The Gear,spur, cataloged under National Stock Number 3020-00-959-8683, 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 Siemens Energy, Inc.. Government technical data includes 13 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-959-8683 |
| Primary Part Number | RGR429CJ |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Siemens Energy, Inc. |
| Status | ACTIVE |
| Keyway Nominal Width | 0.250 INCHES BOTH ENDS IN |
| Hub Nominal Diameter | 0.200 INCHES FIRST END IN |
| Teeth Quantity | 237 |
| Body Style | PLAIN, WITH LIGHTENING HOLES |
| Nominal Distance Between Body Face and Protruding Hub End | 0.313 INCHES FIRST END IN |
| Nominal Overall Length | 1.063 INCHES IN |
| Style Designator | PROTRUDING HUB |
| Material Document and Classification | MIL-P-15035,TYPE FBI MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Pitch Diameter | 11.5500 INCHES NOMINAL IN |
| Tooth Form | STANDARD |
| Pressure Angle | 20.0000 DEGREES |
| Material | PLASTIC PHENOLIC OVERALL |
| Face Nominal Width | 0.750 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 |
|---|---|
| B5471BPC18 | Siemens Energy, Inc. (USA) |
| RGR429CJ PRIMARY | Siemens Energy, Inc. (USA) |
| B54718PC18 | Siemens Energy, Inc. (USA) |
NSN 3020-00-959-8683 is a Gear,spur, manufactured by Siemens Energy, Inc., classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-959-8683 has 3 manufacturer part numbers on file: B5471BPC18 (Siemens Energy, Inc.), RGR429CJ (Siemens Energy, Inc.), B54718PC18 (Siemens Energy, Inc.).
Key specifications for RGR429CJ: Keyway Nominal Width: 0.250 INCHES BOTH ENDS IN; Hub Nominal Diameter: 0.200 INCHES FIRST END IN; Teeth Quantity: 237; Body Style: PLAIN, WITH LIGHTENING HOLES. 13 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.