The Spark Plug, cataloged under National Stock Number 2920-01-512-9598, is classified within Federal Supply Class 2920 (Engine Electrical System Components, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Ngk Spark Plugs /usa/ Inc. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 2920-01-512-9598 |
| Primary Part Number | IZFR5G |
| Item Name | Spark Plug |
| FSC / FSG | 2920 / 29 — Engine Electrical System Components, Nonaircraft |
| Manufacturer | Ngk Spark Plugs /usa/ Inc |
| Status | ACTIVE |
| Usage Design | ENGINE OTHER THAN AIRCRAFT |
| 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 |
|---|---|
| IZFR5G | Ngk Spark Plugs /usa/ Inc (USA) |
| Reference | Meaning |
|---|---|
| 33-889597001 | 3/2 Design control — primary reference U.S. Government activity |
| 889597Q | 5/2 Secondary reference U.S. Government activity |
NSN 2920-01-512-9598 is a Spark Plug, manufactured by Ngk Spark Plugs /usa/ Inc, classified under FSC 2920, Engine Electrical System Components, Nonaircraft. Status: active.
NSN 2920-01-512-9598 has 1 manufacturer part number on file: IZFR5G (Ngk Spark Plugs /usa/ Inc).
Key specifications for IZFR5G: Usage Design: ENGINE OTHER THAN AIRCRAFT; Part Name Assigned by Controlling Agency: SPARK PLUG; End Item Identification: ENGINE, OUTBOARD, OPTIMAX MDL 225, STND & COUNTER ROTATE. 1 specification is 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.