The Spark Plug, cataloged under National Stock Number 2920-01-128-2287, is classified within Federal Supply Class 2920 (No Item Name Available) of the Engine Accessories group. The primary manufacturer of record is Allied-Signal Inc Autolite Div. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 14 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 2920-01-128-2287 |
| Primary Part Number | 144 |
| Item Name | Spark Plug |
| FSC / FSG | 2920 / 29 — No Item Name Available |
| Manufacturer | Allied-Signal Inc Autolite Div |
| Status | CANCELLED |
| Reach Length | 0.440 INCHES NOMINAL IN |
| Width Across Flats | 0.625 INCHES NOMINAL IN |
| Body Style | UNSHIELDED,SOLID OR THREADED POST,TAPERED SEAT |
| Usage Design | ENGINE OTHER THAN AIRCRAFT |
| Electrode Style | SINGLE FLAT SHELL GROUND ELECTRODE (SEE ALSO STYLE 4) |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| AC-MR43T | General Motors Llc Dba General Motors (USA) |
| 5613438 | General Motors Llc Dba General Motors (USA) |
| C-33-59571 | Brunswick Corp Dba Mercury Marine Div Mercury Marine (USA) |
| 33-59571 | Brunswick Corp Dba Mercury Marine Div Mercury Marine (USA) |
| 5613354 | Military Vehicles Opn General Motors Truck and Bus Group Ms 2603-02 (USA) |
| 5613354 | General Motors Llc Dba General Motors (USA) |
| W-S-506 | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
| R43T | General Motors Llc Dba General Motors (USA) |
| W-S-506 TY3CLA | General Services Administration Federal Supply Service (USA) |
| 144 PRIMARY | Allied-Signal Inc Autolite Div (USA) |
| 143 | Allied-Signal Inc Autolite Div (USA) |
| MR43T | General Motors Llc Dba General Motors (USA) |
| MR43T | General Motors Llc Dba General Motors Llc (USA) |
| 5613438 | General Motors Llc Dba General Motors Llc (USA) |
NSN 2920-01-128-2287 is a Spark Plug, manufactured by Allied-Signal Inc Autolite Div, classified under FSC 2920 (No Item Name Available). Status: cancelled.
NSN 2920-01-128-2287 has 14 cross-referenced part numbers: AC-MR43T (General Motors Llc Dba General Motors), 5613438 (General Motors Llc Dba General Motors), C-33-59571 (Brunswick Corp Dba Mercury Marine Div Mercury Marine), 33-59571 (Brunswick Corp Dba Mercury Marine Div Mercury Marine), 5613354 (Military Vehicles Opn General Motors Truck and Bus Group Ms 2603-02) and 9 more.
There are 5 known substitutes for 2920-01-128-2287: 2920-00-294-3892, 2920-01-038-1329, 2920-01-112-6237 and 2 more. Verify interchangeability with system specifications before substitution.
Key specifications for 144: Reach Length: 0.440 INCHES NOMINAL IN; Width Across Flats: 0.625 INCHES NOMINAL IN; Body Style: UNSHIELDED,SOLID OR THREADED POST,TAPERED SEAT; Usage Design: ENGINE OTHER THAN AIRCRAFT. 5 total characteristics are documented in the Federal Logistics Information System.
NSN 2920-01-128-2287 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.