The Lead Assembly, cataloged under National Stock Number 2920-00-010-2126, is classified within Federal Supply Class 2920 (Engine Electrical System Components, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Kalmar AC Inc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Lead Assembly |
| FSC / FSG | 2920 — Engine Electrical System Components, Nonaircraft (FSG 29) |
| Manufacturers | Kalmar AC Inc (CAGE 0AHU0) |
| Parameter | Value |
|---|---|
| NSN | 2920-00-010-2126 |
| Primary Part Number | 4055873 |
| Item Name | Lead Assembly |
| FSC / FSG | 2920 / 29 — Engine Electrical System Components, Nonaircraft |
| Manufacturer | Kalmar AC Inc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 4055873 PRIMARY | Kalmar AC Inc (USA) |
| Reference | Meaning |
|---|---|
| 1852799 | 5/9 Secondary reference General Motors Corp Delco Remy Div |
| 1940478 | 5/9 Secondary reference General Motors Corp Delco Remy Div |
| 1852799 | C/1 Advisory reference — outside the item-of-supply concept Borgwarner Pds (anderson), L.l.c. |
| 1940478 | 5/9 Secondary reference General Motors Corp |
| 172682 | 5/9 Secondary reference Hyster-Yale Group, Inc. |
NSN 2920-00-010-2126 is a Lead Assembly, manufactured by Kalmar AC Inc, classified under FSC 2920, Engine Electrical System Components, Nonaircraft. Status: active.
NSN 2920-00-010-2126 has 1 manufacturer part number on file: 4055873 (Kalmar AC Inc).
3 possible matches (shared part number, not a government interchangeability claim): 5342-00-597-6304, 5310-01-494-2177, 5935-01-609-3931. Verify interchangeability with system specifications before substitution.
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.