The Gear,spur, cataloged under National Stock Number 3020-00-204-2995, 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 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-204-2995 |
| Primary Part Number | 10RE55J1126PT121 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Bore Nominal Diameter | 0.375 INCHES BOTH ENDS IN |
| Hub Nominal Diameter | 0.813 INCHES SECOND END IN |
| Teeth Quantity | 100 |
| Body Style | PLAIN, SOLID |
| Bore Style | PLAIN BOTH ENDS |
| Nominal Distance Between Body Face and Protruding Hub End | 0.172 INCHES FIRST END IN |
| Nominal Distance Between Body Face and Protruding Hub End | 0.125 INCHES SECOND END IN |
| Style Designator | PROTRUDING HUBS |
| Pitch Diameter | 3.1250 INCHES NOMINAL IN |
| Tooth Form | STANDARD |
| Hub Style Designator | PLAIN BOTH ENDS |
| Nominal Outside Diameter | 3.187 INCHES IN |
| Surface Treatment | CADMIUM OVERALL |
| Pressure Angle | 14.5000 DEGREES |
| Material | STEEL OVERALL |
| Face Nominal Width | 0.188 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 |
|---|---|
| W305443PT121 | L3 Technologies, Inc. Div Communication Systems-East (USA) |
| 10RE55J1126PT121 PRIMARY | Naval Sea Systems Command (USA) |
| K866049PT501 | L3 Technologies, Inc. Div Communication Systems-East (USA) |
| Reference | Meaning |
|---|---|
| W305443PT121 | 5/9 Secondary reference Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin |
| K866049PT501 | 5/9 Secondary reference Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin |
| 10RE55J1126PT121 | 5/9 Secondary reference U.S. Government activity |
NSN 3020-00-204-2995 is a Gear,spur, manufactured by Naval Sea Systems Command, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-204-2995 has 3 manufacturer part numbers on file: W305443PT121 (L3 Technologies, Inc. Div Communication Systems-East), 10RE55J1126PT121 (Naval Sea Systems Command), K866049PT501 (L3 Technologies, Inc. Div Communication Systems-East).
Key specifications for 10RE55J1126PT121: Bore Nominal Diameter: 0.375 INCHES BOTH ENDS IN; Hub Nominal Diameter: 0.813 INCHES SECOND END IN; Teeth Quantity: 100; 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.