The Nrp,aux Contact A02, cataloged under National Stock Number 4120-01-657-7404, is classified within Federal Supply Class 4120 (Air Conditioning Equipment) of the Refrigeration, AC, and Air Circulating Equipment group. The manufacturer of record is Abb Inc Dba Abb Inc Div Marine Division. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Nrp,aux Contact A02 |
| FSC / FSG | 4120 — Air Conditioning Equipment (FSG 41) |
| Manufacturers | Abb Inc Dba Abb Inc Div Marine Division (CAGE 4D5V7) |
| Parameter | Value |
|---|---|
| NSN | 4120-01-657-7404 |
| Primary Part Number | CA4-10 |
| Item Name | Nrp,aux Contact A02 |
| FSC / FSG | 4120 / 41 — Air Conditioning Equipment |
| Manufacturer | Abb Inc Dba Abb Inc Div Marine Division |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | V |
| Part Number | Manufacturer |
|---|---|
| CA4-10 PRIMARY | Abb Inc Dba Abb Inc Div Marine Division (USA) |
| Reference | Meaning |
|---|---|
| CA4-10 | 5/9 Secondary reference Abb Inc. Div U.s. Research Center |
| 500K4523 | 5/2 Secondary reference U.S. Government activity |
| 500K4523 | 5/9 Secondary reference Drs Environmental Systems Inc |
| CA4-10 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4120-01-657-7404 is a Nrp,aux Contact A02, manufactured by Abb Inc Dba Abb Inc Div Marine Division, classified under FSC 4120, Air Conditioning Equipment. Status: active.
NSN 4120-01-657-7404 has 1 manufacturer part number on file: CA4-10 (Abb Inc Dba Abb Inc Div Marine Division).
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.