uniform Material Index (POL)
5190301 PRIMARY General Dynamics Defense Systems Inc. Dba General Dynamics Advanced Information Systems (USA)
5190301 Naval Sea Systems Command (USA)
Related Parts
2920-00-035-8592INTERCHANGEABLE
SHIELD ASSY,TERMINA
6910
4720-01-263-5356INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
519-0301

Frequently Asked Questions

What is NSN 3020-01-322-1003?

NSN 3020-01-322-1003 is a Gear,spur, manufactured by General Dynamics Defense Systems Inc. Dba General Dynamics Advanced Information Systems, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-01-322-1003?

NSN 3020-01-322-1003 has 3 cross-referenced part numbers: 3020PL0962455 (Jednolity Indeks Materialowy - Uniform Material Index), 5190301 (General Dynamics Defense Systems Inc. Dba General Dynamics Advanced Information Systems), 5190301 (Naval Sea Systems Command).

What NSN replaces 3020-01-322-1003?

There are 2 known substitutes for 3020-01-322-1003: 2920-00-035-8592, 4720-01-263-5356. Verify interchangeability with system specifications before substitution.

What are the specifications of 5190301?

Key specifications for 5190301: Pitch Diameter: 10.0000 INCHES NOMINAL IN; Style Designator: ONE PROTRUDING HUB, ONE FLUSH HUB; Surface Treatment: PHOSPHATE OVERALL; Hub Style Designator: PLAIN BOTH ENDS. 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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