PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

20570Gear,spur

Mandzak Instrumentation Specialists Inc · NSN 3020-00-055-2109 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-055-2109 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-055-2109. Primary manufacturer part number: 20570.
Features
  • Gear,spur — FSC 3020
  • Material: ALUMINUM ALLOY 2024 OVERALL
  • Nominal Outside Diameter: 1.182 INCHES IN
  • Pressure Angle: 20.0000 DEGREES
  • Style Designator: PROTRUDING HUB
  • Hub Style Designator: PINNED FIRST END
  • Bore Style: PLAIN BOTH ENDS
  • Pitch Diameter: 1.1656 INCHES MINIMUM AND 1.1666 INCHES MAXIMUM IN
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Aluminum Alloy 2024 Overall construction
General Description

The Gear,spur, cataloged under National Stock Number 3020-00-055-2109, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Mandzak Instrumentation Specialists Inc. Government technical data includes 14 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. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-00-055-2109
Primary Part Number20570
Item NameGear,spur
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerMandzak Instrumentation Specialists Inc
StatusACTIVE
MaterialALUMINUM ALLOY 2024 OVERALL
Nominal Outside Diameter1.182 INCHES IN
Pressure Angle20.0000 DEGREES
Style DesignatorPROTRUDING HUB
Hub Style DesignatorPINNED FIRST END
Bore StylePLAIN BOTH ENDS
Pitch Diameter1.1656 INCHES MINIMUM AND 1.1666 INCHES MAXIMUM IN
Hub Nominal Diameter0.438 INCHES FIRST END IN
Material Document and ClassificationQQ-A-222/6,T4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Nominal Distance Between Body Face and Protruding Hub End0.282 INCHES FIRST END IN
Face Nominal Width0.062 INCHES IN
Bore Nominal Diameter0.125 INCHES BOTH ENDS IN
Teeth Quantity140
Body StylePLAIN, SOLID
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
1040-00-300-426320570 INTERCHANGEABLE
Valve,assembly,inle
L3harris Technologies, Inc. Div Space and Airborne Systems
5340-00-311-4107205-70 INTERCHANGEABLE
Handle,bow
Cmc of Georgia, Inc.
3750-00-527-804920053 AND 59302 INTERCHANGEABLE
Mower,lawn,power
Toro Co the
5950-00-645-692220570 INTERCHANGEABLE
Transformer,power
Freed Transformer Co
3820-00-800-034720570 INTERCHANGEABLE
Liner Hopper
Eagle Crusher Co Inc Dba Stedman Machine Co
6685-01-058-5984N20570 INTERCHANGEABLE
Yoke
Leslie Controls, Inc. Dba Leslie Controls Inc
3810-01-263-7198 INTERCHANGEABLE
Drive Assembly,load Lowering
5120-01-430-8157 INTERCHANGEABLE
Crowfoot Attachment,socket Wrenc
5340-01-441-964520570 INTERCHANGEABLE
Strap,webbing
Amerex Corporation Dba Amerex Corp
Cross-Reference Index
Part NumberManufacturer
20570 Mandzak Instrumentation Specialists Inc (USA)
Related Parts
1040-00-300-4263INTERCHANGEABLE
VALVE,ASSEMBLY,INLE
20570
5340-00-311-4107INTERCHANGEABLE
HANDLE,BOW
205-70
3750-00-527-8049INTERCHANGEABLE
MOWER,LAWN,POWER
20053 AND 59302
5950-00-645-6922INTERCHANGEABLE
TRANSFORMER,POWER
20570
3820-00-800-0347INTERCHANGEABLE
LINER HOPPER
20570
6685-01-058-5984INTERCHANGEABLE
YOKE
N20570
3810-01-263-7198INTERCHANGEABLE
DRIVE ASSEMBLY,LOAD LOWERING
5120-01-430-8157INTERCHANGEABLE
CROWFOOT ATTACHMENT,SOCKET WRENC
5340-01-441-9645INTERCHANGEABLE
STRAP,WEBBING
20570

Frequently Asked Questions

What is NSN 3020-00-055-2109?

NSN 3020-00-055-2109 is a Gear,spur, manufactured by Mandzak Instrumentation Specialists Inc, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-00-055-2109?

NSN 3020-00-055-2109 has 1 cross-referenced part number: 20570 (Mandzak Instrumentation Specialists Inc).

What NSN replaces 3020-00-055-2109?

There are 9 known substitutes for 3020-00-055-2109: 1040-00-300-4263, 5340-00-311-4107, 3750-00-527-8049 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 20570?

Key specifications for 20570: Material: ALUMINUM ALLOY 2024 OVERALL; Nominal Outside Diameter: 1.182 INCHES IN; Pressure Angle: 20.0000 DEGREES; Style Designator: PROTRUDING HUB. 14 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com