The Circuit Card Assembly, cataloged under National Stock Number 5998-01-438-2631, 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 L3harris Maritime Power & Energy Solutions, Inc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5998-01-438-2631 |
| Primary Part Number | 900-21991 |
| Item Name | Circuit Card Assembly |
| FSC / FSG | 5998 / 59 — Electrical and Electronic Assemblies, Boards, Cards, and Associated Hardware |
| Manufacturer | L3harris Maritime Power & Energy Solutions, 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 | JH |
| Weight | 8.0000 lbs |
| Cube | 0.5671 cu ft |
| Part Number | Manufacturer |
|---|---|
| 900-21991 PRIMARY | L3harris Maritime Power & Energy Solutions, Inc (USA) |
NSN 5998-01-438-2631 is a Circuit Card Assembly, manufactured by L3harris Maritime Power & Energy Solutions, Inc, classified under FSC 5998, Electrical and Electronic Assemblies, Boards, Cards, and Associated Hardware. Status: active.
NSN 5998-01-438-2631 has 1 manufacturer part number on file: 900-21991 (L3harris Maritime Power & Energy Solutions, Inc).
Key specifications for 900-21991: End Item Identification: MA CONT GP ASSY. 0 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 5998-01-438-2631 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.