The Printed Circuit Board, cataloged under National Stock Number 5998-00-522-7666, 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 Darchem Engineering Ltd. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active. Unit of issue: EA.
| Item Name | Printed Circuit Board |
| FSC / FSG | 5998 — Electrical and Electronic Assemblies, Boards, Cards, and Associated Hardware (FSG 59) |
| Manufacturers | Darchem Engineering Ltd (CAGE K0510) |
| Parameter | Value |
|---|---|
| NSN | 5998-00-522-7666 |
| Primary Part Number | 85-3354 |
| Item Name | Printed Circuit Board |
| FSC / FSG | 5998 / 59 — Electrical and Electronic Assemblies, Boards, Cards, and Associated Hardware |
| Manufacturer | Darchem Engineering Ltd |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Shelf Life Code | 0 |
| Unit of Issue | EA |
| Acquisition advice code | J |
| Weight | 1.2500 lbs |
| Cube | 0.3950 cu ft |
| Part Number | Manufacturer |
|---|---|
| 85-3354 PRIMARY | Darchem Engineering Ltd (GBR) |
| Reference | Meaning |
|---|---|
| 85-3354 | C/1 Advisory reference — outside the item-of-supply concept Darchem Engineering Ltd |
NSN 5998-00-522-7666 is a Printed Circuit Board, manufactured by Darchem Engineering Ltd, classified under FSC 5998, Electrical and Electronic Assemblies, Boards, Cards, and Associated Hardware. Status: active.
NSN 5998-00-522-7666 has 1 manufacturer part number on file: 85-3354 (Darchem Engineering Ltd).
1 possible match (shared part number, not a government interchangeability claim): 6240-01-343-0065. Verify interchangeability with system specifications before substitution.
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 5998-00-522-7666 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.