The Gear,helical, cataloged under National Stock Number 3020-00-275-1016, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Dresser Industries Inc Leroi Div. Government technical data includes 18 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-275-1016 |
| Primary Part Number | 26-190 |
| Item Name | Gear,helical |
| FSC / FSG | 3020 / 30 — No Item Name Available |
| Manufacturer | Dresser Industries Inc Leroi Div |
| Status | ACTIVE |
| Tooth Direction | LEFT |
| Material Document and Classification | FED STD 66 FED STD SINGLE MATERIAL RESPONSE OVERALL |
| Pressure Angle | 14.5000 DEGREES |
| Bore Style | W/ KEYWAY BOTH ENDS |
| Material | STEEL COMP 4620 OVERALL |
| Teeth Type | SINGLE HELIX |
| Hardness Rating | 55.0 ROCKWELL C MINIMUM AND 60.0 ROCKWELL C MAXIMUM OVERALL |
| Tooth Form | STANDARD |
| Nominal Outside Diameter | 1.993 INCHES IN |
| Body Style | PLAIN, SOLID |
| Face Nominal Width | 0.875 INCHES IN |
| Keyway Nominal Width | 0.127 INCHES BOTH ENDS IN |
| Bore Nominal Diameter | 0.500 INCHES BOTH ENDS IN |
| Pitch Diameter | 1.7680 INCHES NOMINAL IN |
| Helix Angle | 45.0000 DEGREES |
| Nominal Distance From Bore Center to Keyway Bottom | 0.3136 INCHES BOTH ENDS IN |
| Teeth Quantity | 15 |
| Style Designator | HUBLESS |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 3020-00-275-1016 is a Gear,helical, manufactured by Dresser Industries Inc Leroi Div, classified under FSC 3020 (No Item Name Available). Status: active.
NSN 3020-00-275-1016 has 2 cross-referenced part numbers: G4595 (Pierce Co Inc the Sub of Avis Industrial Corp), 26-190 (Dresser Industries Inc Leroi Div).
There are 5 known substitutes for 3020-00-275-1016: 5935-00-259-4636, 5330-00-731-8702, 5950-00-806-7468 and 2 more. Verify interchangeability with system specifications before substitution.
Key specifications for 26-190: Tooth Direction: LEFT; Material Document and Classification: FED STD 66 FED STD SINGLE MATERIAL RESPONSE OVERALL; Pressure Angle: 14.5000 DEGREES; Bore Style: W/ KEYWAY BOTH ENDS. 18 total characteristics are documented in the Federal Logistics Information System.