The Pulley,groove, cataloged under National Stock Number 3020-01-315-4110, 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 Textron Systems Corp. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-315-4110 |
| Primary Part Number | 5749852-001 |
| Item Name | Pulley,groove |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Textron Systems Corp |
| Status | ACTIVE |
| Integral Cooling Vane | NOT INCLUDED |
| Hub Outside Diameter | 2.300 INCHES NOMINAL BOTH ENDS IN |
| Bore Feature | INCLUDED |
| Bearing Quantity | 2 |
| Securing Method | DRILLED HOLE |
| Split Hub Feature | NOT INCLUDED |
| Bore Length | 1.125 INCHES NOMINAL IN |
| Design Form | PLAIN |
| Groove Radius | 0.265 INCHES NOMINAL IN |
| Groove Shape | U |
| Outside Diameter | 15.620 INCHES NOMINAL IN |
| Style Designator | PLAIN |
| Groove Depth | 0.370 INCHES NOMINAL IN |
| Bore Type | STRAIGHT |
| Bearings | INCLUDED |
| Groove Quantity | 1 |
| Protruding Hub Characteristic | PLAIN |
| Securing Hole Quantity | 4 |
| Bolt Circle Diameter | 8.300 INCHES NOMINAL IN |
| Drilled Hole Diameter | 3.000 INCHES NOMINAL IN |
| Bearing Type | FLANGED |
| Unable to Decode | UNABLE TO DECODE |
| Distance From Outside Flange/rim to Hub End and Location | 0.315 INCHES NOMINAL BOTH ENDS IN |
| Hole Location | EQUALLY SPACED ON SURFACE |
| Counterbore Feature | NOT INCLUDED |
| Bore Diameter | 1.189 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY OVERALL |
| Unable to Decode | UNABLE TO DECODE |
| Face Width | 0.900 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 |
| Part Number | Manufacturer |
|---|---|
| 5749852-001 PRIMARY | Textron Systems Corp (USA) |
| Reference | Meaning |
|---|---|
| 5749852-001 | 5/9 Secondary reference Naval Sea Systems Command |
| 5749852 | D/9 Drawing number reference only Naval Sea Systems Command |
NSN 3020-01-315-4110 is a Pulley,groove, manufactured by Textron Systems Corp, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-315-4110 has 1 manufacturer part number on file: 5749852-001 (Textron Systems Corp).
1 possible match (shared part number, not a government interchangeability claim): 3020-01-377-4077. Verify interchangeability with system specifications before substitution.
Key specifications for 5749852-001: Integral Cooling Vane: NOT INCLUDED; Hub Outside Diameter: 2.300 INCHES NOMINAL BOTH ENDS IN; Bore Feature: INCLUDED; Bearing Quantity: 2. 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.