The Gear,spur, cataloged under National Stock Number 3020-01-229-3312, 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 2 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-229-3312 |
| Primary Part Number | 3987919 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | General Motors Llc Dba General Motors Llc |
| Status | ACTIVE |
| Teeth Quantity | 19 |
| Material | PLASTIC OVERALL |
| 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 |
|---|---|
| 3987919 PRIMARY | General Motors Llc Dba General Motors Llc (USA) |
| Reference | Meaning |
|---|---|
| 3987919 | 3/9 Design control — primary reference General Motors Corp AC-Delco Div Government Order Dept |
| 3987919 | 5/9 Secondary reference General Motors Corp |
NSN 3020-01-229-3312 is a Gear,spur, manufactured by General Motors Llc Dba General Motors Llc, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-229-3312 has 1 manufacturer part number on file: 3987919 (General Motors Llc Dba General Motors Llc).
Key specifications for 3987919: Teeth Quantity: 19; End Item Identification: 1973-77 BLAZER AND GMC JIMMY TRUCKS; Material: PLASTIC OVERALL. 2 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.