The Cap,ignition Distribution, cataloged under National Stock Number 2920-01-157-3654, is classified within Federal Supply Class 2920 (Engine Electrical System Components, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Standard Motor Products. Government technical data includes 6 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 2920-01-157-3654 |
| Primary Part Number | DR455 |
| Item Name | Cap,ignition Distribution |
| FSC / FSG | 2920 / 29 — Engine Electrical System Components, Nonaircraft |
| Manufacturer | Standard Motor Products |
| Status | ACTIVE |
| Spark Plug Lead Accommodation Quantity | 4 |
| Mounting Method | SNAP SPRING |
| Ignition System Design | SINGLE |
| Application Design | DISTRIBUTOR |
| Spark Plug Lead Connection Type | PUSH-IN |
| Construction Type | ONE-PIECE |
| 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 |
|---|---|
| 8134006 | Am General Llc (USA) |
| DR455 PRIMARY | Standard Motor Products (USA) |
| 1978497 PRIMARY | General Motors Llc Dba General Motors Llc (USA) |
| D339 PRIMARY | Delco Remy America Inc (USA) |
| Reference | Meaning |
|---|---|
| 1978497 | 5/9 Secondary reference General Motors Corp Chevrolet Motor Div Special Products Dept |
| 1978497 | 5/9 Secondary reference Delco Remy America Inc |
| 1978497 | 5/9 Secondary reference General Motors Corp Delco Remy Div |
| 8134006 | 5/9 Secondary reference Kenosha Automotive Plant Sub of American Motors Corp |
NSN 2920-01-157-3654 is a Cap,ignition Distribution, manufactured by Standard Motor Products, classified under FSC 2920, Engine Electrical System Components, Nonaircraft. Status: active.
NSN 2920-01-157-3654 has 4 manufacturer part numbers on file: 8134006 (Am General Llc), DR455 (Standard Motor Products), 1978497 (General Motors Llc Dba General Motors Llc), D339 (Delco Remy America Inc).
1 possible match (shared part number, not a government interchangeability claim): 5315-01-298-0550. Verify interchangeability with system specifications before substitution.
Key specifications for DR455: Spark Plug Lead Accommodation Quantity: 4; Mounting Method: SNAP SPRING; Ignition System Design: SINGLE; Application Design: DISTRIBUTOR. 6 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.