PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

RA-3/4Probe,eddy Current

Staveley Instruments · NSN 6635-01-672-6389 · FSC 6635 · No Item Name Available
Verified by PartsTable
NSN 6635-01-672-6389 — this item is cataloged by the U.S. Government under National Stock Number 6635-01-672-6389. Primary manufacturer part number: RA-3/4.
Features
  • Probe,eddy Current — FSC 6635
  • 1 verified cross-reference
  • Primary manufacturer: Staveley Instruments
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Probe,eddy Current, cataloged under National Stock Number 6635-01-672-6389, is classified within Federal Supply Class 6635 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Staveley Instruments. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6635-01-672-6389
Primary Part NumberRA-3/4
Item NameProbe,eddy Current
FSC / FSG6635 / 66 — No Item Name Available
ManufacturerStaveley Instruments
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5935-00-348-4627 INTERCHANGEABLE
Socket,plug-in Electronic Compon
3130-00-465-8579RA3/4 INTERCHANGEABLE
Bearing Unit,ball
Timken Co Div the Timken Company
5977-00-552-1392XA-10103B INTERCHANGEABLE
Holder,electrical Contact Brush
Conductix Inc Div Conductix Wampfler
Cross-Reference Index
Part NumberManufacturer
RA-3/4 PRIMARY Staveley Instruments (USA)
Related Parts
5935-00-348-4627INTERCHANGEABLE
SOCKET,PLUG-IN ELECTRONIC COMPON
3130-00-465-8579INTERCHANGEABLE
BEARING UNIT,BALL
RA3/4
5977-00-552-1392INTERCHANGEABLE
HOLDER,ELECTRICAL CONTACT BRUSH
XA-10103B

Frequently Asked Questions

What is NSN 6635-01-672-6389?

NSN 6635-01-672-6389 is a Probe,eddy Current, manufactured by Staveley Instruments, classified under FSC 6635 (No Item Name Available). Status: active.

What are the part numbers for NSN 6635-01-672-6389?

NSN 6635-01-672-6389 has 1 cross-referenced part number: RA-3/4 (Staveley Instruments).

What NSN replaces 6635-01-672-6389?

There are 3 known substitutes for 6635-01-672-6389: 5935-00-348-4627, 3130-00-465-8579, 5977-00-552-1392. Verify interchangeability with system specifications before substitution.

What are the specifications of RA-3/4?

Key specifications for RA-3/4: Part Name Assigned by Controlling Agency: PROBE; Special Features: STAINLESS STEEL. 2 total characteristics are documented in the Federal Logistics Information System.

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