The Spark Plug, cataloged under National Stock Number 2920-00-248-1619, is classified within Federal Supply Class 2920 (No Item Name Available) of the Engine Accessories group. The primary manufacturer of record is Met-Pro Corporation. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 8 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2920-00-248-1619 |
| Primary Part Number | M49 |
| Item Name | Spark Plug |
| FSC / FSG | 2920 / 29 — No Item Name Available |
| Manufacturer | Met-Pro Corporation |
| Status | ACTIVE |
| Thread Size and Series/type Designator | 5/8-24 UNEF SHIELD |
| Shield Thread Length | 0.250 INCHES NOMINAL IN |
| Seat Major Diameter | 1.000 INCHES NOMINAL IN |
| Top to Terminal Contact Distance | 1.000 INCHES MINIMUM AND 1.050 INCHES MAXIMUM IN |
| Top to Shield Thread Distance | 0.125 INCHES NOMINAL IN |
| Height Above Mounting Surface | 3.000 INCHES NOMINAL IN |
| Terminal Sleeve Inside Diameter | 0.378 INCHES MINIMUM AND 0.386 INCHES MAXIMUM IN |
| Usage Design | ENGINE OTHER THAN AIRCRAFT |
| Body Style | ELECTRICALLY SHIELDED, FULL INSULATOR, GASKET SEAT |
| DC Resistance Rating in Ohms | 10000.0 NOMINAL |
| Reach Length | 0.500 INCHES NOMINAL IN |
| Electrode Style | SINGLE ROUND GROUND ELECTRODE |
| Width Across Flats | 1.000 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| S18AR | General Motors Llc Dba General Motors (USA) |
| 17-7624-270-164 | Chief of Engineers Dept of Army (USA) |
| 280549R91 | Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/ (USA) |
| XE49 | Champion Aerospace Llc (USA) |
| 260352R91 | Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/ (USA) |
| M49 PRIMARY | Met-Pro Corporation (USA) |
| 280549R91 | Navistar International Corporation Dba Navistar (USA) |
| S18AR | General Motors Llc Dba General Motors Llc (USA) |
| S18AR | General Motors Corp (USA) |
NSN 2920-00-248-1619 is a Spark Plug, manufactured by Met-Pro Corporation, classified under FSC 2920 (No Item Name Available). Status: active.
NSN 2920-00-248-1619 has 9 cross-referenced part numbers: S18AR (General Motors Llc Dba General Motors), 17-7624-270-164 (Chief of Engineers Dept of Army), 280549R91 (Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/), XE49 (Champion Aerospace Llc), 260352R91 (Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/) and 4 more.
There are 9 known substitutes for 2920-00-248-1619: 5910-00-192-5442, 5905-00-578-0485, 5905-00-646-5699 and 6 more. Verify interchangeability with system specifications before substitution.
Key specifications for M49: Thread Size and Series/type Designator: 5/8-24 UNEF SHIELD; Shield Thread Length: 0.250 INCHES NOMINAL IN; Seat Major Diameter: 1.000 INCHES NOMINAL IN; Top to Terminal Contact Distance: 1.000 INCHES MINIMUM AND 1.050 INCHES MAXIMUM IN. 13 total characteristics are documented in the Federal Logistics Information System.