The Pulley,groove, cataloged under National Stock Number 3020-01-078-9195, 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 Roller Bearing Co of America, Inc Div Pic Design. Government technical data includes 29 specifications, 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-078-9195 |
| Primary Part Number | FC4-15 |
| Item Name | Pulley,groove |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Roller Bearing Co of America, Inc Div Pic Design |
| Status | ACTIVE |
| Integral Cooling Vane | NOT INCLUDED |
| Hub Outside Diameter | 0.3750 INCHES NOMINAL AA END IN |
| Bore Feature | INCLUDED |
| Securing Method | SETSCREW AND PIN(S) |
| Split Hub Feature | NOT INCLUDED |
| Bore Length | 0.406 INCHES NOMINAL IN |
| Design Form | PLAIN |
| Groove Radius | 0.046875 INCHES NOMINAL IN |
| Groove Shape | U |
| Outside Diameter | 0.5310 INCHES NOMINAL IN |
| Style Designator | PLAIN |
| Material Document and Classification | TEMPER T4, ALUMINUM ASSOCIATION ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Groove Depth | 0.0780 INCHES NOMINAL IN |
| Bore Type | STRAIGHT |
| Bearings | NOT INCLUDED |
| Groove Quantity | 1 |
| Protruding Hub Characteristic | PLAIN |
| Unable to Decode | UNABLE TO DECODE |
| Surface Treatment | ANODIZE |
| Distance From Outside Flange/rim to Hub End and Location | 0.2190 INCHES NOMINAL AA END IN |
| Counterbore Feature | NOT INCLUDED |
| Bore Diameter | 0.1873 INCHES MINIMUM AND 0.1878 INCHES MAXIMUM IN |
| Material | ALUMINUM ALLOY 2024 OVERALL |
| Unable to Decode | UNABLE TO DECODE |
| Face Width | 0.1870 INCHES NOMINAL IN |
| Groove Width | 0.09375 INCHES NOMINAL IN |
| Furnished Items and Quantity | SETSCREW NO.4-40,1EA |
| Securing Location | AA END |
| 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 |
|---|---|
| FC4-15 PRIMARY | Roller Bearing Co of America, Inc Div Pic Design (USA) |
NSN 3020-01-078-9195 is a Pulley,groove, manufactured by Roller Bearing Co of America, Inc Div Pic Design, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-078-9195 has 1 manufacturer part number on file: FC4-15 (Roller Bearing Co of America, Inc Div Pic Design).
Key specifications for FC4-15: Integral Cooling Vane: NOT INCLUDED; Hub Outside Diameter: 0.3750 INCHES NOMINAL AA END IN; Bore Feature: INCLUDED; Securing Method: SETSCREW AND PIN(S). 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.