NSN 5998-01-686-4631 · NIIN 016864631 · Part number 6669859
Naval Sea Systems Command · FSC 5998 — Electrical and Electronic Assemblies, Boards, Cards, and Associated Hardware · FSG 59 — Electrical and Electronic Equipment Components · CAGE 53711
Government record, cited
NSN 5998-01-686-4631 — this item is cataloged by the U.S. Government under National Stock Number 5998-01-686-4631. Manufacturer of record part number: 6669859.
Also searched as5998-01-686-4631 ·
5998016864631 ·
NIIN 016864631 ·
01-686-4631 ·
FSC 5998 Electrical and Electronic Assemblies, Boards, Cards, and Associated Hardware · CAGE 53711 · 6669859
Nearby stock numbers← 5998-01-686-4624 Section Assembly
·
5998-01-686-4643 Serial Port Server →
Features
Step Function — FSC 5998
1 manufacturer part number on file
Manufacturer of record: Naval Sea Systems Command
Identification
NSN: 5998-01-686-4631
NIIN: 016864631
FSC: 5998 — Electrical and Electronic Assemblies, Boards, Cards, and Associated Hardware
FSG: 59 — Electrical and Electronic Equipment Components
Primary part number: 6669859
Manufacturer: Naval Sea Systems Command
General Description
The Step Function, cataloged under National Stock Number 5998-01-686-4631, 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 Naval Sea Systems Command. 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
5998-01-686-4631
Primary Part Number
6669859
Item Name
Step Function
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 5998-01-686-4631?
NSN 5998-01-686-4631 is a Step Function, manufactured by Naval Sea Systems Command, classified under FSC 5998, Electrical and Electronic Assemblies, Boards, Cards, and Associated Hardware. Status: active.
What part numbers are listed for NSN 5998-01-686-4631?
NSN 5998-01-686-4631 has 1 manufacturer part number on file: 6669859 (Naval Sea Systems Command).
What are the specifications of 6669859?
Key specifications for 6669859: Part Name Assigned by Controlling Agency: STEP FUNCTION GENER. 0 specifications are documented in the U.S. Government catalog.
Is NSN 5998-01-686-4631 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 5998-01-686-4631?
NSN 5998-01-686-4631 has DEMIL Code Q. 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.