The Gear,helical, cataloged under National Stock Number 3020-00-528-7153, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Allis-Chalmers Corp. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-528-7153 |
| Primary Part Number | 75G2420 |
| Item Name | Gear,helical |
| FSC / FSG | 3020 / 30 — No Item Name Available |
| Manufacturer | Allis-Chalmers Corp |
| Status | ACTIVE |
| Teeth Quantity | 54 |
| Hub Nominal Diameter | 2.000 INCHES SECOND END IN |
| Teeth Type | SINGLE HELIX |
| Nominal Outside Diameter | 8.0751 INCHES IN |
| Hub Nominal Diameter | 2.375 INCHES FIRST END IN |
| Tooth Direction | RIGHT |
| Style Designator | FLUSH HUB |
| Hub Style Designator | PLAIN BOTH ENDS |
| Pitch Diameter | 7.8351 INCHES NOMINAL IN |
| Material | IRON OVERALL |
| Face Nominal Width | 1.500 INCHES IN |
| Pressure Angle | 14.5000 DEGREES |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 75G2420 | Allis-Chalmers Corp (USA) |
| DD5351 | Allis-Chalmers Corp (USA) |
| 14U1481PC5351 | Naval Ship Systems Command (USA) |
| 14U1481PCDD5351 | Naval Ship Systems Command (USA) |
| 5351 | Norfolk Naval Shipyard (USA) |
NSN 3020-00-528-7153 is a Gear,helical, manufactured by Allis-Chalmers Corp, classified under FSC 3020 (No Item Name Available). Status: active.
NSN 3020-00-528-7153 has 5 cross-referenced part numbers: 75G2420 (Allis-Chalmers Corp), DD5351 (Allis-Chalmers Corp), 14U1481PC5351 (Naval Ship Systems Command), 14U1481PCDD5351 (Naval Ship Systems Command), 5351 (Norfolk Naval Shipyard).
There are 11 known substitutes for 3020-00-528-7153: 1650-00-135-4836, 5120-00-243-7340, 6515-00-363-8840 and 8 more. Verify interchangeability with system specifications before substitution.
Key specifications for 75G2420: Teeth Quantity: 54; Hub Nominal Diameter: 2.000 INCHES SECOND END IN; Teeth Type: SINGLE HELIX; Nominal Outside Diameter: 8.0751 INCHES IN. 12 total characteristics are documented in the Federal Logistics Information System.