NSN 6625-01-643-7261 · NIIN 016437261 · Part number E4146QUAD
Viavi Solutions Inc. Div Communications Test · FSC 6625 — Electrical and Electronic Properties Measuring and Testing Instruments · FSG 66 — Instruments and Laboratory Equipment · CAGE 6UW26
Government record, cited
NSN 6625-01-643-7261 — this item is cataloged by the U.S. Government under National Stock Number 6625-01-643-7261. Manufacturer of record part number: E4146QUAD.
Also searched as6625-01-643-7261 ·
6625016437261 ·
NIIN 016437261 ·
01-643-7261 ·
FSC 6625 Electrical and Electronic Properties Measuring and Testing Instruments · CAGE 6UW26 · E4146QUAD · 16NZ4146Q
Nearby stock numbers← 6625-01-643-7254 Generator, Digital Clock Pulse
·
6625-01-643-7304 Generator, Reference Signal →
Features
Reflectometer,optical Time Domai — FSC 6625
4 manufacturer part numbers on file
Manufacturer of record: Viavi Solutions Inc. Div Communications Test
Identification
NSN: 6625-01-643-7261
NIIN: 016437261
FSC: 6625 — Electrical and Electronic Properties Measuring and Testing Instruments
FSG: 66 — Instruments and Laboratory Equipment
Primary part number: E4146QUAD
Manufacturer: Viavi Solutions Inc. Div Communications Test
General Description
The Reflectometer,optical Time Domai, cataloged under National Stock Number 6625-01-643-7261, is classified within Federal Supply Class 6625 (Electrical and Electronic Properties Measuring and Testing Instruments) of the Instruments and Laboratory Equipment group. The manufacturer of record is Viavi Solutions Inc. Div Communications Test. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active. Unit of issue: EA.
Technical Specifications
Parameter
Value
NSN
6625-01-643-7261
Primary Part Number
E4146QUAD
Item Name
Reflectometer,optical Time Domai
FSC / FSG
6625 / 66 — Electrical and Electronic Properties Measuring and Testing Instruments
Manufacturer
Viavi Solutions Inc. Div Communications Test
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 6625 — Electrical and Electronic Properties Measuring and Testing Instruments
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
6625-00-000-0309
6625-00-000-0309 · Item name not on file
6625-00-000-0480
6625-00-000-0480 · Item name not on file
6625-00-001-1338
6625-00-001-1338 · Item name not on file
6625-00-001-1341
6625-00-001-1341 · Item name not on file
6625-00-001-1371
6625-00-001-1371 · Item name not on file
6625-00-001-1373
6625-00-001-1373 · Item name not on file
6625-00-001-1374
6625-00-001-1374 · Item name not on file
6625-00-001-1377
SWEEP GENERATOR SUBASSEMBLY
Frequently Asked Questions
What is NSN 6625-01-643-7261?
NSN 6625-01-643-7261 is a Reflectometer,optical Time Domai, manufactured by Viavi Solutions Inc. Div Communications Test, classified under FSC 6625, Electrical and Electronic Properties Measuring and Testing Instruments. Status: active.
What part numbers are listed for NSN 6625-01-643-7261?
NSN 6625-01-643-7261 has 4 manufacturer part numbers on file: E4146QUAD (Viavi Solutions Inc. Div Communications Test), E4146QUAD (Viavi Solutions Inc. Dba Viavi), E4146QUAD (Kitco Fiber Optics Inc Div Kitco Fiber Optics), 16NZ4146Q (Itochu).
What are the specifications of E4146QUAD?
Key specifications for E4146QUAD: Special Features: WAVELENGTHS: MULTIMODE: 850/1300NM, SINGLE-MODE: 1310/1550NM; RMS DYNAMIC RANGE: MULTIMODE: 27/25 DB, SINGLE-MODE: 27/35 DB DB; Part Name Assigned by Controlling Agency: MODULE,QUAD; MM/SM DUAL PORT OPTICAL TIME DOMAIN REFLECTOMETER (OTDR) FOR THE T-BERD/MTS-4000 PLATFORM; End Item Identification: TB4000-NV-C. 0 specifications are documented in the U.S. Government catalog.
Is NSN 6625-01-643-7261 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.