The Cap,ignition Distribution, cataloged under National Stock Number 2920-01-121-1516, is classified within Federal Supply Class 2920 (Engine Electrical System Components, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Trw Inc Replacement Parts Div. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2920-01-121-1516 |
| Primary Part Number | IH66 |
| Item Name | Cap,ignition Distribution |
| FSC / FSG | 2920 / 29 — Engine Electrical System Components, Nonaircraft |
| Manufacturer | Trw Inc Replacement Parts Div |
| Status | ACTIVE |
| External Coil Lead Accommodation Quantity | 1 |
| Spark Plug Lead Accommodation Quantity | 8 |
| Application Design | DISTRIBUTOR |
| 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 |
|---|---|
| 3-140 | Prestolite Electric Inc (USA) |
| IH66 PRIMARY | Trw Inc Replacement Parts Div (USA) |
| IDN1008 PRIMARY | Prestolite Electric Inc (USA) |
| Reference | Meaning |
|---|---|
| IH916 | 5/2 Secondary reference U.S. Government activity |
| IDN1008 | 5/9 Secondary reference Prestolite Electric Inc |
| 3-140 | 5/9 Secondary reference Prestolite Electric Inc |
| 493062C91 | 3/2 Design control — primary reference U.S. Government activity |
| 4167252 | 5/9 Secondary reference Chrysler Realty Company Llc Dba Daimler Chrysler |
| IH66 | 5/9 Secondary reference C E Niehoff & Co |
NSN 2920-01-121-1516 is a Cap,ignition Distribution, manufactured by Trw Inc Replacement Parts Div, classified under FSC 2920, Engine Electrical System Components, Nonaircraft. Status: active.
NSN 2920-01-121-1516 has 3 manufacturer part numbers on file: 3-140 (Prestolite Electric Inc), IH66 (Trw Inc Replacement Parts Div), IDN1008 (Prestolite Electric Inc).
Key specifications for IH66: External Coil Lead Accommodation Quantity: 1; Spark Plug Lead Accommodation Quantity: 8; Application Design: DISTRIBUTOR; Construction Type: ONE-PIECE. 4 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.