The Pulley,groove, cataloged under National Stock Number 3020-01-308-0755, 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 Continental Emsco Co Skagit Products Div. Government technical data includes 14 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-308-0755 |
| Primary Part Number | RC5956 |
| Item Name | Pulley,groove |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Continental Emsco Co Skagit Products Div |
| Status | ACTIVE |
| Integral Cooling Vane | NOT INCLUDED |
| Hub Outside Diameter | 3.500 INCHES NOMINAL BOTH ENDS IN |
| Split Hub Feature | NOT INCLUDED |
| Design Form | WEBBED |
| Web/spoke Relationship to Face Centerline | NOT OFFSET |
| Groove Shape | U |
| Outside Diameter | 6.250 INCHES NOMINAL IN |
| Style Designator | WEBBED OR SPOKED |
| Groove Depth | 0.438 INCHES NOMINAL IN |
| Groove Quantity | 1 |
| Unable to Decode | UNABLE TO DECODE |
| Material | STEEL OVERALL |
| Face Width | 1.562 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 | X |
| Part Number | Manufacturer |
|---|---|
| RC5956 PRIMARY | Continental Emsco Co Skagit Products Div (USA) |
| 50746-H PIECE 8 | Continental Emsco Co Skagit Products Div (USA) |
| Reference | Meaning |
|---|---|
| 50746-H | D/9 Drawing number reference only Continental Emsco Co Skagit Products Div |
| RC-5956-H | D/9 Drawing number reference only Continental Emsco Co Skagit Products Div |
NSN 3020-01-308-0755 is a Pulley,groove, manufactured by Continental Emsco Co Skagit Products Div, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-308-0755 has 2 manufacturer part numbers on file: RC5956 (Continental Emsco Co Skagit Products Div), 50746-H PIECE 8 (Continental Emsco Co Skagit Products Div).
Key specifications for RC5956: Integral Cooling Vane: NOT INCLUDED; Hub Outside Diameter: 3.500 INCHES NOMINAL BOTH ENDS IN; Split Hub Feature: NOT INCLUDED; Design Form: WEBBED. 14 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.