The Gear,spur, cataloged under National Stock Number 3020-00-905-4877, 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 Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier. 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through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-905-4877 |
| Primary Part Number | 3Q1087C1 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
| Status | ACTIVE |
| Bore Nominal Diameter | 1.126 INCHES BOTH ENDS IN |
| Hub Nominal Diameter | 1.625 INCHES BOTH ENDS IN |
| Teeth Quantity | 39 |
| Body Style | PLAIN, SOLID |
| Bore Style | PLAIN BOTH ENDS |
| Nominal Distance Between Body Face and Protruding Hub End | 0.188 INCHES FIRST END IN |
| Nominal Distance Between Body Face and Protruding Hub End | 0.182 INCHES SECOND END IN |
| Style Designator | PROTRUDING HUBS |
| Material Document and Classification | 66 FED STD ALL MATERIAL RESPONSES OVERALL |
| Pitch Diameter | 3.2500 INCHES NOMINAL IN |
| Tooth Form | STANDARD |
| Hub Style Designator | PLAIN BOTH ENDS |
| Nominal Outside Diameter | 3.411 INCHES IN |
| Pressure Angle | 20.0000 DEGREES |
| Material | STEEL COMP 4615 OR STEEL COMP 4620 OVERALL |
| Face Nominal Width | 1.000 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 |
|---|---|
| 3Q1087C1 PRIMARY | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
| Reference | Meaning |
|---|---|
| 56B23007-7 | 5/9 Secondary reference U.S. Government activity |
| 56B23007 | 5/9 Secondary reference Grant Gear Works Inc |
| 56B23007-7 | 5/9 Secondary reference Gse Production and Support Llc Dba Gse Spares |
| 3Q1087C1 | 5/9 Secondary reference U.S. Government activity |
| 56B23007-7 | 5/9 Secondary reference U.S. Government activity |
| 3Q1087C1 | 5/9 Secondary reference Gse Production and Support Llc Dba Gse Spares |
NSN 3020-00-905-4877 is a Gear,spur, manufactured by Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-905-4877 has 1 manufacturer part number on file: 3Q1087C1 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier).
Key specifications for 3Q1087C1: Bore Nominal Diameter: 1.126 INCHES BOTH ENDS IN; Hub Nominal Diameter: 1.625 INCHES BOTH ENDS IN; Teeth Quantity: 39; 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.