The Gear,helical, cataloged under National Stock Number 3020-00-725-7953, 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 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-725-7953 |
| Primary Part Number | 260251 |
| Item Name | Gear,helical |
| FSC / FSG | 3020 / 30 — No Item Name Available |
| Manufacturer | Rexnord Industries Llc |
| Status | ACTIVE |
| Pitch Diameter | 1.0080 INCHES NOMINAL IN |
| Teeth Quantity | 18 |
| Tooth Form | STANDARD |
| Bore Style | PLAIN BOTH ENDS |
| Material | STEEL OVERALL |
| Style Designator | HUBLESS |
| Teeth Type | SINGLE HELIX |
| Bore Nominal Diameter | 0.563 INCHES BOTH ENDS IN |
| Face Nominal Width | 0.500 INCHES IN |
| Tooth Direction | LEFT |
| Hardness Rating | 225.0 BRINELL STANDARD MINIMUM AND 265.0 BRINELL STANDARD MAXIMUM OVERALL |
| Helix Angle | 8.1877 DEGREES |
| Pressure Angle | 20.0000 DEGREES |
| Nominal Outside Diameter | 1.114 INCHES IN |
| Material Document and Classification | MIL-S-890,ALLOY NO. 3 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Body Style | PLAIN, SOLID |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 260251 PRIMARY | Rexnord Industries Llc (USA) |
NSN 3020-00-725-7953 is a Gear,helical, manufactured by Rexnord Industries Llc, classified under FSC 3020 (No Item Name Available). Status: active.
NSN 3020-00-725-7953 has 1 cross-referenced part number: 260251 (Rexnord Industries Llc).
There is 1 known substitute for 3020-00-725-7953: 5930-00-977-7846. Verify interchangeability with system specifications before substitution.
Key specifications for 260251: Pitch Diameter: 1.0080 INCHES NOMINAL IN; Teeth Quantity: 18; Tooth Form: STANDARD; Bore Style: PLAIN BOTH ENDS. 16 total characteristics are documented in the Federal Logistics Information System.