PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

197C7840Gear,bevel

General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems · NSN 3020-01-230-5028 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-01-230-5028 — this item is cataloged by the U.S. Government under National Stock Number 3020-01-230-5028. Primary manufacturer part number: 197C7840.
Features
  • Gear,bevel — FSC 3020
  • Bore Nominal Depth: 0.422 INCHES BOTH ENDS IN
  • Nominal Outside Diameter: 0.593 INCHES IN
  • Material: STEEL COMP 1006 OR STEEL COMP 1074 OVERALL
  • Hub Nominal Diameter: 0.413 INCHES FIRST END IN
  • Bore Nominal Diameter: 0.187 INCHES BOTH ENDS IN
  • Reference Number Differentiating Characteristics: AS DIFFERENTIATED BY SOURCE CONTROL DWG 197C7840
  • Nominal Overall Length: 0.422 INCHES IN
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Steel Comp 1006 or Steel Comp 1074 Overall construction
General Description

The Gear,bevel, cataloged under National Stock Number 3020-01-230-5028, 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-Ots, Inc. Div Ordnance and Tactical Systems. Government technical data includes 20 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-01-230-5028
Primary Part Number197C7840
Item NameGear,bevel
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerGeneral Dynamics-Ots, Inc. Div Ordnance and Tactical Systems
StatusACTIVE
Bore Nominal Depth0.422 INCHES BOTH ENDS IN
Nominal Outside Diameter0.593 INCHES IN
MaterialSTEEL COMP 1006 OR STEEL COMP 1074 OVERALL
Hub Nominal Diameter0.413 INCHES FIRST END IN
Bore Nominal Diameter0.187 INCHES BOTH ENDS IN
Reference Number Differentiating CharacteristicsAS DIFFERENTIATED BY SOURCE CONTROL DWG 197C7840
Nominal Overall Length0.422 INCHES IN
Hub Style DesignatorPINNED FIRST END
Pitch Diameter0.5000 INCHES NOMINAL IN
Style DesignatorPERIPHERAL FACE, BACK HUB PROTRUDING
Pitch Angle90.0000 DEGREES
Face Nominal Width0.172 INCHES IN
Surface TreatmentPHOSPHATE OVERALL
Material Document and Classification66,AISI/SAE 1006 FED STD 1ST MATERIAL RESPONSE OR 66,AISI/SAE 1074 FED STD 2ND MATERIAL RESPONSE OVERALL
Bore StylePLAIN BOTH ENDS
Nominal Distance Between Body Face and Protruding Hub End0.227 INCHES SECOND END IN
Pressure Angle20.0000 DEGREES
Teeth TypeSTRAIGHT
Teeth Quantity10
Body StylePLAIN, SOLID
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
5330-00-057-0729122-36 INTERCHANGEABLE
Gasket
Cummins Power Generation Inc.
5133-00-189-9281 INTERCHANGEABLE
Drill,twist
5133-00-228-1343 INTERCHANGEABLE
Drill,twist
3020-00-421-9740L147YP INTERCHANGEABLE
Gear,bevel
Altra Industrial Motion Corp.
3610-00-779-190912236 INTERCHANGEABLE
Extension,sign Arm
Smyth Mfg Co Sub of the Beacon Group
5950-00-883-3914 INTERCHANGEABLE
Transformer,power
5430-01-130-4475122-36 INTERCHANGEABLE
Flame Arrestor
Protectoseal Co Container Div
3455-01-203-276712236 INTERCHANGEABLE
Trepanning Tool,machine
Hougen Manufacturing, Inc
5120-01-348-72705120-00-NIB-0230 INTERCHANGEABLE
Socket,socket Wrench
Beyond Vision Inc Dba Beyond Vision
1240-01-551-576511401 INTERCHANGEABLE
Mount Subassembly
Aimpoint Inc Dba Aimpoint Inc
Cross-Reference Index
Part NumberManufacturer
197C7840 General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems (USA)
12236 Altra Industrial Motion Corp. (USA)
L147Y-P Altra Industrial Motion Corp. (USA)
Related Parts
5330-00-057-0729INTERCHANGEABLE
GASKET
122-36
5133-00-189-9281INTERCHANGEABLE
DRILL,TWIST
5133-00-228-1343INTERCHANGEABLE
DRILL,TWIST
3020-00-421-9740INTERCHANGEABLE
GEAR,BEVEL
L147YP
3610-00-779-1909INTERCHANGEABLE
EXTENSION,SIGN ARM
12236
5950-00-883-3914INTERCHANGEABLE
TRANSFORMER,POWER
5430-01-130-4475INTERCHANGEABLE
FLAME ARRESTOR
122-36
3455-01-203-2767INTERCHANGEABLE
TREPANNING TOOL,MACHINE
12236
5120-01-348-7270INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5120-00-NIB-0230
1240-01-551-5765INTERCHANGEABLE
MOUNT SUBASSEMBLY
11401

Frequently Asked Questions

What is NSN 3020-01-230-5028?

NSN 3020-01-230-5028 is a Gear,bevel, manufactured by General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-01-230-5028?

NSN 3020-01-230-5028 has 3 cross-referenced part numbers: 197C7840 (General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems), 12236 (Altra Industrial Motion Corp.), L147Y-P (Altra Industrial Motion Corp.).

What NSN replaces 3020-01-230-5028?

There are 10 known substitutes for 3020-01-230-5028: 5330-00-057-0729, 5133-00-189-9281, 5133-00-228-1343 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 197C7840?

Key specifications for 197C7840: Bore Nominal Depth: 0.422 INCHES BOTH ENDS IN; Nominal Outside Diameter: 0.593 INCHES IN; Material: STEEL COMP 1006 OR STEEL COMP 1074 OVERALL; Hub Nominal Diameter: 0.413 INCHES FIRST END IN. 20 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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