The Gear,spur, cataloged under National Stock Number 3020-01-134-8892, 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 Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate. Government technical data includes 13 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-134-8892 |
| Primary Part Number | 12290857 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate |
| Status | ACTIVE |
| Keyway Nominal Width | 0.189 INCHES FIRST END0.189 INCHES FIRST END IN |
| Hub Nominal Diameter | 1.375 INCHES FIRST END1.375 INCHES FIRST END IN |
| Teeth Quantity | 2727 |
| Body Style | PLAIN, SOLIDPLAIN, SOLID |
| Precision Classification | QUALITY NUMBER 16QUALITY NUMBER 16 |
| Nominal Overall Length | 1.372 INCHES1.372 INCHES IN |
| Style Designator | PROTRUDING HUBPROTRUDING HUB |
| Pitch Diameter | 1.6875 INCHES NOMINAL1.6875 INCHES NOMINAL IN |
| Tooth Form | STANDARDSTANDARD |
| Nominal Outside Diameter | 1.813 INCHES1.813 INCHES IN |
| Surface Treatment | PHOSPHATE OVERALLPHOSPHATE OVERALL |
| Pressure Angle | 20.0000 DEGREES20.0000 DEGREES |
| Face Nominal Width | 0.562 INCHES0.562 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 |
|---|---|
| 12290857 PRIMARY | Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate (USA) |
NSN 3020-01-134-8892 is a Gear,spur, manufactured by Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-134-8892 has 1 manufacturer part number on file: 12290857 (Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate).
Key specifications for 12290857: Keyway Nominal Width: 0.189 INCHES FIRST END0.189 INCHES FIRST END IN; Hub Nominal Diameter: 1.375 INCHES FIRST END1.375 INCHES FIRST END IN; Teeth Quantity: 2727; Body Style: PLAIN, SOLIDPLAIN, SOLID. 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.