The Spark Plug, cataloged under National Stock Number 2920-01-057-0572, is classified within Federal Supply Class 2920 (No Item Name Available) of the Engine Accessories group. The primary manufacturer of record is Brunswick Corp Dba Mercury Marine Div Mercury Marine. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 15 commercial cross-references from 14 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 2920-01-057-0572 |
| Primary Part Number | 33-97186 |
| Item Name | Spark Plug |
| FSC / FSG | 2920 / 29 — No Item Name Available |
| Manufacturer | Brunswick Corp Dba Mercury Marine Div Mercury Marine |
| Status | CANCELLED |
| Usage Design | ENGINE OTHER THAN AIRCRAFT |
| Electrode Style | SINGLE "J" TYPE GROUND ELECTRODE (SEE ALSO STYLE 1 & 17) |
| Width Across Flats | 0.812 INCHES NOMINAL IN |
| Height Above Mounting Surface | 2.240 INCHES NOMINAL IN |
| Seat Major Diameter | 0.790 INCHES NOMINAL IN |
| Reach Length | 0.500 INCHES NOMINAL IN |
| Body Style | UNSHIELDED, SOLID POST, GASKET SEAT |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 47.557.02 | Osculati S.r.l (ITA) |
| 386941 | Outboard Marine Corp (USA) |
| 2634 | Allied-Signal Inc Autolite Div (USA) |
| L77JC4 | Champion Aviation Inc Automotive Div (USA) |
| 386941 | Brp Us Inc (USA) |
| 2634 | Honeywell International Inc Dba Honeywell Div Consumer Products Group (USA) |
| 2634 | General Motors Llc Dba General Motors (USA) |
| 3576801 | Karg Industrieanlagen, Boote Und Wassersportartikel E. K (DEU) |
| L77J4 | Federal Mogul Automotive France (FRA) |
| 3576801 | Ab Volvo Penta (SWE) |
| 2634 | General Motors Llc Dba General Motors Llc (USA) |
| 33-97186 PRIMARY | Brunswick Corp Dba Mercury Marine Div Mercury Marine (USA) |
| L77J4C | Champion Aerospace Llc (USA) |
| L-77J4 | Champion Aerospace Llc (USA) |
| 386941 | Outboard Marine Corp Johnson Motors Div (USA) |
NSN 2920-01-057-0572 is a Spark Plug, manufactured by Brunswick Corp Dba Mercury Marine Div Mercury Marine, classified under FSC 2920 (No Item Name Available). Status: cancelled.
NSN 2920-01-057-0572 has 15 cross-referenced part numbers: 47.557.02 (Osculati S.r.l), 386941 (Outboard Marine Corp), 2634 (Allied-Signal Inc Autolite Div), L77JC4 (Champion Aviation Inc Automotive Div), 386941 (Brp Us Inc) and 10 more.
There are 12 known substitutes for 2920-01-057-0572: 5945-00-054-4381, 7240-00-151-6629, 5975-00-280-3659 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 33-97186: Usage Design: ENGINE OTHER THAN AIRCRAFT; Electrode Style: SINGLE "J" TYPE GROUND ELECTRODE (SEE ALSO STYLE 1 & 17); Width Across Flats: 0.812 INCHES NOMINAL IN; Height Above Mounting Surface: 2.240 INCHES NOMINAL IN. 7 total characteristics are documented in the Federal Logistics Information System.
NSN 2920-01-057-0572 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.