The Spark Plug, cataloged under National Stock Number 2920-00-403-3042, 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. Government technical data includes 10 specifications, 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through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2920-00-403-3042 |
| Primary Part Number | 44 |
| Item Name | Spark Plug |
| FSC / FSG | 2920 / 29 — Engine Electrical System Components, Nonaircraft |
| Manufacturer | Allied-Signal Inc Autolite Div |
| Status | ACTIVE |
| Pressure Rating | 250.0 POUNDS PER SQUARE INCH (PSI) MINIMUM AND 260.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM MEAN EFFECTIVE LBS |
| Width Across Flats | 0.812 INCHES NOMINAL IN |
| Usage Design | ENGINE OTHER THAN AIRCRAFT |
| Electrode Style | SINGLE GROUND ELECTRODE (SEE ALSO STYLE 1) |
| Body Style | UNSHIELDED, SOLID POST, TAPERED SEAT |
| DC Resistance Rating in Ohms | 10000.0 NOMINAL |
| Reach Length | 0.455 INCHES MINIMUM AND 0.475 INCHES MAXIMUM IN |
| Seat Major Diameter | 0.775 INCHES MINIMUM AND 0.810 INCHES MAXIMUM IN |
| Departure From Cited Designator | AS MODIFIED BY SPECIAL FEATURES |
| Nondefinitive Spec/std Data | 3 TYPE AND A CLASS |
| 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 |
|---|---|
| 44 PRIMARY | Allied-Signal Inc Autolite Div (USA) |
| Reference | Meaning |
|---|---|
| RF9YC | 5/9 Secondary reference Champion Aviation Inc Automotive Div |
| BRF32 | 5/9 Secondary reference Ford Motor Co Ford Parts and Service Div Government Part Sales |
| XF9Y | 5/9 Secondary reference Champion Aerospace Llc |
| WS506 | 4/1 Identification reference U.S. Government activity |
| RF9Y | 5/9 Secondary reference Champion Aerospace Llc |
| R83TS | C/1 Advisory reference — outside the item-of-supply concept General Motors Llc Dba General Motors Llc |
| R83TS | 5/9 Secondary reference General Motors Llc Dba General Motors |
NSN 2920-00-403-3042 is a Spark Plug, manufactured by Allied-Signal Inc Autolite Div, classified under FSC 2920, Engine Electrical System Components, Nonaircraft. Status: active.
NSN 2920-00-403-3042 has 1 manufacturer part number on file: 44 (Allied-Signal Inc Autolite Div).
Key specifications for 44: Pressure Rating: 250.0 POUNDS PER SQUARE INCH (PSI) MINIMUM AND 260.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM MEAN EFFECTIVE LBS; Width Across Flats: 0.812 INCHES NOMINAL IN; Usage Design: ENGINE OTHER THAN AIRCRAFT; Electrode Style: SINGLE GROUND ELECTRODE (SEE ALSO STYLE 1). 10 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.