The Pulley,groove, cataloged under National Stock Number 3020-01-391-8328, 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 Excel Industries, Inc Dba Excel Industries of Kansas Div Government Sales. 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. 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 | 3020-01-391-8328 |
| Primary Part Number | 007971 |
| Item Name | Pulley,groove |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Excel Industries, Inc Dba Excel Industries of Kansas Div Government Sales |
| Status | ACTIVE |
| Material | STEEL OVERALL |
| 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 |
|---|---|
| 007971 PRIMARY | Excel Industries, Inc Dba Excel Industries of Kansas Div Government Sales (USA) |
NSN 3020-01-391-8328 is a Pulley,groove, manufactured by Excel Industries, Inc Dba Excel Industries of Kansas Div Government Sales, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-391-8328 has 1 manufacturer part number on file: 007971 (Excel Industries, Inc Dba Excel Industries of Kansas Div Government Sales).
1 possible match (shared part number, not a government interchangeability claim): 5935-01-674-1475. Verify interchangeability with system specifications before substitution.
Key specifications for 007971: Material: STEEL OVERALL. 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.