PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

ZA1633Fluorescent Penetrant Inspection

Illinois Tool Works, Inc. Div Magnaflux · NSN 6635-00-641-2661 · FSC 6635 · No Item Name Available
Verified by PartsTable
NSN 6635-00-641-2661 — this item is cataloged by the U.S. Government under National Stock Number 6635-00-641-2661. Primary manufacturer part number: ZA1633.
Features
  • Fluorescent Penetrant Inspection — FSC 6635
  • 10 verified cross-references
  • Primary manufacturer: Illinois Tool Works, Inc. Div Magnaflux
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Fluorescent Penetrant Inspection, cataloged under National Stock Number 6635-00-641-2661, is classified within Federal Supply Class 6635 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Illinois Tool Works, Inc. Div Magnaflux. This item has 10 commercial cross-references from 8 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6635-00-641-2661
Primary Part NumberZA1633
Item NameFluorescent Penetrant Inspection
FSC / FSG6635 / 66 — No Item Name Available
ManufacturerIllinois Tool Works, Inc. Div Magnaflux
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
6635-00-110-9463 INTERCHANGEABLE
Fluorescent Penetrant Inspection
6635-00-134-1408ZA29G INTERCHANGEABLE
Fluorescent Penetrant Inspection
Illinois Tool Works, Inc. Div Magnaflux
6635-00-249-5341 INTERCHANGEABLE
Fluorescent Penetrant Inspection
6685-00-274-5533GA1 INTERCHANGEABLE
Adapter,gage
Enerpac Tool Group Corp
5110-00-293-0446GA1 INTERCHANGEABLE
Splitting Tool,bushing,hand
Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc
6635-00-334-7417ZA28E INTERCHANGEABLE
Fluorescent Penetrant Inspection
Illinois Tool Works, Inc. Div Magnaflux
6635-00-334-7419 INTERCHANGEABLE
Fluorescent Penetrant Inspection
6635-00-334-7420 INTERCHANGEABLE
Fluorescent Penetrant Inspection
6635-00-341-8339ZA7 INTERCHANGEABLE
Fluorescent Penetrant Inspection
Illinois Tool Works, Inc. Div Magnaflux
5930-00-683-2104 INTERCHANGEABLE
Switch,rotary
Cross-Reference Index
Part NumberManufacturer
ZA1633 PRIMARY Illinois Tool Works, Inc. Div Magnaflux (USA)
PS-101 Jenks, William Dba Solid State Systems (USA)
WWW-100 Gould & Bass Company, Inc. (USA)
WWW-100 Brent America, Inc (USA)
WWW-100 Chemetall Oakite Inc (USA)
6635-7521-0000 Defense Supply Center Richmond Industrial Plant Equipment /dla/ (USA)
ZA28W Illinois Tool Works, Inc. Div Magnaflux (USA)
36000AW Bardel Inc (USA)
UWW-100 PRIMARY Gould & Bass Company, Inc. (USA)
GA-1 Q a Special Services Incorporated Dba Granier & Associates (USA)
Related Parts
6635-00-110-9463INTERCHANGEABLE
FLUORESCENT PENETRANT INSPECTION
6635-00-134-1408INTERCHANGEABLE
FLUORESCENT PENETRANT INSPECTION
ZA29G
6635-00-249-5341INTERCHANGEABLE
FLUORESCENT PENETRANT INSPECTION
6685-00-274-5533INTERCHANGEABLE
ADAPTER,GAGE
GA1
5110-00-293-0446INTERCHANGEABLE
SPLITTING TOOL,BUSHING,HAND
GA1
6635-00-334-7417INTERCHANGEABLE
FLUORESCENT PENETRANT INSPECTION
ZA28E
6635-00-334-7419INTERCHANGEABLE
FLUORESCENT PENETRANT INSPECTION
6635-00-334-7420INTERCHANGEABLE
FLUORESCENT PENETRANT INSPECTION
6635-00-341-8339INTERCHANGEABLE
FLUORESCENT PENETRANT INSPECTION
ZA7
5930-00-683-2104INTERCHANGEABLE
SWITCH,ROTARY
4330-01-059-9415INTERCHANGEABLE
FILTER ELEMENT,FLUID
PS701P
6635-01-063-2304INTERCHANGEABLE
MAGNETIC INSPECTION UNIT,STATION
178148

Frequently Asked Questions

What is NSN 6635-00-641-2661?

NSN 6635-00-641-2661 is a Fluorescent Penetrant Inspection, manufactured by Illinois Tool Works, Inc. Div Magnaflux, classified under FSC 6635 (No Item Name Available). Status: active.

What are the part numbers for NSN 6635-00-641-2661?

NSN 6635-00-641-2661 has 10 cross-referenced part numbers: ZA1633 (Illinois Tool Works, Inc. Div Magnaflux), PS-101 (Jenks, William Dba Solid State Systems), WWW-100 (Gould & Bass Company, Inc.), WWW-100 (Brent America, Inc), WWW-100 (Chemetall Oakite Inc) and 5 more.

What NSN replaces 6635-00-641-2661?

There are 12 known substitutes for 6635-00-641-2661: 6635-00-110-9463, 6635-00-134-1408, 6635-00-249-5341 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of ZA1633?

Key specifications for ZA1633: Special Features: INTEGRAL DESIGN,COMPONENTS,1 CURTAIN ENCLOSED INSPECTION TABLE W/ONE BLACK LIGHT,1 TANK DEVELOPING POWDER 14-3/4 IN. BY 33-1/4 IN. W/DRAIN GRILLE,1 TANK, DIP 15-3/4 IN. BY 33-1/4 IN.,1 TANK,RINSE 14-3/4 IN. BY 33-3/4 IN. W/ONE BLACK LIGHT; SPRAY TYPE RINSE TANK;DIM. DATA,132 IN. LG O/A, 56 IN. W O/A, 80 IN. H O/A,36 IN. H TO TOP OF TABLE;ELECTRIC POWER REQUIREMENTS,220 TO 440V,60 CYCLES,SINGLE PHASE V. 1 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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