The Pulley,groove, cataloged under National Stock Number 3020-01-560-8493, 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 Advanced Machining and Tooling, Llc. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-560-8493 |
| Primary Part Number | 517789-7 |
| Item Name | Pulley,groove |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Advanced Machining and Tooling, Llc |
| Status | ACTIVE |
| Groove Shape | U |
| Groove Quantity | 1 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | S |
| Part Number | Manufacturer |
|---|---|
| 517789-7 | Advanced Machining and Tooling, Llc (USA) |
| 517789-7 | Advance Development & Manufacturing Corporation Dba Advance Development & Manufacturing (USA) |
| 517789-7 | Form Fit & Function Llc Div F3 (USA) |
| 517789-7 | Rock Island Arsenal (USA) |
| Reference | Meaning |
|---|---|
| 517789-7 | 3/2 Design control — primary reference U.S. Government activity |
| 517789-7 | 5/9 Secondary reference Army, United States Department of the Dba Rock Island Arsenal Jmtc |
| 517789 | 5/9 Secondary reference Army, United States Department of the Dba Rock Island Arsenal Jmtc |
NSN 3020-01-560-8493 is a Pulley,groove, manufactured by Advanced Machining and Tooling, Llc, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-560-8493 has 4 manufacturer part numbers on file: 517789-7 (Advanced Machining and Tooling, Llc), 517789-7 (Advance Development & Manufacturing Corporation Dba Advance Development & Manufacturing), 517789-7 (Form Fit & Function Llc Div F3), 517789-7 (Rock Island Arsenal).
Key specifications for 517789-7: Groove Shape: U; Groove Quantity: 1; Special Features: INAVY: SHEAVE SUB-ASSY; End Item Identification: USED ON SHEAVE ASSEMBLY. 2 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.