The Extender Card,electronic Test, cataloged under National Stock Number 5998-01-375-9743, 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 Simplex Time Recorder Llc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Extender Card,electronic Test |
| FSC / FSG | 5998 — Electrical and Electronic Assemblies, Boards, Cards, and Associated Hardware (FSG 59) |
| Manufacturers | Simplex Time Recorder Llc (CAGE 54978) |
| Parameter | Value |
|---|---|
| NSN | 5998-01-375-9743 |
| Primary Part Number | 556-996 |
| Item Name | Extender Card,electronic Test |
| FSC / FSG | 5998 / 59 — Electrical and Electronic Assemblies, Boards, Cards, and Associated Hardware |
| Manufacturer | Simplex Time Recorder Llc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 556-996 PRIMARY | Simplex Time Recorder Llc (USA) |
NSN 5998-01-375-9743 is a Extender Card,electronic Test, manufactured by Simplex Time Recorder Llc, classified under FSC 5998, Electrical and Electronic Assemblies, Boards, Cards, and Associated Hardware. Status: active.
NSN 5998-01-375-9743 has 1 manufacturer part number on file: 556-996 (Simplex Time Recorder Llc).
1 possible match (shared part number, not a government interchangeability claim): 5310-01-588-0437. 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.
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.