The Sprocket Wheel, cataloged under National Stock Number 3020-01-137-1016, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings). Government technical data includes 25 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-137-1016 |
| Primary Part Number | CS-3020-0115 |
| Item Name | Sprocket Wheel |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings) |
| Status | ACTIVE |
| Hub Outside Diameter | 5.000 INCHES NOMINAL BOTH ENDS IN |
| Bore Length | 2.000 INCHES NOMINAL IN |
| Design Form | PLAIN |
| Teeth Hardness Rating | 40.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM |
| Tooth Pitch | 0.750 INCHES NOMINAL IN |
| Outside Diameter | 7.586 INCHES NOMINAL IN |
| Keying Facility Type | KEYWAY |
| Quantity | 1 |
| Style Designator | PLAIN |
| Metallic Hardness Rating and Location | 40.0 ROCKWELL C MINIMUM BODY AND 50.0 ROCKWELL C MAXIMUM BODY |
| Material Document and Classification | AISI 1137 ASSN STD SINGLE MATERIAL RESPONSE |
| Pitch Diameter | 7.175 INCHES NOMINAL IN |
| Bore Type | STRAIGHT |
| Teeth Row Quantity | 1 |
| Teeth Quantity Per Row | 30 |
| Protruding Hub Characteristic | PLAIN |
| Hardness Rating Test Method | ROCKWELL |
| Distance From Center of Bore to Bottom of Keyway | 1.875 INCHES NOMINAL IN |
| Distance From Hub End to Flange End | 0.151 INCHES NOMINAL BB END IN |
| Distance From Hub End to Flange End | 1.390 INCHES NOMINAL AA END IN |
| Keyway Width | 0.750 INCHES NOMINAL IN |
| Bore Diameter | 3.250 INCHES NOMINAL IN |
| Material | STEEL COMP 1137 |
| Furnished Items | KEYING FACILITY |
| Face Width | 0.459 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| CS-3020-0115 PRIMARY | Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings) (USA) |
| Reference | Meaning |
|---|---|
| E91433-2-3 | 5/9 Secondary reference Timken Gears & Services Inc. Div Philadelphia Gear |
NSN 3020-01-137-1016 is a Sprocket Wheel, manufactured by Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings), classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-137-1016 has 1 manufacturer part number on file: CS-3020-0115 (Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings)).
Key specifications for CS-3020-0115: Hub Outside Diameter: 5.000 INCHES NOMINAL BOTH ENDS IN; Bore Length: 2.000 INCHES NOMINAL IN; Design Form: PLAIN; Teeth Hardness Rating: 40.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM. 25 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.