The Pulley,groove, cataloged under National Stock Number 3020-00-248-8917, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. Government technical data includes 29 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-248-8917 |
| Item Name | Pulley,groove |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Status | ACTIVE |
| Integral Cooling Vane | NOT INCLUDED |
| Hub Outside Diameter | 0.559 INCHES MINIMUM AND 0.562 INCHES MAXIMUM AA END IN |
| Bore Feature | INCLUDED |
| Securing Method | CLAMP |
| Split Hub Feature | INCLUDED |
| Bore Length | 0.593 INCHES NOMINAL IN |
| Design Form | PLAIN |
| Groove Shape | V |
| Outside Diameter | 1.954 INCHES MINIMUM AND 1.956 INCHES MAXIMUM IN |
| Criticality Code Justification | ABXV |
| Hub Split Location | THROUGH BOTH WALLS |
| Style Designator | PLAIN |
| Material Document and Classification | QQ-S-764,CLASS 303,CONDITION A,COLD FINISHED FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Pitch Diameter | 1.705 INCHES NOMINAL IN |
| Groove Depth | 0.086 INCHES NOMINAL IN |
| Bore Type | STRAIGHT |
| Bearings | NOT INCLUDED |
| Groove Quantity | 1 |
| V Groove Angle in Deg | 62.0 |
| Unable to Decode | UNABLE TO DECODE AND UNABLE TO DECODE |
| Surface Treatment | PASSIVATE |
| Distance From Outside Flange/rim to Hub End and Location | 0.343 INCHES NOMINAL AA END IN |
| Counterbore Feature | NOT INCLUDED |
| Bore Diameter | 0.3750 INCHES MINIMUM AND 0.3755 INCHES MAXIMUM IN |
| Material | STEEL COMP 303 OVERALL |
| Unable to Decode | UNABLE TO DECODE |
| Clamping Bolt Quantity | 1 |
| Face Width | 0.250 INCHES NOMINAL IN |
| Groove Width | 0.108 INCHES MINIMUM AND 0.112 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Reference | Meaning |
|---|---|
| 624-4036-001 | 3/9 Design control — primary reference Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems |
NSN 3020-00-248-8917 is a Pulley,groove, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
Key specifications for 3020-00-248-8917: Integral Cooling Vane: NOT INCLUDED; Hub Outside Diameter: 0.559 INCHES MINIMUM AND 0.562 INCHES MAXIMUM AA END IN; Bore Feature: INCLUDED; Securing Method: CLAMP. 29 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.