The Lead,ignition,engine, cataloged under National Stock Number 2920-00-679-8708, is classified within Federal Supply Class 2920 (Engine Electrical System Components, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Cummins Power Generation Inc.. Government technical data includes 7 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2920-00-679-8708 |
| Primary Part Number | 337-0056 |
| Item Name | Lead,ignition,engine |
| FSC / FSG | 2920 / 29 — Engine Electrical System Components, Nonaircraft |
| Manufacturer | Cummins Power Generation Inc. |
| Status | ACTIVE |
| Termination Type | TERMINAL STRAIGHT SPARK PLUG SECOND END SINGLE CONDUCTOR |
| Termination Type | LUG TERMINAL W/MOUNTING HOLE FIRST END SINGLE CONDUCTOR |
| Lead Overall Length | 4.962 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | ROUND |
| Terminal Lug Aperture Size | 0.262 INCHES FIRST END SINGLE CONDUCTOR IN |
| Terminal Lug Aperture Size | 0.262 INCHES SECOND END SINGLE CONDUCTOR IN |
| Material | COPPER CORE CONDUCTOR SINGLE CONDUCTOR |
| 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 |
|---|---|
| 337-0056 PRIMARY | Cummins Power Generation Inc. (USA) |
| Reference | Meaning |
|---|---|
| 337A56 | 5/9 Secondary reference Cummins Power Generation Inc. |
| M337A56 | 5/2 Secondary reference U.S. Government activity |
NSN 2920-00-679-8708 is a Lead,ignition,engine, manufactured by Cummins Power Generation Inc., classified under FSC 2920, Engine Electrical System Components, Nonaircraft. Status: active.
NSN 2920-00-679-8708 has 1 manufacturer part number on file: 337-0056 (Cummins Power Generation Inc.).
Key specifications for 337-0056: Termination Type: TERMINAL STRAIGHT SPARK PLUG SECOND END SINGLE CONDUCTOR; Termination Type: LUG TERMINAL W/MOUNTING HOLE FIRST END SINGLE CONDUCTOR; Lead Overall Length: 4.962 INCHES NOMINAL IN; Cross-Sectional Shape Style: ROUND. 7 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.