The Pulley,groove, cataloged under National Stock Number 3020-01-167-4513, 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 Naval Sea Systems Command. 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 | 3020-01-167-4513 |
| Primary Part Number | 5428478 |
| Item Name | Pulley,groove |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Integral Cooling Vane | NOT INCLUDED |
| Bore Feature | INCLUDED |
| Taper Bore Minor Diameter | 0.311 INCHES NOMINAL IN |
| Securing Method | THREADED HOLE(S) |
| Split Hub Feature | NOT INCLUDED |
| Bore Length | 2.030 INCHES NOMINAL IN |
| Design Form | PLAIN |
| Groove Shape | V |
| Outside Diameter | 4.280 INCHES NOMINAL IN |
| Keying Facility Type | KEYWAY |
| Quantity | 1 |
| Style Designator | PLAIN |
| Material Document and Classification | QQ-S-766, CLASS 321, COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Pitch Diameter | 3.984 INCHES NOMINAL IN |
| Groove Depth | 0.395 INCHES NOMINAL IN |
| Bore Type | TAPERED |
| Bearings | NOT INCLUDED |
| Counterbore Depth | 0.050 INCHES NOMINAL IN |
| Groove Quantity | 3 |
| Counterbore Location | AA END |
| Taper Bore Major Diameter | 1.198 INCHES NOMINAL IN |
| V Groove Angle in Deg | 38.0 |
| Protruding Hub Characteristic | PLAIN |
| Counterbore Diameter | 2.281 INCHES NOMINAL IN |
| Distance From Center of Bore to Bottom of Keyway | 0.735 INCHES NOMINAL IN |
| Securing Hole Quantity | 3 |
| Bolt Circle Diameter | 0.060 INCHES NOMINAL IN |
| Thread Size | 5/8-16 |
| Keyway Width | 0.253 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 3020-01-167-4513 is a Pulley,groove, manufactured by Naval Sea Systems Command, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-167-4513 has 2 manufacturer part numbers on file: 5428478 (Naval Sea Systems Command), 5428478 (Goriziane Group Spa).
Key specifications for 5428478: Integral Cooling Vane: NOT INCLUDED; Bore Feature: INCLUDED; Taper Bore Minor Diameter: 0.311 INCHES NOMINAL IN; Securing Method: THREADED HOLE(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.