The Shield,spark Plug, cataloged under National Stock Number 2920-01-163-0657, is classified within Federal Supply Class 2920 (Engine Electrical System Components, Nonaircraft) of the Engine Accessories group. The manufacturer of record is General Motors Llc Dba General Motors Llc. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 2 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 2920-01-163-0657 |
| Primary Part Number | 2017656 |
| Item Name | Shield,spark Plug |
| FSC / FSG | 2920 / 29 — Engine Electrical System Components, Nonaircraft |
| Manufacturer | General Motors Llc Dba General Motors Llc |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 1 CLAMP FIRST MOUNTING FACILITY |
| Mounting Facility Type and Quantity | 1 CLAMP THIRD MOUNTING FACILITY |
| Accommodated Item Securing Device Type | CLAMP |
| Material | RUBBER SYNTHETIC OR COPPER ALLOY |
| 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 |
|---|---|
| 2017656 PRIMARY | General Motors Llc Dba General Motors Llc (USA) |
| 3919807 | General Motors Llc Dba General Motors Llc (USA) |
| Reference | Meaning |
|---|---|
| 3919807 | 5/9 Secondary reference General Motors Corp Chevrolet Motor Div Special Products Dept |
| 2017656 | 5/9 Secondary reference General Motors Corp Chevrolet Motor Div Special Products Dept |
NSN 2920-01-163-0657 is a Shield,spark Plug, manufactured by General Motors Llc Dba General Motors Llc, classified under FSC 2920, Engine Electrical System Components, Nonaircraft. Status: active.
NSN 2920-01-163-0657 has 2 manufacturer part numbers on file: 2017656 (General Motors Llc Dba General Motors Llc), 3919807 (General Motors Llc Dba General Motors Llc).
Key specifications for 2017656: Mounting Facility Type and Quantity: 1 CLAMP FIRST MOUNTING FACILITY; Mounting Facility Type and Quantity: 1 CLAMP THIRD MOUNTING FACILITY; Accommodated Item Securing Device Type: CLAMP; Special Features: NO. ONE LEFT FRONT AND NO. THREE REAR RIGHT SHIELD. 4 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.