The Sprocket Wheel, cataloged under National Stock Number 3020-00-266-7677, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic. Government technical data includes 23 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 23 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 | 3020-00-266-7677 |
| Primary Part Number | 203075 |
| Item Name | Sprocket Wheel |
| FSC / FSG | 3020 / 30 — No Item Name Available |
| Manufacturer | Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic |
| Status | ACTIVE |
| Bore Type | STRAIGHT |
| Design Form | PLAIN |
| Teeth Row Quantity | 1 |
| Hub Outside Diameter | 0.6698 INCHES NOMINAL AA END IN |
| Outside Diameter | 4.028 INCHES MINIMUM AND 4.038 INCHES MAXIMUM IN |
| Pitch Diameter | 3.826 INCHES NOMINAL IN |
| Keyway Width | 0.124 INCHES MINIMUM AND 0.128 INCHES MAXIMUM IN |
| Bore Length | 0.588 INCHES MINIMUM AND 0.598 INCHES MAXIMUM IN |
| Furnished Items | KEYING FACILITY |
| Distance From Center of Bore to Bottom of Keyway | 0.397 INCHES NOMINAL IN |
| Bore Diameter | 0.669 INCHES MINIMUM AND 0.670 INCHES MAXIMUM IN |
| Hardness Rating Test Method | NOT RATED |
| Material | STEEL COMP 1040 OR STEEL COMP 1050 OR STEEL COMP 1213 |
| Distance From Hub End to Flange End | 0.425 INCHES NOMINAL AA END IN |
| Quantity | 1 |
| Style Designator | PLAIN |
| Teeth Quantity Per Row | 32 |
| Keying Facility Type | KEYWAY |
| Teeth Hardness Rating | 50.0 ROCKWELL C MINIMUM |
| Tooth Pitch | 0.375 INCHES NOMINAL IN |
| Face Width | 0.163 INCHES MINIMUM AND 0.173 INCHES MAXIMUM IN |
| Material Document and Classification | SAE 1040 ASSN STD 1ST MATERIAL RESPONSE AND SAE 1050 ASSN STD 2ND MATERIAL RESPONSE AND SAE 1113 ASSN STD 3RD MATERIAL RESPONSE |
| Protruding Hub Characteristic | PLAIN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 203075 | Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic (USA) |
| 203075 | Twin Disc Inc (USA) |
| X207271APC203075 | Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic (USA) |
| CF100-18TC1PC116 | Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic (USA) |
| 90148PC203075 | Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic (USA) |
| X207190PC69 | Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic (USA) |
| 90097PC203075 | Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic (USA) |
| F100-15PC69 | Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic (USA) |
| 90148PC133 | Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic (USA) |
| 90074PC69 | Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic (USA) |
| X207190PC203075 | Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic (USA) |
| 90190PC69 | Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic (USA) |
| F100-15TCPC203075 | Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic (USA) |
| X207284PC203075 | Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic (USA) |
| CF100-19TC1PC203075 | Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic (USA) |
| 90074PC203075 | Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic (USA) |
| X207284PC133 | Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic (USA) |
| X207271APC116 | Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic (USA) |
| CF100-19TC1PC133 | Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic (USA) |
| F100-15PC203075 | Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic (USA) |
NSN 3020-00-266-7677 is a Sprocket Wheel, manufactured by Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic, classified under FSC 3020 (No Item Name Available). Status: active.
NSN 3020-00-266-7677 has 23 cross-referenced part numbers: 203075 (Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic), 203075 (Twin Disc Inc), X207271APC203075 (Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic), CF100-18TC1PC116 (Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic), 90148PC203075 (Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic) and 18 more.
There are 5 known substitutes for 3020-00-266-7677: 9540-00-251-3102, 9540-00-434-1685, 9540-00-616-7313 and 2 more. Verify interchangeability with system specifications before substitution.
Key specifications for 203075: Bore Type: STRAIGHT; Design Form: PLAIN; Teeth Row Quantity: 1; Hub Outside Diameter: 0.6698 INCHES NOMINAL AA END IN. 24 total characteristics are documented in the Federal Logistics Information System.