The Pulley,groove, cataloged under National Stock Number 3020-01-308-0757, 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 Pacific Mfg Corp. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-308-0757 |
| Primary Part Number | RC5979 |
| Item Name | Pulley,groove |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Pacific Mfg Corp |
| 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 |
|---|---|
| 50750-H PIECE 11 | Continental Emsco Co Skagit Products Div (USA) |
| RC5979 PRIMARY | Pacific Mfg Corp (USA) |
| Reference | Meaning |
|---|---|
| RC5979 | 5/9 Secondary reference Continental Emsco Co Skagit Products Div |
| 50750-H | D/9 Drawing number reference only Continental Emsco Co Skagit Products Div |
| RC5979 | 5/9 Secondary reference Pacific Mfg Corp |
NSN 3020-01-308-0757 is a Pulley,groove, manufactured by Pacific Mfg Corp, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-308-0757 has 2 manufacturer part numbers on file: 50750-H PIECE 11 (Continental Emsco Co Skagit Products Div), RC5979 (Pacific Mfg Corp).
Key specifications for RC5979: 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.