The Pulley,groove, cataloged under National Stock Number 3020-00-948-9838, 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 Caterpillar Inc Div Caterpillar Defense. 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 | 3020-00-948-9838 |
| Primary Part Number | 5M6532 |
| Item Name | Pulley,groove |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Caterpillar Inc Div Caterpillar Defense |
| Status | ACTIVE |
| Integral Cooling Vane | NOT INCLUDED |
| Hub Outside Diameter | 4.468 INCHES NOMINAL AA END IN |
| Hub Outside Diameter | 6.135 INCHES NOMINAL BB END IN |
| Bore Feature | INCLUDED |
| Taper Bore Minor Diameter | 2.770 INCHES NOMINAL IN |
| Split Hub Feature | NOT INCLUDED |
| Bore Length | 4.250 INCHES NOMINAL IN |
| Design Form | PLAIN |
| Unable to Decode | UNABLE TO DECODE |
| First Step Face Largest Diameter and Location | 4.940 INCHES NOMINAL BOTH ENDS IN |
| Groove Shape | V |
| Outside Diameter | 12.750 INCHES NOMINAL IN |
| Keying Facility Type | KEYWAY |
| Taper Major Diameter Location | AA END |
| Quantity | 1 |
| Style Designator | WEBBED OR SPOKED |
| Pitch Diameter | 12.6250 INCHES NOMINAL IN |
| Groove Depth | 0.875 INCHES NOMINAL IN |
| Bore Type | TAPERED |
| Bearings | NOT INCLUDED |
| Counterbore Depth | 1.450 INCHES NOMINAL IN |
| Groove Quantity | 2 |
| Counterbore Location | BB END |
| Taper Bore Major Diameter | 3.115 INCHES NOMINAL IN |
| V Groove Angle in Deg | 34.0 |
| Protruding Hub Characteristic | PLAIN |
| Counterbore Diameter | 4.000 INCHES NOMINAL IN |
| Distance From Center of Bore to Bottom of Keyway | 1.793 INCHES NOMINAL IN |
| Unable to Decode | UNABLE TO DECODE |
| 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 |
|---|---|
| 5M6532 PRIMARY | Caterpillar Inc Div Caterpillar Defense (USA) |
NSN 3020-00-948-9838 is a Pulley,groove, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-948-9838 has 1 manufacturer part number on file: 5M6532 (Caterpillar Inc Div Caterpillar Defense).
Key specifications for 5M6532: Integral Cooling Vane: NOT INCLUDED; Hub Outside Diameter: 4.468 INCHES NOMINAL AA END IN; Hub Outside Diameter: 6.135 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.