PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

11569Gear,spur

Atlantic Inertial Systems Inc · NSN 3020-01-010-7173 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-01-010-7173 — this item is cataloged by the U.S. Government under National Stock Number 3020-01-010-7173. Primary manufacturer part number: 11569.
Features
  • Gear,spur — FSC 3020
  • Body Recess Nominal Depth: 0.0620 INCHES FIRST END IN
  • Bolt Hole Circle Nominal Diameter: 0.469 INCHES AXIALLY THROUGH BODY FIRST END IN
  • Style Designator: HUBLESS, RECESSED BODY
  • Material Document and Classification: MIL-S-7720 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Surface Treatment Document and Classification: MIL-S-0002 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
  • Bore Style: PLAIN BOTH ENDS
  • Surface Treatment: PASSIVATE OVERALL
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Steel Comp 303 or Steel Comp 303SE Overall construction
General Description

The Gear,spur, cataloged under National Stock Number 3020-01-010-7173, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Atlantic Inertial Systems Inc. Government technical data includes 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-01-010-7173
Primary Part Number11569
Item NameGear,spur
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerAtlantic Inertial Systems Inc
StatusACTIVE
Body Recess Nominal Depth0.0620 INCHES FIRST END IN
Bolt Hole Circle Nominal Diameter0.469 INCHES AXIALLY THROUGH BODY FIRST END IN
Style DesignatorHUBLESS, RECESSED BODY
Material Document and ClassificationMIL-S-7720 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
Surface Treatment Document and ClassificationMIL-S-0002 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
Bore StylePLAIN BOTH ENDS
Surface TreatmentPASSIVATE OVERALL
Nominal Outside Diameter0.8490 INCHES IN
Bore Nominal Diameter0.3126 INCHES BOTH ENDS IN
Mounting Hole Nominal Diameter0.097 INCHES AXIALLY THROUGH BODY FIRST END IN
Pressure Angle20.0000 DEGREES
Face Nominal Width0.109 INCHES IN
Precision ClassificationQUALITY NUMBER 12
Mounting Hole Type and Quantity4 PLAIN AXIALLY THROUGH BODY FIRST END
MaterialSTEEL COMP 303 OR STEEL COMP 303SE OVERALL
Body StyleWEBBED, WITH LIGHTENING HOLES
Teeth Quantity100
Attachment MethodMOUNTING HOLE
Pitch Diameter0.8333 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5305-00-021-4269 INTERCHANGEABLE
Screw,machine
3040-00-367-633411569 INTERCHANGEABLE
Shaft,shouldered
Miner Enterprises Inc Dba W H Miner Div
5315-00-570-3490SM-B-187152 INTERCHANGEABLE
Pin,shoulder,headed
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
2915-00-670-03431-156-9 INTERCHANGEABLE
Piston Assembly
Parker Hannifin Corporation Div Aerospace Group Headquarters
1650-00-704-846011569 INTERCHANGEABLE
Stock,linear Actuating Cylinder
Eaton Corp Dba Eaton Aerospace Jackson
5977-01-371-499711569 INTERCHANGEABLE
Brush,electrical Contact
Clemco Industries Corp. Dba Clemco Industries Corp Div Clemco
4810-01-596-083111569 INTERCHANGEABLE
Repair Kit,solenoid Valve
Romac Industries, Inc. Dba Hays Fluid Controls Div Hays Fluid Controls Division
Cross-Reference Index
Part NumberManufacturer
11569 Atlantic Inertial Systems Inc (USA)
11569 Atlantic Inertial Systems Inc Div Cheshire Division (USA)
Related Parts
5305-00-021-4269INTERCHANGEABLE
SCREW,MACHINE
3040-00-367-6334INTERCHANGEABLE
SHAFT,SHOULDERED
11569
5315-00-570-3490INTERCHANGEABLE
PIN,SHOULDER,HEADED
SM-B-187152
2915-00-670-0343INTERCHANGEABLE
PISTON ASSEMBLY
1-156-9
1650-00-704-8460INTERCHANGEABLE
STOCK,LINEAR ACTUATING CYLINDER
11569
5977-01-371-4997INTERCHANGEABLE
BRUSH,ELECTRICAL CONTACT
11569
4810-01-596-0831INTERCHANGEABLE
REPAIR KIT,SOLENOID VALVE
11569

Frequently Asked Questions

What is NSN 3020-01-010-7173?

NSN 3020-01-010-7173 is a Gear,spur, manufactured by Atlantic Inertial Systems Inc, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-01-010-7173?

NSN 3020-01-010-7173 has 2 cross-referenced part numbers: 11569 (Atlantic Inertial Systems Inc), 11569 (Atlantic Inertial Systems Inc Div Cheshire Division).

What NSN replaces 3020-01-010-7173?

There are 7 known substitutes for 3020-01-010-7173: 5305-00-021-4269, 3040-00-367-6334, 5315-00-570-3490 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 11569?

Key specifications for 11569: Body Recess Nominal Depth: 0.0620 INCHES FIRST END IN; Bolt Hole Circle Nominal Diameter: 0.469 INCHES AXIALLY THROUGH BODY FIRST END IN; Style Designator: HUBLESS, RECESSED BODY; Material Document and Classification: MIL-S-7720 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL. 19 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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