The Cap,ignition Distribution, cataloged under National Stock Number 2920-00-900-1389, is classified within Federal Supply Class 2920 (Engine Electrical System Components, Nonaircraft) of the Engine Accessories group. Government technical data includes 17 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2920-00-900-1389 |
| Item Name | Cap,ignition Distribution |
| FSC / FSG | 2920 / 29 — Engine Electrical System Components, Nonaircraft |
| Status | ACTIVE |
| External Coil Lead Accommodation Quantity | 1 |
| Spark Plug Lead Accommodation Quantity | 8 |
| Mounting Method | LATCH SPRING |
| Radio Interference Shielding | NOT PROVIDED |
| Electrode Design | SINGLE |
| Spark Plug Lead Accommodation Position | VERTICAL |
| Diameter | 3.938 INCHES NOMINAL IN |
| Coil Lead Connection Type | PUSH-IN |
| Ignition System Design | SINGLE |
| Height | 2.812 INCHES NOMINAL IN |
| Cover Accommodation | NOT INCLUDED |
| Spring Loaded Brush Type Electrode Accommodation | NOT INCLUDED |
| Coil Lead Accommodation Position | VERTICAL |
| Application Design | DISTRIBUTOR |
| Spark Plug Lead Connection Type | PUSH-IN |
| Construction Type | ONE-PIECE |
| Fungus Resistant Treatment | NOT INCLUDED |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 103548 | 3/2 Design control — primary reference U.S. Government activity |
NSN 2920-00-900-1389 is a Cap,ignition Distribution, classified under FSC 2920, Engine Electrical System Components, Nonaircraft. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 4470-00-969-2943. Verify interchangeability with system specifications before substitution.
Key specifications for 2920-00-900-1389: External Coil Lead Accommodation Quantity: 1; Spark Plug Lead Accommodation Quantity: 8; Mounting Method: LATCH SPRING; Radio Interference Shielding: NOT PROVIDED. 17 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.