The Gear,worm Wheel, cataloged under National Stock Number 3020-00-477-6435, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Siemens Government Technologies, Inc. Dba Sgt Dresser-Rand Div Sgt Dresser-Rand. Government technical data includes 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 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 | 3020-00-477-6435 |
| Primary Part Number | 91245 |
| Item Name | Gear,worm Wheel |
| FSC / FSG | 3020 / 30 — No Item Name Available |
| Manufacturer | Siemens Government Technologies, Inc. Dba Sgt Dresser-Rand Div Sgt Dresser-Rand |
| Status | ACTIVE |
| Hub Nominal Diameter | 2.125 INCHES FIRST END IN |
| Nominal Outside Diameter | 4.563 INCHES IN |
| Face Nominal Width | 1.000 INCHES IN |
| Bore Nominal Diameter | 1.375 INCHES BOTH ENDS IN |
| Nominal Distance Between Body Face and Protruding Hub End | 0.500 INCHES FIRST END IN |
| Nominal Distance From Bore Center to Keyway Bottom | 0.875 INCHES BOTH ENDS IN |
| Hub Nominal Diameter | 2.188 INCHES SECOND END IN |
| Bore Style | W/ KEYWAY BOTH ENDS |
| Hub Style Designator | PLAIN BOTH ENDS |
| Helix Angle | 7.0000 DEGREES |
| Pressure Angle | 20.0000 DEGREES |
| Tooth Direction | RIGHT |
| Keyway Nominal Width | 0.375 INCHES BOTH ENDS IN |
| Material | COPPER ALLOY OVERALL |
| Style Designator | ONE PROTRUDING HUB, ONE FLUSH HUB |
| Face Type | CONCAVE |
| Pitch Diameter | 4.3750 INCHES NOMINAL IN |
| Teeth Quantity | 41 |
| Body Style | WEBBED, OFFSET, SOLID |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 91245 | Siemens Government Technologies, Inc. Dba Sgt Dresser-Rand Div Sgt Dresser-Rand (USA) |
| 91245-001 | Siemens Government Technologies, Inc. Dba Sgt Dresser-Rand Div Sgt Dresser-Rand (USA) |
| 91245-001 | Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions (USA) |
| 91245 | Turbodyne Div of Dresser Industries Inc See Code 0br59 (USA) |
NSN 3020-00-477-6435 is a Gear,worm Wheel, manufactured by Siemens Government Technologies, Inc. Dba Sgt Dresser-Rand Div Sgt Dresser-Rand, classified under FSC 3020 (No Item Name Available). Status: active.
NSN 3020-00-477-6435 has 4 cross-referenced part numbers: 91245 (Siemens Government Technologies, Inc. Dba Sgt Dresser-Rand Div Sgt Dresser-Rand), 91245-001 (Siemens Government Technologies, Inc. Dba Sgt Dresser-Rand Div Sgt Dresser-Rand), 91245-001 (Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions), 91245 (Turbodyne Div of Dresser Industries Inc See Code 0br59).
There are 2 known substitutes for 3020-00-477-6435: 5950-00-556-0198, 5930-00-875-3269. Verify interchangeability with system specifications before substitution.
Key specifications for 91245: Hub Nominal Diameter: 2.125 INCHES FIRST END IN; Nominal Outside Diameter: 4.563 INCHES IN; Face Nominal Width: 1.000 INCHES IN; Bore Nominal Diameter: 1.375 INCHES BOTH ENDS IN. 19 total characteristics are documented in the Federal Logistics Information System.