The Circuit Card Assembly, cataloged under National Stock Number 5998-01-585-5599, is classified within Federal Supply Class 5998 (Electrical and Electronic Assemblies, Boards, Cards, and Associated Hardware) of the Electrical and Electronic Equipment Components group. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5998-01-585-5599 |
| Item Name | Circuit Card Assembly |
| FSC / FSG | 5998 / 59 — Electrical and Electronic Assemblies, Boards, Cards, and Associated Hardware |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 258A004 | 3/9 Design control — primary reference American Tel-a-Systems, Inc. Dba Amtelco |
| 258L004 | 5/9 Secondary reference American Tel-a-Systems, Inc. Dba Amtelco |
NSN 5998-01-585-5599 is a Circuit Card Assembly, classified under FSC 5998, Electrical and Electronic Assemblies, Boards, Cards, and Associated Hardware. Status: active.
Key specifications for 5998-01-585-5599: Special Features: P/N 258L004 IS THE LEAD-FREE/ROHS COMPLIANT REPLACEMENT FOR 258A004 (NOT OBSOLETE); USED IN CONJUNCTIONO W/SEPARATE "FRONT PANEL" CCA, THEY COMPRISE THE H.110 BRI BOARD SET THAT PROVIDES 32 BRI S/T DIGITAL TELEPHONY INTERFACES TO COMPACT PCI COMPUTER CHASIS; CAN BE USED TO HANDLE INCOMING BRI TELEPHONE TRUNKS (FROM PUBLIC TELEPHONE NETWORK) OR TO PROVIDE SERVICE TO BRI PHONESETS ON USER'S DESKS; Part Name Assigned by Controlling Agency: XDS H.110 BASIC RATE ISDN REAR I/O TRANSITION PANEL; End Item Identification: FALCON COMMUNICATIONS SYSTEM. 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 5998-01-585-5599 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.