The Sprocket Wheel, cataloged under National Stock Number 3020-01-149-5915, 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 General Motors Llc Dba General Motors Llc. Government technical data includes 30 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-149-5915 |
| Primary Part Number | 14022645 |
| Item Name | Sprocket Wheel |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | General Motors Llc Dba General Motors Llc |
| Status | ACTIVE |
| Hub Outside Diameter | 55.0 MILLIMETERS NOMINAL AA END MM |
| Securing Method | SLOTTED |
| Bore Length | 18.3 MILLIMETERS NOMINAL MM |
| Design Form | WEBBED |
| Teeth Hardness Rating | 45.0 ROCKWELL C NOMINAL |
| Tooth Pitch | 12.7 MILLIMETERS NOMINAL MM |
| Outside Diameter | 153.1 MILLIMETERS NOMINAL MM |
| Keying Facility Type | KEYWAY |
| Quantity | 1 |
| Style Designator | WEBBED OR SPOKED |
| Metallic Hardness Rating and Location | 241.0 BRINELL STANDARD MINIMUM BODY AND 302.0 BRINELL STANDARD MAXIMUM BODY |
| Material Document and Classification | SAE GRADE D7003 ASSN STD SINGLE MATERIAL RESPONSE |
| Pitch Diameter | 145.7 MILLIMETERS NOMINAL MM |
| Bore Type | STRAIGHT |
| Counterbore Depth | 3.0 MILLIMETERS NOMINAL MM |
| Teeth Row Quantity | 2 |
| Teeth Quantity Per Row | 36 |
| Counterbore Location | AA END |
| Protruding Hub Characteristic | PLAIN |
| Hardness Rating Test Method | ROCKWELL |
| Counterbore Diameter | 34.0 MILLIMETERS NOMINAL MM |
| Distance From Center of Bore to Bottom of Keyway | 19.2 MILLIMETERS NOMINAL MM |
| Distance From Hub End to Flange End | 3.0 MILLIMETERS NOMINAL AA END MM |
| Center to Center Distance Between Teeth Rows | 7.3 MILLIMETERS NOMINAL MM |
| Keyway Width | 4.8 MILLIMETERS NOMINAL MM |
| Bore Diameter | 32.5 MILLIMETERS NOMINAL MM |
| Material | IRON CAST UNS F34800 |
| Furnished Items | COUNTERBORE AND KEYING FACILITY |
| Face Width | 18.3 MILLIMETERS NOMINAL MM |
| Securing Location | AA END |
| 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 |
|---|---|
| S-524 | Elgin Industries Inc. Dba (USA) |
| 14022645 PRIMARY | General Motors Llc Dba General Motors Llc (USA) |
| 5740044 | Am General Llc (USA) |
| Reference | Meaning |
|---|---|
| 14022645 | 5/9 Secondary reference General Motors Corp Chevrolet Motor Div Special Products Dept |
| 3020PL0874743 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 3020011495915 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
NSN 3020-01-149-5915 is a Sprocket Wheel, manufactured by General Motors Llc Dba General Motors Llc, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-149-5915 has 3 manufacturer part numbers on file: S-524 (Elgin Industries Inc. Dba), 14022645 (General Motors Llc Dba General Motors Llc), 5740044 (Am General Llc).
Key specifications for 14022645: Hub Outside Diameter: 55.0 MILLIMETERS NOMINAL AA END MM; Securing Method: SLOTTED; Bore Length: 18.3 MILLIMETERS NOMINAL MM; Design Form: WEBBED. 30 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.