The Gear,helical, cataloged under National Stock Number 3020-00-203-1520, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Kleinschmidt Inc. Government technical data includes 20 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 3020-00-203-1520 |
| Primary Part Number | 50556 |
| Item Name | Gear,helical |
| FSC / FSG | 3020 / 30 — No Item Name Available |
| Manufacturer | Kleinschmidt Inc |
| Status | CANCELLED |
| Keyway Nominal Width | 0.062 INCHES BOTH ENDS IN |
| Teeth Quantity | 24 |
| Material | STEEL OVERALL |
| Body Style | PLAIN, SOLID |
| Face Nominal Width | 0.188 INCHES IN |
| Nominal Distance From Bore Center to Keyway Bottom | 0.190 INCHES FIRST END IN |
| Tooth Direction | RIGHT |
| Hub Nominal Diameter | 0.438 INCHES FIRST END IN |
| Style Designator | PROTRUDING HUB |
| Helix Angle | 45.0000 DEGREES |
| Nominal Outside Diameter | 1.057 INCHES IN |
| Hub Style Designator | PLAIN FIRST END |
| Bore Nominal Diameter | 0.315 INCHES FIRST END IN |
| Tooth Form | STANDARD |
| Pitch Diameter | 0.9800 INCHES MINIMUM AND 1.0000 INCHES MAXIMUM IN |
| Nominal Distance Between Body Face and Protruding Hub End | 0.031 INCHES FIRST END IN |
| Bore Style | W/ KEYWAY BOTH ENDS |
| Surface Treatment | OXIDE OVERALL |
| Teeth Type | SINGLE HELIX |
| Pressure Angle | 14.5000 DEGREES |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
NSN 3020-00-203-1520 is a Gear,helical, manufactured by Kleinschmidt Inc, classified under FSC 3020 (No Item Name Available). Status: cancelled.
NSN 3020-00-203-1520 has 2 cross-referenced part numbers: 50556 (Kleinschmidt Inc), SCB69999 (Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir).
There are 6 known substitutes for 3020-00-203-1520: 2530-00-309-7476, 5330-00-918-9540, 5330-01-044-5162 and 3 more. Verify interchangeability with system specifications before substitution.
Key specifications for 50556: Keyway Nominal Width: 0.062 INCHES BOTH ENDS IN; Teeth Quantity: 24; Material: STEEL OVERALL; Body Style: PLAIN, SOLID. 20 total characteristics are documented in the Federal Logistics Information System.
NSN 3020-00-203-1520 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.