The Spark Plug, cataloged under National Stock Number 2920-01-535-1342, 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. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2920-01-535-1342 |
| Primary Part Number | 12621258 |
| Item Name | Spark Plug |
| FSC / FSG | 2920 / 29 — Engine Electrical System Components, Nonaircraft |
| Manufacturer | General Motors Llc Dba General Motors Llc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 2920-01-535-1342 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 2920-01-535-1342 has 2 manufacturer part numbers on file: 12621258 (General Motors Llc Dba General Motors Llc), W8800472 (General Motors Llc Dba General Motors Llc).
1 possible match (shared part number, not a government interchangeability claim): 5365-01-564-6823. Verify interchangeability with system specifications before substitution.
Key specifications for 12621258: Part Name Assigned by Controlling Agency: SPARK PLUG ASM; End Item Identification: ENGINE ASM, 4.8 LITER (293 CID). 0 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.