The Pulley,groove, cataloged under National Stock Number 3020-01-115-9522, 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 28 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-115-9522 |
| Primary Part Number | 8-52-140-11 |
| 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 | NOT INCLUDED |
| Third Step Length and Location | 0.833 INCHES NOMINAL AA END IN |
| Split Hub Feature | NOT INCLUDED |
| Design Form | PLAIN |
| Unable to Decode | UNABLE TO DECODE |
| First Step Face Largest Diameter and Location | 0.627 INCHES NOMINAL AA END AND 0.875 INCHES NOMINAL BB END IN |
| Second Step Face Largest Diameter and Location | 0.875 INCHES NOMINAL AA END IN |
| Groove Radius | 0.200 INCHES NOMINAL IN |
| Groove Shape | U |
| Outside Diameter | 1.437 INCHES NOMINAL IN |
| Distance From Outside Flange/rim to Hub End and Location | 2.551 INCHES NOMINAL AA END AND 1.812 INCHES NOMINAL BB END IN |
| Second Step Length | 1.240 INCHES NOMINAL AA END IN |
| Second Step Length | 1.292 INCHES NOMINAL BB END IN |
| Style Designator | PLAIN |
| Groove Depth | 0.356 INCHES NOMINAL IN |
| Groove Quantity | 7 |
| Protruding Hub Characteristic | STEPPED |
| Unable to Decode | UNABLE TO DECODE AND UNABLE TO DECODE |
| First Step Length | 0.520 INCHES NOMINAL BB END IN |
| First Step Length | 0.478 INCHES NOMINAL AA END IN |
| Unable to Decode | UNABLE TO DECODE |
| Distance From Outside Flange/rim to Hub End and Location | 2.551 INCHES NOMINAL AA END AND 1.812 INCHES NOMINAL BB END IN |
| Material | STEEL CORROSION RESISTING OVERALL |
| Face Width | 3.750 INCHES NOMINAL IN |
| Groove Width | 0.400 INCHES NOMINAL IN |
| Lightening Hole | NOT INCLUDED |
| Unable to Decode | UNABLE TO DECODE AND 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 |
|---|---|
| 8-52-140-11 | E.a. Patten Co Llc (USA) |
| 8-52-140-11 | Ama Hardware Specialty Company (USA) |
| 8-52-140-11 | F. H. Peterson Machine Corporation Dba Fh Peterson Machine Corp (USA) |
| 8-52-140-11 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 8-52-140-11 | 5/9 Secondary reference Illinois Tool Wks Inc Linac Div |
| 8-52T-01 ITEM 32 | 5/9 Secondary reference Itw Heartland Components Inc |
| 8-52-140-11 | 3/9 Design control — primary reference Itw Heartland Components Inc |
| 8-52T01 ITEM 32 | 5/9 Secondary reference Illinois Tool Wks Inc Linac Div |
| 8-52-140 | D/9 Drawing number reference only Illinois Tool Wks Inc Linac Div |
| 8-52-140-11 | 5/2 Secondary reference U.S. Government activity |
NSN 3020-01-115-9522 is a Pulley,groove, manufactured by Naval Sea Systems Command, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-115-9522 has 4 manufacturer part numbers on file: 8-52-140-11 (E.a. Patten Co Llc), 8-52-140-11 (Ama Hardware Specialty Company), 8-52-140-11 (F. H. Peterson Machine Corporation Dba Fh Peterson Machine Corp), 8-52-140-11 (Naval Sea Systems Command).
Key specifications for 8-52-140-11: Integral Cooling Vane: NOT INCLUDED; Bore Feature: NOT INCLUDED; Third Step Length and Location: 0.833 INCHES NOMINAL AA END IN; Split Hub Feature: NOT INCLUDED. 28 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.