The Pulley,groove, cataloged under National Stock Number 3020-01-377-4077, 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 26 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-377-4077 |
| Primary Part Number | 5749852REVLJ-007 |
| 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 |
| Hub Outside Diameter | 2.300 INCHES NOMINAL BOTH ENDS IN |
| Bore Feature | INCLUDED |
| Bearing Quantity | 2 |
| Split Hub Feature | NOT INCLUDED |
| Bore Length | 1.250 INCHES NOMINAL IN |
| Design Form | WEBBED |
| Web/spoke Relationship to Face Centerline | NOT OFFSET |
| Groove Radius | 0.234 INCHES NOMINAL IN |
| Groove Shape | U |
| Outside Diameter | 15.620 INCHES NOMINAL IN |
| Style Designator | WEBBED OR SPOKED |
| Groove Depth | 0.370 INCHES NOMINAL IN |
| Bore Type | STRAIGHT |
| Bearings | INCLUDED |
| Groove Quantity | 1 |
| Bearing Type | FLANGED |
| Unable to Decode | UNABLE TO DECODE |
| Distance From Outside Flange/rim to Hub End and Location | 0.175 INCHES NOMINAL BOTH ENDS IN |
| 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 |
| Groove Width | 0.776 INCHES NOMINAL IN |
| Lightening Hole | INCLUDED |
| 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 |
|---|---|
| 5749852REVLJ-007 | Naval Sea Systems Command (USA) |
| 584-5749852LJ-007 | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 5749852 | D/9 Drawing number reference only Naval Sea Systems Command |
| 5749852-007 | 3/9 Design control — primary reference Avondale Gulfport Marine Inc Sub of Avondale Industries Inc |
NSN 3020-01-377-4077 is a Pulley,groove, manufactured by Naval Sea Systems Command, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-377-4077 has 2 manufacturer part numbers on file: 5749852REVLJ-007 (Naval Sea Systems Command), 584-5749852LJ-007 (Naval Sea Systems Command).
Key specifications for 5749852REVLJ-007: Integral Cooling Vane: NOT INCLUDED; Hub Outside Diameter: 2.300 INCHES NOMINAL BOTH ENDS IN; Bore Feature: INCLUDED; Bearing Quantity: 2. 26 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.