The Gear,spur, cataloged under National Stock Number 3020-01-117-7631, 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 Kalmar AC Inc. Government technical data includes 16 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3020-01-117-7631 |
| Primary Part Number | 4819206-6 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Kalmar AC Inc |
| Status | ACTIVE |
| Bore Nominal Diameter | 1.313 INCHES BOTH ENDS IN |
| Teeth Quantity | 14 |
| Body Style | PLAIN, SOLID |
| Bore Style | PLAIN BOTH ENDS |
| Mounting Hole Type and Quantity | 3 PLAIN TRANSVERSELY THROUGH FACE |
| Mounting Hole Nominal Diameter | 0.802 INCHES TRANSVERSELY THROUGH FACE IN |
| Hardness Rating | 58.0 ROCKWELL C MINIMUM AND 63.0 ROCKWELL C MAXIMUM OVERALL |
| Style Designator | HUBLESS |
| Material Document and Classification | 66AISI/SAE 8617H FED STD SINGLE MATERIAL RESPONSE OVERALL |
| Pitch Diameter | 2.3333 INCHES NOMINAL IN |
| Tooth Form | STANDARD |
| Nominal Outside Diameter | 2.667 INCHES IN |
| Pressure Angle | 25.0000 DEGREES |
| Material | STEEL COMP 8617H OVERALL |
| Attachment Method | MOUNTING HOLE |
| Face Nominal Width | 1.562 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 |
|---|---|
| 4819206-6 PRIMARY | Kalmar AC Inc (USA) |
| Reference | Meaning |
|---|---|
| 4819206 | D/9 Drawing number reference only Kalmar AC Inc |
NSN 3020-01-117-7631 is a Gear,spur, manufactured by Kalmar AC Inc, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-117-7631 has 1 manufacturer part number on file: 4819206-6 (Kalmar AC Inc).
Key specifications for 4819206-6: Bore Nominal Diameter: 1.313 INCHES BOTH ENDS IN; Teeth Quantity: 14; Body Style: PLAIN, SOLID; Bore Style: PLAIN BOTH ENDS. 16 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.