The Gear,spur, cataloged under National Stock Number 3020-01-119-2287, 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 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-119-2287 |
| Primary Part Number | 12524097 |
| 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 |
| Bore Nominal Diameter | 19.0 MILLIMETERS BOTH ENDS MM |
| Hub Nominal Diameter | 25.4 MILLIMETERS FIRST END MM |
| Body Style | PLAIN, SOLID |
| Bore Style | PLAIN BOTH ENDS |
| Nominal Distance Between Body Face and Protruding Hub End | 30.0 MILLIMETERS FIRST END MM |
| Hardness Rating | 35.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL |
| Style Designator | PROTRUDING HUB |
| Material Document and Classification | MIL-S-5626,COMP 4140 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Pitch Diameter | 84.0 MILLIMETERS NOMINAL MM |
| Tooth Form | STUB |
| Hub Style Designator | PLAIN FIRST END |
| Nominal Outside Diameter | 86.0 MILLIMETERS MM |
| Surface Treatment | PASSIVATE OVERALL |
| Pressure Angle | 30.0000 DEGREES |
| Material | STEEL COMP 4140 OVERALL |
| Face Nominal Width | 25.0 MILLIMETERS MM |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 12524097 PRIMARY | Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate (USA) |
| Reference | Meaning |
|---|---|
| 465-4097 | C/1 Advisory reference — outside the item-of-supply concept Northrop Grumman Systems Corp Div Weapon System |
| 465-4097 | 5/9 Secondary reference Alliant Techsystems Operations Llc |
NSN 3020-01-119-2287 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 3020-01-119-2287 has 1 manufacturer part number on file: 12524097 (Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate).
Key specifications for 12524097: Bore Nominal Diameter: 19.0 MILLIMETERS BOTH ENDS MM; Hub Nominal Diameter: 25.4 MILLIMETERS FIRST END MM; Body Style: PLAIN, SOLID; Bore Style: PLAIN BOTH ENDS. 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.
NSN 3020-01-119-2287 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.