NSN 5998-01-686-3198 · NIIN 016863198 · Part number C637-5000
Essex Electro Engineers Inc · FSC 5998 — Electrical and Electronic Assemblies, Boards, Cards, and Associated Hardware · FSG 59 — Electrical and Electronic Equipment Components · CAGE 21269
Government record, cited
NSN 5998-01-686-3198 — this item is cataloged by the U.S. Government under National Stock Number 5998-01-686-3198. Manufacturer of record part number: C637-5000.
Also searched as5998-01-686-3198 ·
5998016863198 ·
NIIN 016863198 ·
01-686-3198 ·
FSC 5998 Electrical and Electronic Assemblies, Boards, Cards, and Associated Hardware · CAGE 21269 · C637-5000
Manufacturer of record: Essex Electro Engineers Inc
Identification
NSN: 5998-01-686-3198
NIIN: 016863198
FSC: 5998 — Electrical and Electronic Assemblies, Boards, Cards, and Associated Hardware
FSG: 59 — Electrical and Electronic Equipment Components
Primary part number: C637-5000
Manufacturer: Essex Electro Engineers Inc
General Description
The Circuit Card Assembly, cataloged under National Stock Number 5998-01-686-3198, 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 Essex Electro Engineers 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. Unit of issue: EA.
Technical Specifications
Parameter
Value
NSN
5998-01-686-3198
Primary Part Number
C637-5000
Item Name
Circuit Card Assembly
FSC / FSG
5998 / 59 — Electrical and Electronic Assemblies, Boards, Cards, and Associated Hardware
Other items in FSC 5998 — Electrical and Electronic Assemblies, Boards, Cards, and Associated Hardware
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5998-00-000-0087
CIRCUIT CARD ASSEMBLY
5998-00-000-0089
5998-00-000-0089 · Item name not on file
5998-00-000-0154
CIRCUIT CARD ASSEMBLY
5998-00-000-0173
ELECTRONIC COMPONENTS ASSEMBLY
5998-00-000-0175
ELECTRONIC COMPONENTS ASSEMBLY
5998-00-000-0177
ELECTRONIC COMPONENTS ASSEMBLY
5998-00-001-1267
CIRCUIT CARD ASSEMBLY
5998-00-001-1271
CIRCUIT CARD ASSEMBLY
Frequently Asked Questions
What is NSN 5998-01-686-3198?
NSN 5998-01-686-3198 is a Circuit Card Assembly, manufactured by Essex Electro Engineers Inc, classified under FSC 5998, Electrical and Electronic Assemblies, Boards, Cards, and Associated Hardware. Status: active.
What part numbers are listed for NSN 5998-01-686-3198?
NSN 5998-01-686-3198 has 1 manufacturer part number on file: C637-5000 (Essex Electro Engineers Inc).
What are the specifications of C637-5000?
Key specifications for C637-5000: Part Name Assigned by Controlling Agency: CARD, EXTENDER; End Item Identification: CONSOL GSE. 0 specifications are documented in the U.S. Government catalog.
Is NSN 5998-01-686-3198 hazardous material?
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
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.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.