The Pulley,groove, cataloged under National Stock Number 3020-01-438-5310, 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 Perkins Engines Inc. 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 | 3020-01-438-5310 |
| Primary Part Number | 3114V011 |
| Item Name | Pulley,groove |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Perkins Engines Inc |
| Status | ACTIVE |
| Integral Cooling Vane | NOT INCLUDED |
| Hub Outside Diameter | 60.325 MILLIMETERS MINIMUM AND 60.452 MILLIMETERS MAXIMUM BB END MM |
| Bore Feature | INCLUDED |
| Third Step Length and Location | 8.75 MILLIMETERS MINIMUM BB END AND 9.00 MILLIMETERS MAXIMUM BB END MM |
| Securing Method | THREADED HOLE(S) |
| Split Hub Feature | NOT INCLUDED |
| Design Form | WEBBED |
| Unable to Decode | UNABLE TO DECODE AND UNABLE TO DECODE |
| Web/spoke Relationship to Face Centerline | OFFSET |
| First Step Face Largest Diameter and Location | 78.64 MILLIMETERS MINIMUM BB END AND 78.79 MILLIMETERS MAXIMUM BB END MM |
| Second Step Face Largest Diameter and Location | 83.0 MILLIMETERS NOMINAL BB END MM |
| Groove Shape | V |
| Outside Diameter | 193.5 MILLIMETERS NOMINAL MM |
| Spline Length | 28.5 MILLIMETERS NOMINAL MM |
| Second Step Length | 6.0 MILLIMETERS NOMINAL BB END MM |
| Style Designator | WEBBED OR SPOKED |
| Pitch Diameter | 190.5 MILLIMETERS NOMINAL MM |
| Spline Major Diameter | 48.043 MILLIMETERS MINIMUM AND 48.151 MILLIMETERS MAXIMUM MM |
| Bore Type | INVOLUTE SPLINE |
| Bearings | NOT INCLUDED |
| Groove Quantity | 1 |
| V Groove Angle in Deg | 36.0 |
| Protruding Hub Characteristic | STEPPED |
| Unable to Decode | UNABLE TO DECODE AND UNABLE TO DECODE |
| First Step Length | 22.50 MILLIMETERS MINIMUM AND 22.75 MILLIMETERS MAXIMUM BB END MM |
| Securing Hole Quantity | 4 |
| Thread Size | 7/16-20 |
| Unable to Decode | UNABLE TO DECODE AND UNABLE TO DECODE |
| Distance From Outside Flange/rim to Hub End and Location | 4.8 MILLIMETERS NOMINAL AA END AND 37.5 MILLIMETERS NOMINAL BB END MM |
| 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 |
|---|---|
| 3114V011 PRIMARY | Perkins Engines Inc (USA) |
NSN 3020-01-438-5310 is a Pulley,groove, manufactured by Perkins Engines Inc, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-438-5310 has 1 manufacturer part number on file: 3114V011 (Perkins Engines Inc).
Key specifications for 3114V011: Integral Cooling Vane: NOT INCLUDED; Hub Outside Diameter: 60.325 MILLIMETERS MINIMUM AND 60.452 MILLIMETERS MAXIMUM BB END MM; Bore Feature: INCLUDED; Third Step Length and Location: 8.75 MILLIMETERS MINIMUM BB END AND 9.00 MILLIMETERS MAXIMUM BB END MM. 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.