The Circuit Card Assembly, cataloged under National Stock Number 5998-01-121-9620, 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 Meggitt Safety Systems Inc. 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 | 5998-01-121-9620 |
| Primary Part Number | 4742-3 |
| Item Name | Circuit Card Assembly |
| FSC / FSG | 5998 / 59 — Electrical and Electronic Assemblies, Boards, Cards, and Associated Hardware |
| Manufacturer | Meggitt Safety Systems Inc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | N |
| Weight | 1.5000 lbs |
| Cube | 0.0313 cu ft |
| Part Number | Manufacturer |
|---|---|
| 4742-3 PRIMARY | Meggitt Safety Systems Inc (USA) |
NSN 5998-01-121-9620 is a Circuit Card Assembly, manufactured by Meggitt Safety Systems Inc, classified under FSC 5998, Electrical and Electronic Assemblies, Boards, Cards, and Associated Hardware. Status: active.
NSN 5998-01-121-9620 has 1 manufacturer part number on file: 4742-3 (Meggitt Safety Systems Inc).
Key specifications for 4742-3: Overall Length: 4.825 INCHES NOMINAL IN; Overall Width: 2.075 INCHES NOMINAL IN; Special Features: MAJOR COMPONENTS:DIODE 12; PRINTED WIRING BOARD 1; RELAY 10; RESISTOR 2; MOUNTING CONFIGURATION:FIVE 0.125 IN. DIA. MTG HOLES; WITH CABLE ATTACHED IN; End Item Identification: AIRCRAFT FIRE PROTECTION WARNING 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 5998-01-121-9620 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.