PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AT2Transducer,ultrasonic Test

Ndt Systems, Inc. · NSN 6635-01-671-0416 · FSC 6635 · No Item Name Available
Verified by PartsTable
NSN 6635-01-671-0416 — this item is cataloged by the U.S. Government under National Stock Number 6635-01-671-0416. Primary manufacturer part number: AT2.
Features
  • Transducer,ultrasonic Test — FSC 6635
  • 1 verified cross-reference
  • Primary manufacturer: Ndt Systems, Inc.
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transducer,ultrasonic Test, cataloged under National Stock Number 6635-01-671-0416, is classified within Federal Supply Class 6635 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Ndt Systems, Inc.. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameTransducer,ultrasonic Test
FSC / FSG6635 — No Item Name Available (FSG 66)
ManufacturersNdt Systems, Inc. (CAGE 1YQX1)
Technical Specifications
ParameterValue
NSN6635-01-671-0416
Primary Part NumberAT2
Item NameTransducer,ultrasonic Test
FSC / FSG6635 / 66 — No Item Name Available
ManufacturerNdt Systems, Inc.
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5975-00-176-4344T-42 INTERCHANGEABLE
Conduit Outlet
Bridgeport Fittings Inc
5977-00-303-7966224901 INTERCHANGEABLE
Brush,electrical Contact
Hyster-Yale Group, Inc. Dba Yale Materials Handling
2920-00-455-5414353 INTERCHANGEABLE
Spark Plug
Allied-Signal Inc Autolite Div
6250-00-884-2103 INTERCHANGEABLE
Starter,fluorescent Lamp
Cross-Reference Index
Part NumberManufacturer
AT2 PRIMARY Ndt Systems, Inc. (USA)
Related Parts
5975-00-176-4344INTERCHANGEABLE
CONDUIT OUTLET
T-42
5977-00-303-7966INTERCHANGEABLE
BRUSH,ELECTRICAL CONTACT
224901
2920-00-455-5414INTERCHANGEABLE
SPARK PLUG
353
6250-00-884-2103INTERCHANGEABLE
STARTER,FLUORESCENT LAMP

Frequently Asked Questions

What is NSN 6635-01-671-0416?

NSN 6635-01-671-0416 is a Transducer,ultrasonic Test, manufactured by Ndt Systems, Inc., classified under FSC 6635 (No Item Name Available). Status: active.

What are the part numbers for NSN 6635-01-671-0416?

NSN 6635-01-671-0416 has 1 cross-referenced part number: AT2 (Ndt Systems, Inc.).

What NSN replaces 6635-01-671-0416?

There are 4 known substitutes for 6635-01-671-0416: 5975-00-176-4344, 5977-00-303-7966, 2920-00-455-5414 and 1 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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