The Circuit Card Assembly, cataloged under National Stock Number 5998-01-147-7423, 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 Department of the Air Force Cryptologic Systems Group. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Circuit Card Assembly |
| FSC / FSG | 5998 — Electrical and Electronic Assemblies, Boards, Cards, and Associated Hardware (FSG 59) |
| Manufacturers | Department of the Air Force Cryptologic Systems Group (CAGE 31806) |
| Parameter | Value |
|---|---|
| NSN | 5998-01-147-7423 |
| Primary Part Number | M4540-00 |
| Item Name | Circuit Card Assembly |
| FSC / FSG | 5998 / 59 — Electrical and Electronic Assemblies, Boards, Cards, and Associated Hardware |
| Manufacturer | Department of the Air Force Cryptologic Systems Group |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Weight | 2.0000 lbs |
| Cube | 0.8333 cu ft |
| Part Number | Manufacturer |
|---|---|
| M4540 | Department of the Air Force Cryptologic Systems Group (USA) |
| M4540-00 PRIMARY | Department of the Air Force Cryptologic Systems Group (USA) |
| Reference | Meaning |
|---|---|
| M4540-00 | 5/9 Secondary reference Compaq Federal Llc |
| M4540 | 5/9 Secondary reference Compaq Federal Llc |
NSN 5998-01-147-7423 is a Circuit Card Assembly, manufactured by Department of the Air Force Cryptologic Systems Group, classified under FSC 5998, Electrical and Electronic Assemblies, Boards, Cards, and Associated Hardware. Status: active.
NSN 5998-01-147-7423 has 2 manufacturer part numbers on file: M4540 (Department of the Air Force Cryptologic Systems Group), M4540-00 (Department of the Air Force Cryptologic Systems Group).
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 5998-01-147-7423 has DEMIL Code Q. 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.