The Gear,helical, cataloged under National Stock Number 3020-00-528-9556, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Rexnord Industries Llc. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 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 | 3020-00-528-9556 |
| Primary Part Number | 315390 |
| Item Name | Gear,helical |
| FSC / FSG | 3020 / 30 — No Item Name Available |
| Manufacturer | Rexnord Industries Llc |
| Status | ACTIVE |
| Nominal Overall Length | 1.781 INCHES IN |
| Tooth Direction | RIGHT |
| Pressure Angle | 14.5000 DEGREES |
| Keyway Nominal Width | 0.501 INCHES BOTH ENDS IN |
| Material | STEEL OVERALL |
| Body Style | WEBBED, SOLID |
| Teeth Quantity | 65 |
| Nominal Distance Between Body Face and Recessed Hub End | 0.125 INCHES SECOND END IN |
| Material Document and Classification | MIL-S-890,ALLOY NO. 4 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Face Nominal Width | 1.750 INCHES IN |
| Tooth Form | STANDARD |
| Pitch Diameter | 6.4830 INCHES NOMINAL IN |
| Style Designator | ONE PROTRUDING HUB, ONE RECESSED HUB |
| Teeth Type | SINGLE HELIX |
| Hub Nominal Diameter | 3.125 INCHES SECOND END IN |
| Hardness Rating | 285.0 BRINELL STANDARD MINIMUM AND 325.0 BRINELL STANDARD MAXIMUM OVERALL |
| Hub Style Designator | PLAIN BOTH ENDS |
| Hub Nominal Diameter | 3.125 INCHES FIRST END IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 3020-00-528-9556 is a Gear,helical, manufactured by Rexnord Industries Llc, classified under FSC 3020 (No Item Name Available). Status: active.
NSN 3020-00-528-9556 has 4 cross-referenced part numbers: 315390 (Rexnord Industries Llc), 504109PC8 (Rexnord Industries Llc), 502887PC8 (Rexnord Industries Llc), 315390 (Ohio Transmission Llc Dba Ohio Transmission Llc).
There are 2 known substitutes for 3020-00-528-9556: 6625-00-445-3328, 4730-00-885-0805. Verify interchangeability with system specifications before substitution.
Key specifications for 315390: Nominal Overall Length: 1.781 INCHES IN; Tooth Direction: RIGHT; Pressure Angle: 14.5000 DEGREES; Keyway Nominal Width: 0.501 INCHES BOTH ENDS IN. 18 total characteristics are documented in the Federal Logistics Information System.