The Circuit Card Assembly, cataloged under National Stock Number 5998-01-549-1759, 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5998-01-549-1759 |
| Primary Part Number | SPA-4XT3/E3 |
| 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 |
|---|---|
| SPA-4XT3/E3 PRIMARY | Cisco Systems Inc (USA) |
| 9910-8000-0852 | St Engineering Urban Solutions Ltd. (SGP) |
NSN 5998-01-549-1759 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 5998-01-549-1759 has 2 manufacturer part numbers on file: SPA-4XT3/E3 (Cisco Systems Inc), 9910-8000-0852 (St Engineering Urban Solutions Ltd.).
Key specifications for SPA-4XT3/E3: Overall Height: 0.800 INCHES NOMINAL IN; Overall Length: 7.280 INCHES NOMINAL IN; Overall Width: 6.750 INCHES NOMINAL IN; Special Features: 4 INDEPENDENT T3 OR E3 PORTS CONFIGURABLE AS EITHER ALL T3 OR E3 ONLY; FULL DUPLEX CONNECTIVITY; BIT ERROR RATE TESTING; PHYSICAL INTERFACE 1.0/2.3 RF CONNECTOR (75 OHM IMPEDENCE) 1.0/2.3 RF TO BNC ADAPTER CABLE OPTION; 8.4 WATT MAXIMUM; STORAGE TEMPERATURE MINUS 38.0 TO PLUS 150.0 DEGREES F; OPERATING TEMPERATURE PLUS 41.0 TO 104.0 DEGREES F; OPERATING RELATIVE HUMIDITY 5.0 TO 85.0 PERCENT. 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.