The Spark Plug, cataloged under National Stock Number 2920-00-007-8355, is classified within Federal Supply Class 2920 (Engine Electrical System Components, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Allied-Signal Inc Autolite Div. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Spark Plug |
| FSC / FSG | 2920 — Engine Electrical System Components, Nonaircraft (FSG 29) |
| Manufacturers | General Motors Llc Dba General Motors Llc (CAGE 7X677); Allied-Signal Inc Autolite Div (CAGE 52970) |
| Parameter | Value |
|---|---|
| NSN | 2920-00-007-8355 |
| Primary Part Number | 146 |
| Item Name | Spark Plug |
| FSC / FSG | 2920 / 29 — Engine Electrical System Components, Nonaircraft |
| Manufacturer | Allied-Signal Inc Autolite Div |
| 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 |
| Part Number | Manufacturer |
|---|---|
| R45T | General Motors Llc Dba General Motors Llc (USA) |
| 146 PRIMARY | Allied-Signal Inc Autolite Div (USA) |
| Reference | Meaning |
|---|---|
| 5613356 | C/1 Advisory reference — outside the item-of-supply concept Military Vehicles Opn General Motors Truck and Bus Group Ms 2603-02 |
| R45T | 5/9 Secondary reference General Motors Llc Dba General Motors |
| ARF6 | 5/9 Secondary reference Ford Motor Co Ford Parts and Service Div Government Part Sales |
NSN 2920-00-007-8355 is a Spark Plug, manufactured by Allied-Signal Inc Autolite Div, classified under FSC 2920, Engine Electrical System Components, Nonaircraft. Status: active.
NSN 2920-00-007-8355 has 2 manufacturer part numbers on file: R45T (General Motors Llc Dba General Motors Llc), 146 (Allied-Signal Inc Autolite Div).
1 possible match (shared part number, not a government interchangeability claim): 2910-01-397-8508. Verify interchangeability with system specifications before substitution.
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.