The Pulley,groove, cataloged under National Stock Number 3020-01-655-8620, 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 Allied Systems Company Dba Allied Systems Co. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-655-8620 |
| Primary Part Number | 70839 |
| Item Name | Pulley,groove |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Allied Systems Company Dba Allied Systems Co |
| Status | ACTIVE |
| 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 |
|---|---|
| 70839 PRIMARY | Allied Systems Company Dba Allied Systems Co (USA) |
NSN 3020-01-655-8620 is a Pulley,groove, manufactured by Allied Systems Company Dba Allied Systems Co, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-655-8620 has 1 manufacturer part number on file: 70839 (Allied Systems Company Dba Allied Systems Co).
1 possible match (shared part number, not a government interchangeability claim): 6515-01-682-4442. Verify interchangeability with system specifications before substitution.
Key specifications for 70839: Part Name Assigned by Controlling Agency: SHEAVE; End Item Identification: 2030-01-630-6132; DUAL POINT DAVIT; DDP11000CTS SP2200. 0 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.