The Gear,antibacklash,spur, cataloged under National Stock Number 3020-00-800-0192, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Us Army Aviation and Missile Command. Government technical data includes 27 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-800-0192 |
| Primary Part Number | 8000192 |
| Item Name | Gear,antibacklash,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Us Army Aviation and Missile Command |
| Status | ACTIVE |
| Keyway Nominal Width | 0.096 INCHES BOTH ENDS IN |
| Bore Nominal Diameter | 0.375 INCHES BOTH ENDS IN |
| Teeth Quantity | 150 |
| Second Step Nominal Diameter | 0.688 INCHES FIRST END IN |
| Surface Treatment Document and Classification | MIL-STD-171,5.4 MIL STD SINGLE TREATMENT RESPONSE OVERALL |
| Bore Style | W/ KEYWAY BOTH ENDS |
| Mounting Hole Type and Quantity | 2 THREADED AXIALLY THROUGH BODY FIRST END |
| Nominal Distance Between Body Face and Protruding Hub End | 0.347 INCHES FIRST END IN |
| First Step Nominal Length | 0.094 INCHES FIRST END IN |
| Second Step Nominal Length | 0.222 INCHES FIRST END IN |
| Style Designator | PROTRUDING HUB |
| Pitch Diameter | 3.1250 INCHES NOMINAL IN |
| Tooth Form | STANDARD |
| First Step Nominal Diameter | 0.516 INCHES FIRST END IN |
| Hub Style Designator | 2 STEPS FIRST END |
| Mounting Hole Nominal Thread Size | 0.112 INCHES AXIALLY THROUGH BODY FIRST END IN |
| End Nominal Length | 0.031 INCHES FIRST END IN |
| Nominal Outside Diameter | 3.163 INCHES IN |
| Mounting Hole Thread Quantity Per Inch | 40 AXIALLY THROUGH BODY FIRST END |
| Nominal Distance From Bore Center to Keyway Bottom | 0.246 INCHES BOTH ENDS IN |
| Surface Treatment | PASSIVATE OVERALL |
| End Nominal Diameter | 0.435 INCHES FIRST END IN |
| Pressure Angle | 14.5000 DEGREES |
| Material | STEEL COMP 303 FIRST GEAR |
| Mounting Hole Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) AXIALLY THROUGH BODY FIRST END |
| Attachment Method | MOUNTING HOLE |
| Face Nominal Width | 0.188 INCHES IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 8000192 PRIMARY | Us Army Aviation and Missile Command (USA) |
NSN 3020-00-800-0192 is a Gear,antibacklash,spur, manufactured by Us Army Aviation and Missile Command, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-800-0192 has 1 manufacturer part number on file: 8000192 (Us Army Aviation and Missile Command).
Key specifications for 8000192: Keyway Nominal Width: 0.096 INCHES BOTH ENDS IN; Bore Nominal Diameter: 0.375 INCHES BOTH ENDS IN; Teeth Quantity: 150; Second Step Nominal Diameter: 0.688 INCHES FIRST END IN. 27 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.