PartsTable TECHNICAL DATA SHEET

NSN 6350-01-666-5186Government record, cited

Alarm-Monitor6350-01-666-5186

NSN 6350-01-666-5186 · NIIN 016665186 · Part number T90-EXTIO-P2

Siemens Energy and Automation Inc Ite Circuit Protection Div · FSC 6350 — Miscellaneous Alarm, Signal, and Security Detection Systems · FSG 63 — Alarm, Signal, and Security Detection Systems · CAGE 66842

Government record, cited

NSN 6350-01-666-5186 — this item is cataloged by the U.S. Government under National Stock Number 6350-01-666-5186. Manufacturer of record part number: T90-EXTIO-P2.

Also searched as 6350-01-666-5186 · 6350016665186 · NIIN 016665186 · 01-666-5186 · FSC 6350 Miscellaneous Alarm, Signal, and Security Detection Systems · CAGE 66842 · T90-EXTIO-P2

Nearby stock numbers ← 6350-01-666-5070 Alarm, Smoke, Automatic · 6350-01-666-6768 Access Control System, Biometric →

Features

Alarm-Monitor — FSC 6350
1 manufacturer part number on file
Manufacturer of record: Siemens Energy and Automation Inc Ite Circuit Protection Div

Identification

NSN: 6350-01-666-5186
NIIN: 016665186
FSC: 6350 — Miscellaneous Alarm, Signal, and Security Detection Systems
FSG: 63 — Alarm, Signal, and Security Detection Systems
Primary part number: T90-EXTIO-P2
Manufacturer: Siemens Energy and Automation Inc Ite Circuit Protection Div

General Description

The Alarm-Monitor, cataloged under National Stock Number 6350-01-666-5186, is classified within Federal Supply Class 6350 (Miscellaneous Alarm, Signal, and Security Detection Systems) of the Alarm, Signal, and Security Detection Systems group. The manufacturer of record is Siemens Energy and Automation Inc Ite Circuit Protection Div. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Catalog Facts

Item Name	Alarm-Monitor
FSC / FSG	6350 — Miscellaneous Alarm, Signal, and Security Detection Systems (FSG 63)
Manufacturers	Siemens Energy and Automation Inc Ite Circuit Protection Div (CAGE 66842)

Technical Specifications

Parameter	Value
NSN	6350-01-666-5186
Primary Part Number	T90-EXTIO-P2
Item Name	Alarm-Monitor
FSC / FSG	6350 / 63 — Miscellaneous Alarm, Signal, and Security Detection Systems
Manufacturer	Siemens Energy and Automation Inc Ite Circuit Protection Div
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
T90-EXTIO-P2 PRIMARY	Siemens Energy and Automation Inc Ite Circuit Protection Div (USA)

No interchangeability data on file.

Other items in FSC 6350 — Miscellaneous Alarm, Signal, and Security Detection Systems

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

6350-00-001-4574

CAM TIMER ASSY

6350-00-001-9397

6350-00-001-9397 · Item name not on file

6350-00-003-0260

6350-00-003-0260 · Item name not on file

6350-00-003-1192

6350-00-003-1192 · Item name not on file

6350-00-003-1504

SUPPORT

6350-00-003-1505

BAFFLE SUBASSEMBLY

6350-00-003-1506

BAFFLE SUBASSEMBLY

6350-00-003-3323

6350-00-003-3323 · Item name not on file

Frequently Asked Questions

What is NSN 6350-01-666-5186?

NSN 6350-01-666-5186 is a Alarm-Monitor, manufactured by Siemens Energy and Automation Inc Ite Circuit Protection Div, classified under FSC 6350, Miscellaneous Alarm, Signal, and Security Detection Systems. Status: active.

What part numbers are listed for NSN 6350-01-666-5186?

NSN 6350-01-666-5186 has 1 manufacturer part number on file: T90-EXTIO-P2 (Siemens Energy and Automation Inc Ite Circuit Protection Div).

Is NSN 6350-01-666-5186 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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