The Gear,spur, cataloged under National Stock Number 3020-00-463-7718, 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 Ontic Engineering & Manufacturing, Inc Dba Ontic Us. Government technical data includes 19 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-463-7718 |
| Primary Part Number | 693310 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Ontic Engineering & Manufacturing, Inc Dba Ontic Us |
| Status | ACTIVE |
| Hub Nominal Diameter | 0.625 INCHES BOTH ENDS IN |
| Backlash Designation | GRADE A |
| Teeth Quantity | 50 |
| Body Style | WEBBED, SOLID |
| Bore Style | FLATTED SIDES BOTH ENDS |
| Nominal Distance Between Body Face and Protruding Hub End | 0.030 INCHES BOTH ENDS IN |
| Precision Classification | QUALITY NUMBER 12 |
| Hardness Rating | 80.0 ROCKWELL A MINIMUM AND 83.0 ROCKWELL A MAXIMUM OVERALL |
| Nominal Overall Length | 0.250 INCHES IN |
| Style Designator | PROTRUDING HUBS |
| Material Document and Classification | MIL-S-7493 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Pitch Diameter | 2.5000 INCHES NOMINAL IN |
| Tooth Form | STANDARD |
| Hub Style Designator | PLAIN BOTH ENDS |
| Nominal Outside Diameter | 2.597 INCHES IN |
| Nominal Radius | 0.438 INCHES BOTH ENDS IN |
| Pressure Angle | 20.0000 DEGREES |
| Material | STEEL COMP 4617 OVERALL |
| Face Nominal Width | 0.188 INCHES IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 693310 PRIMARY | Ontic Engineering & Manufacturing, Inc Dba Ontic Us (USA) |
| Reference | Meaning |
|---|---|
| 693310 | 3/9 Design control — primary reference U.S. Government activity |
NSN 3020-00-463-7718 is a Gear,spur, manufactured by Ontic Engineering & Manufacturing, Inc Dba Ontic Us, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-463-7718 has 1 manufacturer part number on file: 693310 (Ontic Engineering & Manufacturing, Inc Dba Ontic Us).
Key specifications for 693310: Hub Nominal Diameter: 0.625 INCHES BOTH ENDS IN; Backlash Designation: GRADE A; Teeth Quantity: 50; Body Style: WEBBED, SOLID. 19 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.
NSN 3020-00-463-7718 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.