NSN 5998-01-003-9644 · NIIN 010039644 · Part number 21555-4-27
Emcore Corporation Div Concord Division · FSC 5998 — Electrical and Electronic Assemblies, Boards, Cards, and Associated Hardware · FSG 59 — Electrical and Electronic Equipment Components · CAGE 06811
Government record, cited
NSN 5998-01-003-9644 — this item is cataloged by the U.S. Government under National Stock Number 5998-01-003-9644. Manufacturer of record part number: 21555-4-27.
Also searched as5998-01-003-9644 ·
5998010039644 ·
NIIN 010039644 ·
01-003-9644 ·
FSC 5998 Electrical and Electronic Assemblies, Boards, Cards, and Associated Hardware · CAGE 06811 · 21555-4-27
Manufacturer of record: Emcore Corporation Div Concord Division
Identification
NSN: 5998-01-003-9644
NIIN: 010039644
FSC: 5998 — Electrical and Electronic Assemblies, Boards, Cards, and Associated Hardware
FSG: 59 — Electrical and Electronic Equipment Components
Primary part number: 21555-4-27
Manufacturer: Emcore Corporation Div Concord Division
General Description
The Circuit Card Assembly, cataloged under National Stock Number 5998-01-003-9644, 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 Emcore Corporation Div Concord Division. 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.
Catalog Facts
Item Name
Circuit Card Assembly
FSC / FSG
5998 — Electrical and Electronic Assemblies, Boards, Cards, and Associated Hardware (FSG 59)
Manufacturers
Emcore Corporation Div Concord Division (CAGE 06811)
Technical Specifications
Parameter
Value
NSN
5998-01-003-9644
Primary Part Number
21555-4-27
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 5998-01-003-9644?
NSN 5998-01-003-9644 is a Circuit Card Assembly, manufactured by Emcore Corporation Div Concord Division, classified under FSC 5998, Electrical and Electronic Assemblies, Boards, Cards, and Associated Hardware. Status: active.
What part numbers are listed for NSN 5998-01-003-9644?
NSN 5998-01-003-9644 has 1 manufacturer part number on file: 21555-4-27 (Emcore Corporation Div Concord Division).
Is NSN 5998-01-003-9644 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.
What is the DEMIL code for NSN 5998-01-003-9644?
NSN 5998-01-003-9644 has DEMIL Code D. Demilitarization may be required before disposal or transfer to non-military entities.
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.