The Sheave Subassembly, cataloged under National Stock Number 3020-01-010-0423, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. Government technical data includes 7 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3020-01-010-0423 |
| Item Name | Sheave Subassembly |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Status | ACTIVE |
| Overall Diameter | 17.810 INCHES NOMINAL IN |
| General Characteristics Item Description | 29.125 IN. OD,2.510 IN. THK,17.810 IN. BORE DIA IN |
| Special Test Features | ITEM IS A COMPONENT OF SHEAVE ASSEMBLY-COINED ARRESTING ENGINE, 1 7/16" DIAMETER CABLE 28PD |
| Supplementary Features | MEASUREMENT OF DIAMETER SHALL BE CHECKED WHEN THE PART IS AT A TEMPERATURE OF 65 DEGREES FAHRENHEIT TO 75 DEGREES FAHRENHEIT |
| Criticality Code Justification | FEAT |
| Specification/standard Data | 05047-ASME Y14.5M-1982 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Unpackaged Unit Weight | 87.0 POUNDS LBS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | S |
| Reference | Meaning |
|---|---|
| 517739-2 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3020-01-010-0423 is a Sheave Subassembly, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
Key specifications for 3020-01-010-0423: Overall Diameter: 17.810 INCHES NOMINAL IN; General Characteristics Item Description: 29.125 IN. OD,2.510 IN. THK,17.810 IN. BORE DIA IN; Special Test Features: ITEM IS A COMPONENT OF SHEAVE ASSEMBLY-COINED ARRESTING ENGINE, 1 7/16" DIAMETER CABLE 28PD; Supplementary Features: MEASUREMENT OF DIAMETER SHALL BE CHECKED WHEN THE PART IS AT A TEMPERATURE OF 65 DEGREES FAHRENHEIT TO 75 DEGREES FAHRENHEIT. 7 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.
NSN 3020-01-010-0423 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.