The Pulley,groove, cataloged under National Stock Number 3020-01-089-1099, 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 Curtiss-Wright Flow Control Service, Llc Dba Engineered Arresting Systems - Esco Div Cw Flow Control Svc Llc Dba. Government technical data includes 29 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-089-1099 |
| Primary Part Number | 52E768-39 |
| Item Name | Pulley,groove |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Curtiss-Wright Flow Control Service, Llc Dba Engineered Arresting Systems - Esco Div Cw Flow Control Svc Llc Dba |
| Status | ACTIVE |
| Integral Cooling Vane | NOT INCLUDED |
| Hub Outside Diameter | 0.750 INCHES NOMINAL AA END IN |
| Hub Outside Diameter | 0.625 INCHES NOMINAL BB END IN |
| Bore Feature | INCLUDED |
| Securing Method | THREADED HOLE(S) |
| Split Hub Feature | NOT INCLUDED |
| Bore Length | 0.875 INCHES NOMINAL IN |
| Design Form | PLAIN |
| Unable to Decode | UNABLE TO DECODE |
| First Step Face Largest Diameter and Location | 1.020 INCHES NOMINAL BB END IN |
| Groove Shape | V |
| Outside Diameter | 1.500 INCHES NOMINAL IN |
| Distance From Outside Flange/rim to Hub End and Location | 0.062 INCHES NOMINAL BB END IN |
| Second Step Length | 0.031 INCHES NOMINAL BB END IN |
| Style Designator | PLAIN |
| Pitch Diameter | 1.400 INCHES NOMINAL IN |
| Groove Depth | 0.281 INCHES NOMINAL IN |
| Bore Type | STRAIGHT |
| Bearings | NOT INCLUDED |
| Groove Quantity | 1 |
| V Groove Angle in Deg | 30.0 |
| Protruding Hub Characteristic | PLAIN OR STEPPED |
| Unable to Decode | UNABLE TO DECODE |
| First Step Length | 0.031 INCHES NOMINAL BB END IN |
| Securing Hole Quantity | 1 |
| Thread Size | 0.190-24 |
| Unable to Decode | UNABLE TO DECODE |
| Distance From Outside Flange/rim to Hub End and Location | 0.406 INCHES NOMINAL AA END IN |
| Hole Location | CENTERED 0.2031 IN. FROM END OF HUB IN |
| 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 |
|---|---|
| 6Z10-0121510 | Designatronics Inc Div Stock Drive Products (USA) |
| 52E768-39 PRIMARY | Curtiss-Wright Flow Control Service, Llc Dba Engineered Arresting Systems - Esco Div Cw Flow Control Svc Llc Dba (USA) |
NSN 3020-01-089-1099 is a Pulley,groove, manufactured by Curtiss-Wright Flow Control Service, Llc Dba Engineered Arresting Systems - Esco Div Cw Flow Control Svc Llc Dba, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-089-1099 has 2 manufacturer part numbers on file: 6Z10-0121510 (Designatronics Inc Div Stock Drive Products), 52E768-39 (Curtiss-Wright Flow Control Service, Llc Dba Engineered Arresting Systems - Esco Div Cw Flow Control Svc Llc Dba).
Key specifications for 52E768-39: Integral Cooling Vane: NOT INCLUDED; Hub Outside Diameter: 0.750 INCHES NOMINAL AA END IN; Hub Outside Diameter: 0.625 INCHES NOMINAL BB END IN; Bore Feature: INCLUDED. 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.