The Circuit Card Assembly, cataloged under National Stock Number 5998-01-657-7903, is classified within Federal Supply Class 5998 (Electrical and Electronic Assemblies, Boards, Cards, and Associated Hardware) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Mercury Systems, Inc. Dba Mercury Systems, Inc. The record lists 5 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active. Unit of issue: EA.
| Item Name | Circuit Card Assembly |
| FSC / FSG | 5998 — Electrical and Electronic Assemblies, Boards, Cards, and Associated Hardware (FSG 59) |
| Manufacturers | Mercury Systems, Inc. Dba Mercury Systems, Inc (CAGE 1VQH4); Mercury Systems, Inc. (CAGE 0MJF9); Naval Sea Systems Command (CAGE 53711) |
| Parameter | Value |
|---|---|
| NSN | 5998-01-657-7903 |
| Primary Part Number | 514-120821-L01 |
| Item Name | Circuit Card Assembly |
| FSC / FSG | 5998 / 59 — Electrical and Electronic Assemblies, Boards, Cards, and Associated Hardware |
| Manufacturer | Mercury Systems, Inc. Dba Mercury Systems, Inc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Shelf Life Code | 0 |
| Criticality Code | X |
| Unit of Issue | EA |
| Acquisition advice code | VH |
| Weight | 7.0000 lbs |
| Cube | 1.3889 cu ft |
| Part Number | Manufacturer |
|---|---|
| 120831-L01 | Mercury Systems, Inc. Dba Mercury Systems, Inc (USA) |
| 514-120821-L01 | Mercury Systems, Inc. (USA) |
| 514-120821-L01 PRIMARY | Mercury Systems, Inc. Dba Mercury Systems, Inc (USA) |
| 8628892 PRIMARY | Naval Sea Systems Command (USA) |
| 120821-L01 | Mercury Systems, Inc. (USA) |
NSN 5998-01-657-7903 is a Circuit Card Assembly, manufactured by Mercury Systems, Inc. Dba Mercury Systems, Inc, classified under FSC 5998, Electrical and Electronic Assemblies, Boards, Cards, and Associated Hardware. Status: active.
NSN 5998-01-657-7903 has 5 manufacturer part numbers on file: 120831-L01 (Mercury Systems, Inc. Dba Mercury Systems, Inc), 514-120821-L01 (Mercury Systems, Inc.), 514-120821-L01 (Mercury Systems, Inc. Dba Mercury Systems, Inc), 8628892 (Naval Sea Systems Command), 120821-L01 (Mercury Systems, Inc.).
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 5998-01-657-7903 has DEMIL Code D. 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.