The Gear,spur,internal,external, cataloged under National Stock Number 3020-00-431-6449, 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 Caterpillar Inc Div Caterpillar Defense. Government technical data includes 1 specification, 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 | 3020-00-431-6449 |
| Primary Part Number | 5M7869 |
| Item Name | Gear,spur,internal,external |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Caterpillar Inc Div Caterpillar Defense |
| Status | ACTIVE |
| General Characteristics Item Description | STEEL,12.250 IN.OD,2.875 IN. LG,9.750 IN.INTERNAL TEETH PITCH DIA,11.875 IN.EXTERNAL TEETH PITCH DIA,0.875 IN.EXTERNAL TEETH FACE WIDTH,1.125 IN.INTERNAL TEETH FACE WIDTH,11.000 IN. OD PLAIN HUB,STRAIGHT SPLINED BORE,60 SPLINES,9.875 IN.SPLINE MINOR DIA,0.1875 IN.SPLINE DEEP,0.1875 IN.SPLINE WIDE 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 |
|---|---|
| 5M7869 PRIMARY | Caterpillar Inc Div Caterpillar Defense (USA) |
NSN 3020-00-431-6449 is a Gear,spur,internal,external, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-431-6449 has 1 manufacturer part number on file: 5M7869 (Caterpillar Inc Div Caterpillar Defense).
Key specifications for 5M7869: General Characteristics Item Description: STEEL,12.250 IN.OD,2.875 IN. LG,9.750 IN.INTERNAL TEETH PITCH DIA,11.875 IN.EXTERNAL TEETH PITCH DIA,0.875 IN.EXTERNAL TEETH FACE WIDTH,1.125 IN.INTERNAL TEETH FACE WIDTH,11.000 IN. OD PLAIN HUB,STRAIGHT SPLINED BORE,60 SPLINES,9.875 IN.SPLINE MINOR DIA,0.1875 IN.SPLINE DEEP,0.1875 IN.SPLINE WIDE IN. 1 specification is 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.