The Gear Assembly, cataloged under National Stock Number 3020-00-166-5009, 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 Amfs American Fleet Services. 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-166-5009 |
| Primary Part Number | DCGB2-2-4 |
| Item Name | Gear Assembly |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Amfs American Fleet Services |
| Status | ACTIVE |
| General Characteristics Item Description | 20 DEG NORMAL PRESSURE ANGLE OF GEAR,68 TEETH,1.0625 IN. PITCH DIA,0.04909 IN. DIAMETRAL PITCH,0.064 IN. W OF FACE,0.3750 IN. MIN,0.3755 IN. MAX COUNTERBORE DIA,20 DEG NORMAL PRESSURE ANGLE OF PINION,18 TEETH,0.3750 IN. PITCH DIA,0.06545 IN. NORMAL DIAMETRAL PITCH,0.245 IN. W OF FACE,0.2780 IN. MIN,0.2785 IN. MAX COUNTERBORE DIA 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 |
|---|---|
| DCGB2-2-4 | Amfs American Fleet Services (USA) |
| Reference | Meaning |
|---|---|
| DCGB2-2-4 | 5/9 Secondary reference Torrington Co the Machinery Div Sub of Ingersoll-Rand Co |
| SMB343946 | 3/2 Design control — primary reference U.S. Government activity |
| SMB343947 | 5/2 Secondary reference U.S. Government activity |
| SMB343948 | 5/2 Secondary reference U.S. Government activity |
NSN 3020-00-166-5009 is a Gear Assembly, manufactured by Amfs American Fleet Services, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-166-5009 has 1 manufacturer part number on file: DCGB2-2-4 (Amfs American Fleet Services).
Key specifications for DCGB2-2-4: General Characteristics Item Description: 20 DEG NORMAL PRESSURE ANGLE OF GEAR,68 TEETH,1.0625 IN. PITCH DIA,0.04909 IN. DIAMETRAL PITCH,0.064 IN. W OF FACE,0.3750 IN. MIN,0.3755 IN. MAX COUNTERBORE DIA,20 DEG NORMAL PRESSURE ANGLE OF PINION,18 TEETH,0.3750 IN. PITCH DIA,0.06545 IN. NORMAL DIAMETRAL PITCH,0.245 IN. W OF FACE,0.2780 IN. MIN,0.2785 IN. MAX COUNTERBORE DIA 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.