The Spark Plug, cataloged under National Stock Number 2920-00-184-7699, 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 6 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through both NSN and commercial part number lookups. 8 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2920-00-184-7699 |
| Primary Part Number | VB40FFM |
| Item Name | Spark Plug |
| FSC / FSG | 2920 / 29 — Engine Electrical System Components, Nonaircraft |
| Manufacturer | General Motors Llc Dba General Motors Llc |
| Status | ACTIVE |
| Pressure Rating | 55.0 POUNDS PER SQUARE INCH (PSI) NOMINAL MEAN EFFECTIVE LBS |
| Width Across Flats | 0.812 INCHES NOMINAL IN |
| Usage Design | ENGINE OTHER THAN AIRCRAFT |
| Electrode Style | SURFACE GAP FIRING END DESIGN WITH INTERNAL AUXILIARY GAP |
| Reach Length | 0.500 INCHES NOMINAL IN |
| Seat Major Diameter | 0.541 INCHES MINIMUM AND 0.546 INCHES MAXIMUM 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 |
|---|---|
| VB40FFM | General Motors Llc Dba General Motors Llc (USA) |
| 384771 | Brp Us Inc (USA) |
| Reference | Meaning |
|---|---|
| UL77V | 5/9 Secondary reference Champion Aviation Inc Automotive Div |
| 384771 | C/1 Advisory reference — outside the item-of-supply concept Evinrude Motors Product Group of Outboard Marine Corp |
| VB40FFM | 3/9 Design control — primary reference General Motors Llc Dba General Motors |
| 384771 | 5/9 Secondary reference Outboard Marine Corp Johnson Motors Div |
| UL-18-V | 5/9 Secondary reference Champion Aviation Inc Automotive Div |
| 384771 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| UL77V | 5/9 Secondary reference Champion Aerospace Llc |
| UL-18-V | 5/9 Secondary reference Champion Aerospace Llc |
NSN 2920-00-184-7699 is a Spark Plug, manufactured by General Motors Llc Dba General Motors Llc, classified under FSC 2920, Engine Electrical System Components, Nonaircraft. Status: active.
NSN 2920-00-184-7699 has 2 manufacturer part numbers on file: VB40FFM (General Motors Llc Dba General Motors Llc), 384771 (Brp Us Inc).
Key specifications for VB40FFM: Pressure Rating: 55.0 POUNDS PER SQUARE INCH (PSI) NOMINAL MEAN EFFECTIVE LBS; Width Across Flats: 0.812 INCHES NOMINAL IN; Usage Design: ENGINE OTHER THAN AIRCRAFT; Electrode Style: SURFACE GAP FIRING END DESIGN WITH INTERNAL AUXILIARY GAP. 6 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.