The Cap,ignition Distribution, cataloged under National Stock Number 2920-00-101-5136, is classified within Federal Supply Class 2920 (Engine Electrical System Components, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Caterpillar Inc Div Caterpillar Defense. Government technical data includes 16 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 2920-00-101-5136 |
| Primary Part Number | 9Y3553 |
| Item Name | Cap,ignition Distribution |
| FSC / FSG | 2920 / 29 — Engine Electrical System Components, Nonaircraft |
| Manufacturer | Caterpillar Inc Div Caterpillar Defense |
| Status | ACTIVE |
| External Coil Lead Accommodation Quantity | 1 |
| Mounting Hole Quantity | 6 |
| Spark Plug Lead Accommodation Quantity | 2 |
| Length | 4.750 INCHES NOMINAL IN |
| Mounting Method | FLANGE |
| Radio Interference Shielding | NOT PROVIDED |
| Electrode Design | SINGLE |
| Mounting Hole Diameter | 0.188 INCHES NOMINAL IN |
| Ignition System Design | SINGLE |
| Height | 3.000 INCHES NOMINAL IN |
| Cover Accommodation | NOT INCLUDED |
| Spring Loaded Brush Type Electrode Accommodation | INCLUDED |
| Width | 4.000 INCHES NOMINAL IN |
| Application Design | MAGNETO |
| Spark Plug Lead Connection Type | PUSH-IN |
| 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 |
| Part Number | Manufacturer |
|---|---|
| 9Y3553 PRIMARY | Caterpillar Inc Div Caterpillar Defense (USA) |
| Reference | Meaning |
|---|---|
| IPD1S3353 | 5/9 Secondary reference Industrial Parts Depot, Llc Dba Ipd |
| 1S3353 | 5/9 Secondary reference Caterpillar Inc Div Caterpillar Defense |
NSN 2920-00-101-5136 is a Cap,ignition Distribution, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 2920, Engine Electrical System Components, Nonaircraft. Status: active.
NSN 2920-00-101-5136 has 1 manufacturer part number on file: 9Y3553 (Caterpillar Inc Div Caterpillar Defense).
Key specifications for 9Y3553: External Coil Lead Accommodation Quantity: 1; Mounting Hole Quantity: 6; Spark Plug Lead Accommodation Quantity: 2; Length: 4.750 INCHES NOMINAL IN. 16 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.