NSN 5920-01-677-6505 · NIIN 016776505 · Part number AT-TQ0591
Allied Telesis, Inc. Dba Allied Telesis Investment Inc Div Headquarters · FSC 5920 — Fuses, Arrestors, Absorbers, and Protectors · FSG 59 — Electrical and Electronic Equipment Components · CAGE 0T156
Government record, cited
NSN 5920-01-677-6505 — this item is cataloged by the U.S. Government under National Stock Number 5920-01-677-6505. Manufacturer of record part number: AT-TQ0591.
Also searched as5920-01-677-6505 ·
5920016776505 ·
NIIN 016776505 ·
01-677-6505 ·
FSC 5920 Fuses, Arrestors, Absorbers, and Protectors · CAGE 0T156 · AT-TQ0591
Manufacturer of record: Allied Telesis, Inc. Dba Allied Telesis Investment Inc Div Headquarters
Identification
NSN: 5920-01-677-6505
NIIN: 016776505
FSC: 5920 — Fuses, Arrestors, Absorbers, and Protectors
FSG: 59 — Electrical and Electronic Equipment Components
Primary part number: AT-TQ0591
Manufacturer: Allied Telesis, Inc. Dba Allied Telesis Investment Inc Div Headquarters
General Description
The Arrester,electrical Surge, cataloged under National Stock Number 5920-01-677-6505, is classified within Federal Supply Class 5920 (Fuses, Arrestors, Absorbers, and Protectors) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Allied Telesis, Inc. Dba Allied Telesis Investment Inc Div Headquarters. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
5920-01-677-6505
Primary Part Number
AT-TQ0591
Item Name
Arrester,electrical Surge
FSC / FSG
5920 / 59 — Fuses, Arrestors, Absorbers, and Protectors
Manufacturer
Allied Telesis, Inc. Dba Allied Telesis Investment Inc Div Headquarters
Status
ACTIVE
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
Possible hazard — SDS may be required (DLA HMIC P)
Other items in FSC 5920 — Fuses, Arrestors, Absorbers, and Protectors
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5920-00-001-3111
5920-00-001-3111 · Item name not on file
5920-00-001-3260
FUSE,CARTRIDGE
5920-00-001-3261
FUSE,CARTRIDGE
5920-00-001-3262
ARRESTER,ELECTRICAL SURGE
5920-00-001-3263
ARRESTER,ELECTRICAL SURGE
5920-00-001-3264
5920-00-001-3264 · Item name not on file
5920-00-001-3296
5920-00-001-3296 · Item name not on file
5920-00-001-3840
5920-00-001-3840 · Item name not on file
Frequently Asked Questions
What is NSN 5920-01-677-6505?
NSN 5920-01-677-6505 is a Arrester,electrical Surge, manufactured by Allied Telesis, Inc. Dba Allied Telesis Investment Inc Div Headquarters, classified under FSC 5920, Fuses, Arrestors, Absorbers, and Protectors. Status: active.
What part numbers are listed for NSN 5920-01-677-6505?
NSN 5920-01-677-6505 has 2 manufacturer part numbers on file: AT-TQ0591 (Allied Telesis, Inc. Dba Allied Telesis Investment Inc Div Headquarters), AT-TQ0591 (Itni).
What are the specifications of AT-TQ0591?
Key specifications for AT-TQ0591: Overall Height: 1.0 INCHES NOMINAL IN; Overall Length: 2.6 INCHES NOMINAL IN; Overall Width: 1.3 INCHES NOMINAL IN; Special Features: 1 X N PLUG, AND 1 X N SOCKET; EQUIPMENT LIGHTING PROTECTION. 0 specifications are documented in the U.S. Government catalog.
Is NSN 5920-01-677-6505 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.