The Gear,spur, cataloged under National Stock Number 3020-00-229-0738, 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 Meggitt (new Hampshire), 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3020-00-229-0738 |
| Primary Part Number | SCB21660ISSUE2 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Meggitt (new Hampshire), Inc |
| Status | ACTIVE |
| Bore Nominal Diameter | 0.189 INCHES BOTH ENDS IN |
| Hub Nominal Diameter | 0.281 INCHES FIRST END IN |
| Teeth Quantity | 33 |
| Body Style | PLAIN, SOLID |
| Bore Style | PLAIN BOTH ENDS |
| Nominal Distance Between Body Face and Protruding Hub End | 0.038 INCHES FIRST END IN |
| Nominal Overall Length | 0.264 INCHES IN |
| Style Designator | PROTRUDING HUB |
| Material Document and Classification | QQ-B-626,ALLOY 360,1/2H FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Pitch Diameter | 0.5130 INCHES MINIMUM AND 0.5160 INCHES MAXIMUM IN |
| Tooth Form | STANDARD |
| Hub Style Designator | PLAIN FIRST END |
| Nominal Outside Diameter | 0.547 INCHES IN |
| Pressure Angle | 14.5000 DEGREES |
| Material | COPPER ALLOY 360 OVERALL |
| Face Nominal Width | 0.227 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 |
|---|---|
| SCB21660ISSUE2 PRIMARY | Meggitt (new Hampshire), Inc (USA) |
| Reference | Meaning |
|---|---|
| SCB21660 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3020-00-229-0738 is a Gear,spur, manufactured by Meggitt (new Hampshire), Inc, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-229-0738 has 1 manufacturer part number on file: SCB21660ISSUE2 (Meggitt (new Hampshire), Inc).
Key specifications for SCB21660ISSUE2: Bore Nominal Diameter: 0.189 INCHES BOTH ENDS IN; Hub Nominal Diameter: 0.281 INCHES FIRST END IN; Teeth Quantity: 33; Body Style: PLAIN, SOLID. 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.