The Pulley,flat, cataloged under National Stock Number 3020-01-353-0776, 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 Grove U.s. Llc Dba Grove Us Llc. Government technical data includes 24 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-353-0776 |
| Primary Part Number | 6-718-000553 |
| Item Name | Pulley,flat |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Grove U.s. Llc Dba Grove Us Llc |
| Status | ACTIVE |
| Integral Cooling Vane | NOT INCLUDED |
| Bore Feature | INCLUDED |
| Split Hub Feature | NOT INCLUDED |
| Bore Length | 1.750 INCHES NOMINAL IN |
| Design Form | PLAIN |
| Flange Quantity | 2 |
| Outside Diameter | 3.875 INCHES NOMINAL IN |
| Shaft Size for Which Designed | 1.495 INCHES MINIMUM AND 1.496 INCHES MAXIMUM IN |
| Criticality Code Justification | FEAT |
| Style Designator | PLAIN |
| Material Document and Classification | SAE 4140 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 3.875 INCHES NOMINAL IN |
| Rim Type | SOLID |
| Bore Type | STRAIGHT |
| Bearings | NOT INCLUDED |
| Keying Facility | NOT INCLUDED |
| Flange Width | 0.120 INCHES NOMINAL IN |
| Counterbore Feature | NOT INCLUDED |
| Bore Diameter | 1.495 INCHES MINIMUM AND 1.496 INCHES MAXIMUM IN |
| Material | STEEL COMP 4140 OVERALL |
| Flange Location | OUTSIDE |
| Crown Face | NOT INCLUDED |
| Face Width | 1.750 INCHES NOMINAL IN |
| Lightening Hole | NOT INCLUDED |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| 2HG63 | Oshkosh Defense Llc (USA) |
| 6-718-000553 PRIMARY | Grove U.s. Llc Dba Grove Us Llc (USA) |
| Reference | Meaning |
|---|---|
| 2HG63 | 5/9 Secondary reference Oshkosh Corp |
NSN 3020-01-353-0776 is a Pulley,flat, manufactured by Grove U.s. Llc Dba Grove Us Llc, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-353-0776 has 2 manufacturer part numbers on file: 2HG63 (Oshkosh Defense Llc), 6-718-000553 (Grove U.s. Llc Dba Grove Us Llc).
Key specifications for 6-718-000553: Integral Cooling Vane: NOT INCLUDED; Bore Feature: INCLUDED; Split Hub Feature: NOT INCLUDED; Bore Length: 1.750 INCHES NOMINAL IN. 24 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.