The Circuit Card Assembly, cataloged under National Stock Number 5998-01-450-9919, 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 Cisco Systems Inc. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5998-01-450-9919 |
| Primary Part Number | CATALYST 5500 SUPERVISOR II |
| Item Name | Circuit Card Assembly |
| FSC / FSG | 5998 / 59 — Electrical and Electronic Assemblies, Boards, Cards, and Associated Hardware |
| Manufacturer | Cisco Systems Inc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| CATALYST 5500 SUPERVISOR II PRIMARY | Cisco Systems Inc (USA) |
| WS-X5509 PRIMARY | Cisco Systems Inc (USA) |
| Reference | Meaning |
|---|---|
| WSX-5509 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
NSN 5998-01-450-9919 is a Circuit Card Assembly, manufactured by Cisco Systems Inc, classified under FSC 5998, Electrical and Electronic Assemblies, Boards, Cards, and Associated Hardware. Status: active.
NSN 5998-01-450-9919 has 2 manufacturer part numbers on file: CATALYST 5500 SUPERVISOR II (Cisco Systems Inc), WS-X5509 (Cisco Systems Inc).
Key specifications for CATALYST 5500 SUPERVISOR II: Special Features: HARDWARE-BASED SWITCHING BACKPLANE W/ TRI-LEVEL PRIORITY; BRIDGE ADDRESS TABLE FOR 16,000 MAC ADDRESSES; NETWORK MANAGEMENT PROCESSOR; 2 100-MBPS FAST ETHERNET UPLINKS; Part Name Assigned by Controlling Agency: 100 BASE TX SUPERVISOR ENGINE; End Item Identification: CATALYST 5500 (WS-C5500) ATM/LAN SWITCH. 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.
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.