PartsTable TECHNICAL DATA SHEET

NSN 5925-01-643-5319Government record, cited

Circuit Breaker5925-01-643-5319

NSN 5925-01-643-5319 · NIIN 016435319 · Part number HXBS19

Cospolich Inc. · FSC 5925 — Circuit Breakers · FSG 59 — Electrical and Electronic Equipment Components · CAGE 66682

Government record, cited

NSN 5925-01-643-5319 — this item is cataloged by the U.S. Government under National Stock Number 5925-01-643-5319. Manufacturer of record part number: HXBS19.

Also searched as 5925-01-643-5319 · 5925016435319 · NIIN 016435319 · 01-643-5319 · FSC 5925 Circuit Breakers · CAGE 66682 · HXBS19 · 91143-2 REV D ITEM NO. 30

Nearby stock numbers ← 5925-01-643-4905 Circuit Breaker · 5925-01-643-5410 Circuit Breaker →

Features

Circuit Breaker — FSC 5925
1 manufacturer part number on file
Manufacturer of record: Cospolich Inc.

Identification

NSN: 5925-01-643-5319
NIIN: 016435319
FSC: 5925 — Circuit Breakers
FSG: 59 — Electrical and Electronic Equipment Components
Primary part number: HXBS19
Manufacturer: Cospolich Inc.

General Description

The Circuit Breaker, cataloged under National Stock Number 5925-01-643-5319, is classified within Federal Supply Class 5925 (Circuit Breakers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Cospolich Inc.. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.

Catalog Facts

Item Name	Circuit Breaker
FSC / FSG	5925 — Circuit Breakers (FSG 59)
Manufacturers	Cospolich Inc. (CAGE 66682)

Technical Specifications

Parameter	Value
NSN	5925-01-643-5319
Primary Part Number	HXBS19
Item Name	Circuit Breaker
FSC / FSG	5925 / 59 — Circuit Breakers
Manufacturer	Cospolich 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)
Criticality Code	X

Cross-Reference Index

Part Number	Manufacturer
HXBS19 PRIMARY	Cospolich Inc. (USA)

Reference documents

Reference	Meaning
91143-2 REV D ITEM NO. 30	C/1 Advisory reference — outside the item-of-supply concept Cospolich Inc.

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 5925-01-643-5319?

NSN 5925-01-643-5319 is a Circuit Breaker, manufactured by Cospolich Inc., classified under FSC 5925, Circuit Breakers. Status: active.

What part numbers are listed for NSN 5925-01-643-5319?

NSN 5925-01-643-5319 has 1 manufacturer part number on file: HXBS19 (Cospolich Inc.).

Is NSN 5925-01-643-5319 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.

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