The Sprocket Wheel, cataloged under National Stock Number 3020-00-289-7912, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Naval Ship Systems Command. Government technical data includes 25 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 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 | 3020-00-289-7912 |
| Primary Part Number | 81612S4105-452900PC32 |
| Item Name | Sprocket Wheel |
| FSC / FSG | 3020 / 30 — No Item Name Available |
| Manufacturer | Naval Ship Systems Command |
| Status | ACTIVE |
| Bore Type | STRAIGHT |
| Hub Outside Diameter | 3.000 INCHES NOMINAL BOTH ENDS IN |
| Style Designator | PLAIN |
| Teeth Quantity Per Row | 14 |
| Keyway Width | 0.3735 INCHES NOMINAL IN |
| Keying Facility Type | KEYWAY |
| Bore Length | 3.625 INCHES NOMINAL IN |
| First Step Diameter | 3.000 INCHES NOMINAL AA END IN |
| Outside Diameter | 12.500 INCHES NOMINAL IN |
| Furnished Items | KEYING FACILITY |
| Design Form | PLAIN |
| Tooth Pitch | 2.500 INCHES NOMINAL IN |
| Material Document and Classification | MIL-S-890 MIL SPEC SINGLE MATERIAL RESPONSE |
| Protruding Hub Characteristic | STEPPED |
| Quantity | 1 |
| Face Width | 1.250 INCHES NOMINAL IN |
| Distance From Center of Bore to Bottom of Keyway | 0.99975 INCHES NOMINAL IN |
| Distance From Hub End to Flange End | 0.906 INCHES NOMINAL BB END IN |
| Hardness Rating Test Method | NOT RATED |
| Teeth Row Quantity | 1 |
| Material | STEEL |
| Hub Outside Diameter | 2.500 INCHES NOMINAL AA END IN |
| First Step Length | 0.875 INCHES NOMINAL AA END IN |
| Pitch Diameter | 11.302 INCHES NOMINAL IN |
| Bore Diameter | 1.6245 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 81612S4105-452900PC32 PRIMARY | Naval Ship Systems Command (USA) |
| S5001 PRIMARY | Rexnord Holdings Inc (USA) |
| 401146PC1 | Naval Ship Systems Command (USA) |
| 60-28-256 | Ecolaire Inc Baldwin-Hamilton Co Div (USA) |
| 81612S41-1293PC32 PRIMARY | Naval Ship Systems Command (USA) |
NSN 3020-00-289-7912 is a Sprocket Wheel, manufactured by Naval Ship Systems Command, classified under FSC 3020 (No Item Name Available). Status: active.
NSN 3020-00-289-7912 has 5 cross-referenced part numbers: 81612S4105-452900PC32 (Naval Ship Systems Command), S5001 (Rexnord Holdings Inc), 401146PC1 (Naval Ship Systems Command), 60-28-256 (Ecolaire Inc Baldwin-Hamilton Co Div), 81612S41-1293PC32 (Naval Ship Systems Command).
There are 2 known substitutes for 3020-00-289-7912: 5915-00-503-0004, 3120-01-493-9259. Verify interchangeability with system specifications before substitution.
Key specifications for 81612S4105-452900PC32: Bore Type: STRAIGHT; Hub Outside Diameter: 3.000 INCHES NOMINAL BOTH ENDS IN; Style Designator: PLAIN; Teeth Quantity Per Row: 14. 26 total characteristics are documented in the Federal Logistics Information System.