NSN 5925-01-558-4977 · NIIN 015584977 · Part number ETN339910S30Z
L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc. · FSC 5925 — Circuit Breakers · FSG 59 — Electrical and Electronic Equipment Components · CAGE 30086
Government record, cited
NSN 5925-01-558-4977 — this item is cataloged by the U.S. Government under National Stock Number 5925-01-558-4977. Manufacturer of record part number: ETN339910S30Z.
Also searched as5925-01-558-4977 ·
5925015584977 ·
NIIN 015584977 ·
01-558-4977 ·
FSC 5925 Circuit Breakers · CAGE 30086 · ETN339910S30Z
Manufacturer of record: L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc.
Identification
NSN: 5925-01-558-4977
NIIN: 015584977
FSC: 5925 — Circuit Breakers
FSG: 59 — Electrical and Electronic Equipment Components
Primary part number: ETN339910S30Z
Manufacturer: L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc.
General Description
The Circuit Breaker, cataloged under National Stock Number 5925-01-558-4977, is classified within Federal Supply Class 5925 (Circuit Breakers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, 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.
Technical Specifications
Parameter
Value
NSN
5925-01-558-4977
Primary Part Number
ETN339910S30Z
Item Name
Circuit Breaker
FSC / FSG
5925 / 59 — Circuit Breakers
Manufacturer
L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc.
Status
ACTIVE
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
Possible hazard — SDS may be required (DLA HMIC P)
L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc. (USA)
No interchangeability data on file.
Other items in FSC 5925 — Circuit Breakers
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5925-00-001-1277
CIRCUIT BREAKER
5925-00-001-2809
5925-00-001-2809 · Item name not on file
5925-00-001-3838
CIRCUIT BREAKER
5925-00-001-5748
5925-00-001-5748 · Item name not on file
5925-00-001-5926
5925-00-001-5926 · Item name not on file
5925-00-001-5938
5925-00-001-5938 · Item name not on file
5925-00-001-5942
CIRCUIT BREAKER
5925-00-001-5977
CIRCUIT BREAKER
Frequently Asked Questions
What is NSN 5925-01-558-4977?
NSN 5925-01-558-4977 is a Circuit Breaker, manufactured by L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc., classified under FSC 5925, Circuit Breakers. Status: active.
What part numbers are listed for NSN 5925-01-558-4977?
NSN 5925-01-558-4977 has 1 manufacturer part number on file: ETN339910S30Z (L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc.).
What are the specifications of ETN339910S30Z?
Key specifications for ETN339910S30Z: Special Features: ITEM NAME TEXT IS CIRCUIT BREAKER;END ITEM IDENTIFICATION IS CIRCUIT BREAKER,NQB-A402 ETN339910S30Z. 0 specifications are documented in the U.S. Government catalog.
Is NSN 5925-01-558-4977 hazardous material?
Possible hazard — SDS may be required (DLA HMIC P). 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.