NSN 5998-01-539-9343 · NIIN 015399343 · Part number MASSER M4
Opto 22 · FSC 5998 — Electrical and Electronic Assemblies, Boards, Cards, and Associated Hardware · FSG 59 — Electrical and Electronic Equipment Components · CAGE 55442
Government record, cited
NSN 5998-01-539-9343 — this item is cataloged by the U.S. Government under National Stock Number 5998-01-539-9343. Manufacturer of record part number: MASSER M4.
Also searched as5998-01-539-9343 ·
5998015399343 ·
NIIN 015399343 ·
01-539-9343 ·
FSC 5998 Electrical and Electronic Assemblies, Boards, Cards, and Associated Hardware · CAGE 55442 · MASSER M4
FSC: 5998 — Electrical and Electronic Assemblies, Boards, Cards, and Associated Hardware
FSG: 59 — Electrical and Electronic Equipment Components
Primary part number: MASSER M4
Manufacturer: Opto 22
General Description
The Circuit Card Assembly, cataloged under National Stock Number 5998-01-539-9343, 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 Opto 22. 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
5998-01-539-9343
Primary Part Number
MASSER M4
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 5998-01-539-9343?
NSN 5998-01-539-9343 is a Circuit Card Assembly, manufactured by Opto 22, classified under FSC 5998, Electrical and Electronic Assemblies, Boards, Cards, and Associated Hardware. Status: active.
What part numbers are listed for NSN 5998-01-539-9343?
NSN 5998-01-539-9343 has 1 manufacturer part number on file: MASSER M4 (Opto 22).
What are the specifications of MASSER M4?
Key specifications for MASSER M4: Part Name Assigned by Controlling Agency: SERIAL SLAVE CCA; End Item Identification: REMOTE MONITORING SUBSYSTEM-SYSTEM (RMS). 0 specifications are documented in the U.S. Government catalog.
Is NSN 5998-01-539-9343 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 5998-01-539-9343?
NSN 5998-01-539-9343 has DEMIL Code B. 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.