The Pulley,groove, cataloged under National Stock Number 3020-01-308-0756, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. Government technical data includes 14 specifications, cited from the U.S. Government catalog. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 3020-01-308-0756 |
| Item Name | Pulley,groove |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Status | ACTIVE |
| Integral Cooling Vane | NOT INCLUDED |
| Hub Outside Diameter | 3.480 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 |
| Reference | Meaning |
|---|---|
| 50750-H PIECE 2 | 5/9 Secondary reference Oil States Industries, Inc. Div Oilstates Skagit Smatco |
| RC6000 | 5/9 Secondary reference Oil States Industries, Inc. Div Oilstates Skagit Smatco |
| 50750-H | D/9 Drawing number reference only Continental Emsco Co Skagit Products Div |
| 50750-H PIECE 2 | 5/9 Secondary reference Continental Emsco Co Skagit Products Div |
| RC6000 | 3/9 Design control — primary reference Continental Emsco Co Skagit Products Div |
| RC-6000-H | D/9 Drawing number reference only Continental Emsco Co Skagit Products Div |
NSN 3020-01-308-0756 is a Pulley,groove, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 3020-01-308-0757. Verify interchangeability with system specifications before substitution.
Key specifications for 3020-01-308-0756: Integral Cooling Vane: NOT INCLUDED; Hub Outside Diameter: 3.480 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.