The Sprocket Wheel, cataloged under National Stock Number 3020-01-373-0189, 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 21 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-373-0189 |
| Primary Part Number | 5855632 |
| Item Name | Sprocket Wheel |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Securing Method | DRILLED HOLE |
| Bore Length | 0.188 INCHES NOMINAL IN |
| Design Form | PLAIN |
| Tooth Pitch | 0.147 INCHES NOMINAL IN |
| Outside Diameter | 2.875 INCHES NOMINAL IN |
| Style Designator | PLAIN |
| Material Document and Classification | AISI 303 ASSN STD SINGLE MATERIAL RESPONSE |
| Pitch Diameter | 2.8170 INCHES NOMINAL IN |
| Bore Type | STRAIGHT |
| Teeth Row Quantity | 1 |
| Teeth Quantity Per Row | 60 |
| Protruding Hub Characteristic | PLAIN |
| Hardness Rating Test Method | NOT RATED |
| Securing Hole Quantity | 4 |
| Bolt Circle Diameter | 2.250 INCHES NOMINAL IN |
| Drilled Hole Diameter | 0.144 INCHES NOMINAL IN |
| Hole Location | AXIALLY THROUGH SPROCKET BODY |
| Bore Diameter | 1.625 INCHES NOMINAL IN |
| Material | STEEL COMP 303 |
| Face Width | 0.064 INCHES NOMINAL IN |
| Securing Location | BOTH ENDS |
| 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 |
|---|---|
| 5855632 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 14LP5S-60 | 5/9 Secondary reference W. M. Berg, Inc. |
NSN 3020-01-373-0189 is a Sprocket Wheel, manufactured by Naval Sea Systems Command, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-373-0189 has 1 manufacturer part number on file: 5855632 (Naval Sea Systems Command).
Key specifications for 5855632: Securing Method: DRILLED HOLE; Bore Length: 0.188 INCHES NOMINAL IN; Design Form: PLAIN; Tooth Pitch: 0.147 INCHES NOMINAL IN. 21 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.