The Coil,ignition, cataloged under National Stock Number 2920-00-353-7273, 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 9 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through both NSN and commercial part number lookups. 8 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 2920-00-353-7273 |
| Primary Part Number | IC4 |
| Item Name | Coil,ignition |
| FSC / FSG | 2920 / 29 — Engine Electrical System Components, Nonaircraft |
| Manufacturer | Trw Inc Replacement Parts Div |
| Status | ACTIVE |
| High Voltage Terminal Quantity | 1 |
| Material Type | METALLIC ENCLOSURE |
| Low Voltage Terminal Quantity | 2 |
| Style Designator | BRACKET MOUNTED |
| Diameter | 2.375 INCHES NOMINAL IN |
| DC Primary Voltage Rating | 6.0 VOLTS NOMINAL |
| Height | 6.062 INCHES NOMINAL IN |
| Submersibility | NONSUBMERSIBLE |
| Filling Medium | COMPOUND |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 862576 | Chrysler Realty Company Llc Dba Daimler Chrysler (USA) |
| IC4 PRIMARY | Trw Inc Replacement Parts Div (USA) |
| 918664 | Chrysler Realty Company Llc Dba Daimler Chrysler (USA) |
| Reference | Meaning |
|---|---|
| IC4 | 5/9 Secondary reference C E Niehoff & Co |
| UN170 | 5/9 Secondary reference C E Niehoff & Co |
| IC4 | 5/9 Secondary reference Echlin Inc |
| IC504 | 5/9 Secondary reference Echlin Inc |
| IC90 | 5/9 Secondary reference Echlin Inc |
| AL170 | 5/9 Secondary reference C E Niehoff & Co |
| 509520 | 5/2 Secondary reference U.S. Government activity |
| UN170H6V | 5/9 Secondary reference C E Niehoff & Co |
NSN 2920-00-353-7273 is a Coil,ignition, manufactured by Trw Inc Replacement Parts Div, classified under FSC 2920, Engine Electrical System Components, Nonaircraft. Status: active.
NSN 2920-00-353-7273 has 3 manufacturer part numbers on file: 862576 (Chrysler Realty Company Llc Dba Daimler Chrysler), IC4 (Trw Inc Replacement Parts Div), 918664 (Chrysler Realty Company Llc Dba Daimler Chrysler).
1 possible match (shared part number, not a government interchangeability claim): 5996-00-784-3240. Verify interchangeability with system specifications before substitution.
Key specifications for IC4: High Voltage Terminal Quantity: 1; Material Type: METALLIC ENCLOSURE; Low Voltage Terminal Quantity: 2; Style Designator: BRACKET MOUNTED. 9 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.
NSN 2920-00-353-7273 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.