The Gear,spur, cataloged under National Stock Number 3020-00-320-1297, 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 17 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 3020-00-320-1297 |
| Primary Part Number | LCT6501S2601-93520PC54 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Keyway Nominal Width | 1.000 INCHES BOTH ENDS IN |
| Bore Nominal Diameter | 4.003 INCHES BOTH ENDS IN |
| Hub Nominal Diameter | 6.7500 INCHES BOTH ENDS IN |
| Teeth Quantity | 64 |
| Body Style | SPOKED |
| Bore Style | W/ 2 KEYWAYS BOTH ENDS |
| Nominal Distance Between Body Face and Protruding Hub End | 1.250 INCHES FIRST END IN |
| Hardness Rating | 190.0 ROCKWELL C MINIMUM AND 240.0 ROCKWELL C MAXIMUM OVERALL |
| Style Designator | PROTRUDING HUBS |
| Pitch Diameter | 21.3330 INCHES NOMINAL IN |
| Tooth Form | STANDARD |
| Hub Style Designator | PLAIN BOTH ENDS |
| Nominal Outside Diameter | 21.8660 INCHES IN |
| Nominal Distance From Bore Center to Keyway Bottom | 3.188 INCHES BOTH ENDS IN |
| Pressure Angle | 20.0000 DEGREES |
| Material | STEEL OVERALL |
| Face Nominal Width | 2.5000 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 |
|---|---|
| LCT6501S2601-93520PC54 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 32415PC54 | 5/9 Secondary reference Jaeger Machine Co |
| 32124-1 | 5/9 Secondary reference Jaeger Machine Co |
| LCT6501S2601-93520PC54 | 5/9 Secondary reference U.S. Government activity |
| 4402-7PC54 | 5/9 Secondary reference Jaeger Machine Co |
NSN 3020-00-320-1297 is a Gear,spur, manufactured by Naval Sea Systems Command, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-320-1297 has 1 manufacturer part number on file: LCT6501S2601-93520PC54 (Naval Sea Systems Command).
Key specifications for LCT6501S2601-93520PC54: Keyway Nominal Width: 1.000 INCHES BOTH ENDS IN; Bore Nominal Diameter: 4.003 INCHES BOTH ENDS IN; Hub Nominal Diameter: 6.7500 INCHES BOTH ENDS IN; Teeth Quantity: 64. 17 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.