The Sprocket Wheel, cataloged under National Stock Number 3020-01-353-0777, 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 Lockheed Martin Corporation Div Rms. Government technical data includes 23 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-353-0777 |
| Primary Part Number | 0461D0089 |
| Item Name | Sprocket Wheel |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Lockheed Martin Corporation Div Rms |
| Status | ACTIVE |
| Hub Outside Diameter | 5.250 INCHES NOMINAL AA END IN |
| Bore Length | 2.000 INCHES NOMINAL IN |
| Design Form | PLAIN |
| Teeth Hardness Rating | 40.0 ROCKWELL C MINIMUM AND 55.0 ROCKWELL C MAXIMUM |
| Tooth Pitch | 1.500 INCHES NOMINAL IN |
| Outside Diameter | 8.924 INCHES NOMINAL IN |
| Keying Facility Type | KEYWAY |
| Quantity | 1 |
| Style Designator | PLAIN |
| Metallic Hardness Rating and Location | 40.0 ROCKWELL C MINIMUM BODY AND 55.0 ROCKWELL C MAXIMUM BODY |
| Bore Type | STRAIGHT |
| Teeth Row Quantity | 1 |
| Teeth Quantity Per Row | 17 |
| Protruding Hub Characteristic | PLAIN |
| Hardness Rating Test Method | ROCKWELL |
| Distance From Center of Bore to Bottom of Keyway | 0.312 INCHES NOMINAL IN |
| Distance From Hub End to Flange End | 1.076 INCHES NOMINAL AA END IN |
| Keyway Width | 0.625 INCHES NOMINAL IN |
| Surface Treatment | NICKEL |
| Bore Diameter | 2.438 INCHES NOMINAL IN |
| Material | STEEL |
| Furnished Items | KEYING FACILITY |
| Face Width | 0.924 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 |
|---|---|
| 0461D0089 PRIMARY | Lockheed Martin Corporation Div Rms (USA) |
| 1217B2980 PRIMARY | Lockheed Martin Corporation Div Rms (USA) |
| 1217B2980 PRIMARY | Lake Shore Systems, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 1217B2980 | 5/9 Secondary reference Martin Marietta Technologies Inc Sub of Martin Marietta Corp Aero and Naval Systems |
| 0461D0089 | 5/9 Secondary reference Martin Marietta Technologies Inc Sub of Martin Marietta Corp Aero and Naval Systems |
NSN 3020-01-353-0777 is a Sprocket Wheel, manufactured by Lockheed Martin Corporation Div Rms, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-353-0777 has 3 manufacturer part numbers on file: 0461D0089 (Lockheed Martin Corporation Div Rms), 1217B2980 (Lockheed Martin Corporation Div Rms), 1217B2980 (Lake Shore Systems, Inc.).
Key specifications for 0461D0089: Hub Outside Diameter: 5.250 INCHES NOMINAL AA END IN; Bore Length: 2.000 INCHES NOMINAL IN; Design Form: PLAIN; Teeth Hardness Rating: 40.0 ROCKWELL C MINIMUM AND 55.0 ROCKWELL C MAXIMUM. 23 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.