The Gear Sector,spur, cataloged under National Stock Number 3020-01-075-6613, 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 Sea Systems Command. 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-075-6613 |
| Primary Part Number | 805-1749018 PIECE 54 |
| Item Name | Gear Sector,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Bore Nominal Diameter | 0.781 INCHES BOTH ENDS IN |
| Hub Nominal Diameter | 1.0000 INCHES FIRST END IN |
| Teeth Quantity | 7 |
| Nominal Outside Radius | 0.8125 INCHES IN |
| Bore Style | INVOLUTE SPLINE BOTH ENDS |
| Nominal Distance Between Body Face and Protruding Hub End | 1.0625 INCHES FIRST END IN |
| Style Designator | PROTRUDING HUB |
| Tooth Form | STANDARD |
| Hub Style Designator | PLAIN FIRST END |
| Spline Quantity | 10 BOTH ENDS |
| Arc Nominal Length | 1.7204 INCHES IN |
| Pitch Radius | 0.7500 INCHES NOMINAL IN |
| Pressure Angle | 20.0000 DEGREES |
| Material | STEEL OVERALL |
| Spline Pitch Diameter | 0.7109 INCHES NOMINAL BOTH ENDS IN |
| Face Nominal Width | 1.219 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 |
|---|---|
| 805-1749018 PIECE 54 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 805-1749018 PIECE 54 | 5/9 Secondary reference U.S. Government activity |
| 805-1749018PIECE54 | 5/2 Secondary reference U.S. Government activity |
| 805-1749018 PIE | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| 805-1749018 | D/9 Drawing number reference only Naval Sea Systems Command |
NSN 3020-01-075-6613 is a Gear Sector,spur, manufactured by Naval Sea Systems Command, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-075-6613 has 1 manufacturer part number on file: 805-1749018 PIECE 54 (Naval Sea Systems Command).
Key specifications for 805-1749018 PIECE 54: Bore Nominal Diameter: 0.781 INCHES BOTH ENDS IN; Hub Nominal Diameter: 1.0000 INCHES FIRST END IN; Teeth Quantity: 7; Nominal Outside Radius: 0.8125 INCHES IN. 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.