The Gear,spur, cataloged under National Stock Number 3020-00-563-0382, 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 Army, United States Department of the Dba Rock Island Arsenal Jmtc. Government technical data includes 29 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 | 3020-00-563-0382 |
| Primary Part Number | 10919174 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Army, United States Department of the Dba Rock Island Arsenal Jmtc |
| Status | ACTIVE |
| Bore Nominal Diameter | 0.758 INCHES BOTH ENDS IN |
| Hub Nominal Diameter | 1.249 INCHES FIRST END IN |
| Backlash Designation | GRADE A |
| Teeth Quantity | 16 |
| Surface Treatment Document and Classification | MIL-P-16232 TYPE M,CLASS 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Body Style | PLAIN, SOLID |
| Counterbore Nominal Diameter | 0.875 INCHES FIRST END IN |
| Bore Style | INVOLUTE SPLINE BOTH ENDS |
| Mounting Hole Type and Quantity | 2 PLAIN AXIALLY THROUGH BODY SECOND END |
| Mounting Hole Type and Quantity | 1 PLAIN AXIALLY THROUGH BODY FIRST END |
| Nominal Distance Between Body Face and Protruding Hub End | 1.312 INCHES FIRST END IN |
| Mounting Hole Nominal Diameter | 0.307 INCHES AXIALLY THROUGH BODY FIRST END IN |
| Mounting Hole Nominal Diameter | 0.380 INCHES AXIALLY THROUGH BODY SECOND END IN |
| Hardness Rating | 45.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM TEETH |
| Hardness Rating | 45.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM HUB |
| Nominal Overall Length | 1.687 INCHES IN |
| Style Designator | PROTRUDING HUB |
| Material Document and Classification | MIL-S-13048 MIL SPEC SINGLE MATERIAL RESPONSE AND QQ-S-681 CL 105-85 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Pitch Diameter | 4.0000 INCHES NOMINAL IN |
| Tooth Form | STUB |
| Hub Style Designator | PLAIN FIRST END |
| Spline Quantity | 35 BOTH ENDS |
| Nominal Outside Diameter | 4.400 INCHES IN |
| Surface Treatment | PHOSPHATE MANGANESE OVERALL |
| Pressure Angle | 25.0000 DEGREES |
| Material | STEEL OVERALL |
| Bolt Hole Circle Nominal Diameter | 2.750 INCHES AXIALLY THROUGH BODY FIRST END IN |
| Counterbore Nominal Depth | 0.937 INCHES FIRST END IN |
| Spline Pitch Diameter | 0.7290 INCHES NOMINAL BOTH ENDS 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 |
|---|---|
| 10919174 PRIMARY | Army, United States Department of the Dba Rock Island Arsenal Jmtc (USA) |
NSN 3020-00-563-0382 is a Gear,spur, manufactured by Army, United States Department of the Dba Rock Island Arsenal Jmtc, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-563-0382 has 1 manufacturer part number on file: 10919174 (Army, United States Department of the Dba Rock Island Arsenal Jmtc).
Key specifications for 10919174: Bore Nominal Diameter: 0.758 INCHES BOTH ENDS IN; Hub Nominal Diameter: 1.249 INCHES FIRST END IN; Backlash Designation: GRADE A; Teeth Quantity: 16. 29 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.