The Gear,helical, cataloged under National Stock Number 3020-00-319-4764, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Naval Ship Systems Command. Government technical data includes 20 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 21 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-319-4764 |
| Primary Part Number | DE155S5103-442844ALT4PC10 |
| Item Name | Gear,helical |
| FSC / FSG | 3020 / 30 — No Item Name Available |
| Manufacturer | Naval Ship Systems Command |
| Status | ACTIVE |
| Pitch Diameter | 6.0000 INCHES NOMINAL IN |
| Teeth Quantity | 48 |
| Body Style | PLAIN, SOLID |
| Mounting Hole Nominal Diameter | 0.406 INCHES AXIALLY THROUGH BODY FIRST END IN |
| Tooth Direction | LEFT |
| Material | COPPER ALLOY OVERALL |
| Mounting Hole Type and Quantity | 3 COUNTERBORED AXIALLY THROUGH BODY FIRST END |
| Keyway Nominal Width | 0.562 INCHES FIRST END IN |
| Helix Angle | 19.1832 DEGREES |
| Style Designator | HUBLESS |
| Bore Style | W/ KEYWAY BOTH ENDS |
| Nominal Outside Diameter | 6.2500 INCHES IN |
| Pressure Angle | 14.5000 DEGREES |
| Face Nominal Width | 1.000 INCHES IN |
| Tooth Form | STANDARD |
| Teeth Type | SINGLE HELIX |
| Bore Nominal Diameter | 3.500 INCHES FIRST END IN |
| Bolt Hole Circle Nominal Diameter | 4.625 INCHES AXIALLY THROUGH BODY FIRST END IN |
| Attachment Method | MOUNTING HOLE |
| Nominal Distance From Bore Center to Keyway Bottom | 2.062 INCHES FIRST END IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| DE155S5103-442844ALT4PC10 | Naval Ship Systems Command (USA) |
| SM8278PC10 | Bayer Co the (USA) |
| DE51S5103-442839PC10 | Naval Sea Systems Command (USA) |
| LST1153S5103-705827PC10 | Naval Ship Systems Command (USA) |
| DE155S5103-442839ALT4PC10 | Naval Ship Systems Command (USA) |
| W41 | Bayer Co the (USA) |
| DE155S5103-442842PC10 | Naval Ship Systems Command (USA) |
| SM7702PC10 | Bayer Co the (USA) |
| DE155S5103-442842PC10 | Naval Sea Systems Command (USA) |
| DE51S5103-442844PC10 | Naval Sea Systems Command (USA) |
| SM7730PC10 | Bayer Co the (USA) |
| SM7715PC10 | Bayer Co the (USA) |
| DE51S5103-442839PC10 | Naval Ship Systems Command (USA) |
| DE51S5103-442842PC10 | Naval Sea Systems Command (USA) |
| DE51S5103-442842PC10 | Naval Ship Systems Command (USA) |
| DE155S5103-442844ALT4PC10 | Naval Sea Systems Command (USA) |
| DE51S5103-442844PC10 | Naval Ship Systems Command (USA) |
| SM7702APC10 | Bayer Co the (USA) |
| DE155S5103-442839ALT4PC10 | Naval Sea Systems Command (USA) |
| SM8275PC10 | Bayer Co the (USA) |
NSN 3020-00-319-4764 is a Gear,helical, manufactured by Naval Ship Systems Command, classified under FSC 3020 (No Item Name Available). Status: active.
NSN 3020-00-319-4764 has 21 cross-referenced part numbers: DE155S5103-442844ALT4PC10 (Naval Ship Systems Command), SM8278PC10 (Bayer Co the), DE51S5103-442839PC10 (Naval Sea Systems Command), LST1153S5103-705827PC10 (Naval Ship Systems Command), DE155S5103-442839ALT4PC10 (Naval Ship Systems Command) and 16 more.
There are 2 known substitutes for 3020-00-319-4764: 2930-00-364-2760, 5999-01-188-4254. Verify interchangeability with system specifications before substitution.
Key specifications for DE155S5103-442844ALT4PC10: Pitch Diameter: 6.0000 INCHES NOMINAL IN; Teeth Quantity: 48; Body Style: PLAIN, SOLID; Mounting Hole Nominal Diameter: 0.406 INCHES AXIALLY THROUGH BODY FIRST END IN. 20 total characteristics are documented in the Federal Logistics Information System.