The Pulley Assembly, cataloged under National Stock Number 3020-01-386-4144, 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 The Crosby Group Llc Dba the Crosby Group. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-386-4144 |
| Primary Part Number | 8003555 |
| Item Name | Pulley Assembly |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | The Crosby Group Llc Dba the Crosby Group |
| Status | ACTIVE |
| General Characteristics Item Description | INCLUDES 18.0 IN.OD WIRE ROPE PULLEY,HOUSING ASSEMBLY,BEARING ASSY,2 SEALS,2 CAP SCREWS,2 NUTS,2 WASHERS,2 BEARINGS,1 PIN AND 1 GREASE ZERK 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 |
|---|---|
| 8003555 PRIMARY | The Crosby Group Llc Dba the Crosby Group (USA) |
| Reference | Meaning |
|---|---|
| DWG M89Y247D | 5/9 Secondary reference Crosby Group Inc the Mckissick Plant Div |
| 8003555 | 5/9 Secondary reference Crosby Group Inc the Mckissick Plant Div |
NSN 3020-01-386-4144 is a Pulley Assembly, manufactured by The Crosby Group Llc Dba the Crosby Group, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-386-4144 has 1 manufacturer part number on file: 8003555 (The Crosby Group Llc Dba the Crosby Group).
Key specifications for 8003555: General Characteristics Item Description: INCLUDES 18.0 IN.OD WIRE ROPE PULLEY,HOUSING ASSEMBLY,BEARING ASSY,2 SEALS,2 CAP SCREWS,2 NUTS,2 WASHERS,2 BEARINGS,1 PIN AND 1 GREASE ZERK 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.