The Gear,worm, cataloged under National Stock Number 3020-00-690-0638, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Niantic Tool, Inc. Dba Niantic Tool Co. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-690-0638 |
| Primary Part Number | 900024 |
| Item Name | Gear,worm |
| FSC / FSG | 3020 / 30 — No Item Name Available |
| Manufacturer | Niantic Tool, Inc. Dba Niantic Tool Co |
| Status | ACTIVE |
| Bore Nominal Diameter | 0.312 INCHES BOTH ENDS IN |
| Face Nominal Width | 1.000 INCHES IN |
| Helix Angle | 20.8000 DEGREES |
| Pressure Angle | 20.0000 DEGREES |
| Nominal Outside Diameter | 0.749 INCHES IN |
| Thread Form Quantity | 4 |
| Hub Nominal Diameter | 0.470 INCHES FIRST END IN |
| Hub Style Designator | PINNED FIRST END |
| Bore Style | PLAIN BOTH ENDS |
| Pitch Diameter | 0.6250 INCHES NOMINAL IN |
| Face Type | STRAIGHT |
| Nominal Distance Between Body Face and Protruding Hub End | 0.250 INCHES FIRST END IN |
| Material | STEEL OVERALL |
| Thread Form Direction | RIGHT-HAND |
| Style Designator | PROTRUDING HUB |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 900081 | Lee Evans, Inc. (USA) |
| NA-69172 | Dresser Rand Co Terry Corp Steam Turbine Motor and Generator Co a Joint Venture (USA) |
| 955003 | Dresser Rand Co Terry Corp Steam Turbine Motor and Generator Co a Joint Venture (USA) |
| 955003 | Siemens Government Technologies, Inc. Dba Sgt Dresser-Rand Div Sgt Dresser-Rand (USA) |
| 900024 PRIMARY | Niantic Tool, Inc. Dba Niantic Tool Co (USA) |
| A1124 PRIMARY | Niantic Tool, Inc. Dba Niantic Tool Co (USA) |
NSN 3020-00-690-0638 is a Gear,worm, manufactured by Niantic Tool, Inc. Dba Niantic Tool Co, classified under FSC 3020 (No Item Name Available). Status: active.
NSN 3020-00-690-0638 has 6 cross-referenced part numbers: 900081 (Lee Evans, Inc.), NA-69172 (Dresser Rand Co Terry Corp Steam Turbine Motor and Generator Co a Joint Venture), 955003 (Dresser Rand Co Terry Corp Steam Turbine Motor and Generator Co a Joint Venture), 955003 (Siemens Government Technologies, Inc. Dba Sgt Dresser-Rand Div Sgt Dresser-Rand), 900024 (Niantic Tool, Inc. Dba Niantic Tool Co) and 1 more.
There are 12 known substitutes for 3020-00-690-0638: 8455-00-131-2125, 8455-00-246-3508, 2930-00-360-8062 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 900024: Bore Nominal Diameter: 0.312 INCHES BOTH ENDS IN; Face Nominal Width: 1.000 INCHES IN; Helix Angle: 20.8000 DEGREES; Pressure Angle: 20.0000 DEGREES. 15 total characteristics are documented in the Federal Logistics Information System.