The Circuit Card Assembly, cataloged under National Stock Number 5998-01-188-2121, is classified within Federal Supply Class 5998 (Electrical and Electronic Assemblies, Boards, Cards, and Associated Hardware) of the Electrical and Electronic Equipment Components group. Government technical data includes 2 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5998-01-188-2121 |
| Item Name | Circuit Card Assembly |
| FSC / FSG | 5998 / 59 — Electrical and Electronic Assemblies, Boards, Cards, and Associated Hardware |
| Status | ACTIVE |
| Criticality Code Justification | CBBL |
| Features Provided | ELECTROSTATIC SENSITIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Reference | Meaning |
|---|---|
| PCA0720 | D/9 Drawing number reference only U.S. Government activity |
| PCA0720-3 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5998-01-188-2121 is a Circuit Card Assembly, classified under FSC 5998, Electrical and Electronic Assemblies, Boards, Cards, and Associated Hardware. Status: active.
2 possible matches (shared part number, not a government interchangeability claim): 5998-01-188-2122, 5998-01-192-7564. Verify interchangeability with system specifications before substitution.
Key specifications for 5998-01-188-2121: Criticality Code Justification: CBBL; Features Provided: ELECTROSTATIC SENSITIVE; End Item Identification: 5840-01-022-3002,TACTICAL ELECTRONIC WARFARE TRAINING SET,AN/MSQ-T13. 2 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 5998-01-188-2121 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.