The Circuit Card Assembly, cataloged under National Stock Number 5998-01-034-9904, 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 Zenith Electronics Corporation. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5998-01-034-9904 |
| Primary Part Number | SG9591 |
| Item Name | Circuit Card Assembly |
| FSC / FSG | 5998 / 59 — Electrical and Electronic Assemblies, Boards, Cards, and Associated Hardware |
| Manufacturer | Zenith Electronics Corporation |
| Status | ACTIVE |
| Criticality Code Justification | CBBL |
| Features Provided | ELECTROSTATIC SENSITIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| SG9591 PRIMARY | Zenith Electronics Corporation (USA) |
NSN 5998-01-034-9904 is a Circuit Card Assembly, manufactured by Zenith Electronics Corporation, classified under FSC 5998, Electrical and Electronic Assemblies, Boards, Cards, and Associated Hardware. Status: active.
NSN 5998-01-034-9904 has 1 manufacturer part number on file: SG9591 (Zenith Electronics Corporation).
Key specifications for SG9591: Criticality Code Justification: CBBL; Features Provided: ELECTROSTATIC SENSITIVE; Special Features: PWB 1,DIODE 12,RES 48,CAP 16,MICROCIRCUIT 1,RELAY 1,COIL 3,THERMISTOR 1,TRANSISTOR 16; End Item Identification: 407L TACTICAL AIR CONTROL SYSTEM,485L TRACSI. 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 5998-01-034-9904 has DEMIL Code B. 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.