NSN 6340-01-646-0663 · NIIN 016460663 · Part number C637-6005
Essex Electro Engineers Inc · FSC 6340 — Aircraft Alarm and Signal Systems · FSG 63 — Alarm, Signal, and Security Detection Systems · CAGE 21269
Government record, cited
NSN 6340-01-646-0663 — this item is cataloged by the U.S. Government under National Stock Number 6340-01-646-0663. Manufacturer of record part number: C637-6005.
Also searched as6340-01-646-0663 ·
6340016460663 ·
NIIN 016460663 ·
01-646-0663 ·
FSC 6340 Aircraft Alarm and Signal Systems · CAGE 21269 · C637-6005
Manufacturer of record: Essex Electro Engineers Inc
Identification
NSN: 6340-01-646-0663
NIIN: 016460663
FSC: 6340 — Aircraft Alarm and Signal Systems
FSG: 63 — Alarm, Signal, and Security Detection Systems
Primary part number: C637-6005
Manufacturer: Essex Electro Engineers Inc
General Description
The Annunciator, cataloged under National Stock Number 6340-01-646-0663, is classified within Federal Supply Class 6340 (Aircraft Alarm and Signal Systems) of the Alarm, Signal, and Security Detection Systems group. The manufacturer of record is Essex Electro Engineers 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.
Other items in FSC 6340 — Aircraft Alarm and Signal Systems
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
6340-00-001-4608
6340-00-001-4608 · Item name not on file
6340-00-001-4609
6340-00-001-4609 · Item name not on file
6340-00-001-4610
CONNECTOR-RECEPTACL
6340-00-003-1931
6340-00-003-1931 · Item name not on file
6340-00-003-1932
6340-00-003-1932 · Item name not on file
6340-00-003-9686
6340-00-003-9686 · Item name not on file
6340-00-004-4880
6340-00-004-4880 · Item name not on file
6340-00-004-9729
SENSING ELEMENT,FIRE DETECTOR SY
Frequently Asked Questions
What is NSN 6340-01-646-0663?
NSN 6340-01-646-0663 is a Annunciator, manufactured by Essex Electro Engineers Inc, classified under FSC 6340, Aircraft Alarm and Signal Systems. Status: active.
What part numbers are listed for NSN 6340-01-646-0663?
NSN 6340-01-646-0663 has 1 manufacturer part number on file: C637-6005 (Essex Electro Engineers Inc).
What are the specifications of C637-6005?
Key specifications for C637-6005: Part Name Assigned by Controlling Agency: GENERATORS/MOTORS/PARTS NOI. 0 specifications are documented in the U.S. Government catalog.
Is NSN 6340-01-646-0663 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.
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.