PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MA-3Fluorescent Penetrant Inspection

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 6635-00-249-5341 · FSC 6635 · No Item Name Available
Verified by PartsTable
NSN 6635-00-249-5341 — this item is cataloged by the U.S. Government under National Stock Number 6635-00-249-5341. Primary manufacturer part number: MA-3.
Features
  • Fluorescent Penetrant Inspection — FSC 6635
  • Nondefinitive Spec/std Data: MA-3 TYPE
  • 9 verified cross-references
  • Primary manufacturer: Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Fluorescent Penetrant Inspection, cataloged under National Stock Number 6635-00-249-5341, is classified within Federal Supply Class 6635 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 3 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
NSN6635-00-249-5341
Primary Part NumberMA-3
Item NameFluorescent Penetrant Inspection
FSC / FSG6635 / 66 — No Item Name Available
ManufacturerMilitary Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
StatusACTIVE
Nondefinitive Spec/std DataMA-3 TYPE
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
4920-00-176-9140T878 INTERCHANGEABLE
Test Set,generator
Avtron Aerospace Inc
6635-00-249-5340 INTERCHANGEABLE
Fluorescent Penetrant Inspection
4120-00-289-9241 INTERCHANGEABLE
Air Conditioner
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
2940-00-541-3499376376R92 INTERCHANGEABLE
Filter Element,fluid
Dressta North America Ltd
Cross-Reference Index
Part NumberManufacturer
MA-3 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-F-38762 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
AA58050 TYPE 11 SIZE 6 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
A-A-58050 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
M32531-II6ASF Federal Specifications Promulgated by General Services Administration Washington DC (USA)
A-A-58050 PT-72 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
MIL-PRF-32531 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
6635-7521-0000 Defense Supply Center Richmond Industrial Plant Equipment /dla/ (USA)
PT-72 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
Related Parts
6635-00-110-9463INTERCHANGEABLE
FLUORESCENT PENETRANT INSPECTION
6635-00-134-1408INTERCHANGEABLE
FLUORESCENT PENETRANT INSPECTION
ZA29G
4920-00-176-9140INTERCHANGEABLE
TEST SET,GENERATOR
T878
6635-00-249-5340INTERCHANGEABLE
FLUORESCENT PENETRANT INSPECTION
4120-00-289-9241INTERCHANGEABLE
AIR CONDITIONER
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
2940-00-541-3499INTERCHANGEABLE
FILTER ELEMENT,FLUID
376376R92
6130-00-553-1504INTERCHANGEABLE
CHARGER,BATTERY
6635-00-641-2661INTERCHANGEABLE
FLUORESCENT PENETRANT INSPECTION
UWW-100

Frequently Asked Questions

What is NSN 6635-00-249-5341?

NSN 6635-00-249-5341 is a Fluorescent Penetrant Inspection, manufactured by Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 6635 (No Item Name Available). Status: active.

What are the part numbers for NSN 6635-00-249-5341?

NSN 6635-00-249-5341 has 9 cross-referenced part numbers: MA-3 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-F-38762 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), AA58050 TYPE 11 SIZE 6 (Federal Specifications Promulgated by General Services Administration Washington DC), A-A-58050 (Federal Specifications Promulgated by General Services Administration Washington DC), M32531-II6ASF (Federal Specifications Promulgated by General Services Administration Washington DC) and 4 more.

What NSN replaces 6635-00-249-5341?

There are 12 known substitutes for 6635-00-249-5341: 6635-00-110-9463, 6635-00-134-1408, 4920-00-176-9140 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MA-3?

Key specifications for MA-3: Nondefinitive Spec/std Data: MA-3 TYPE; Special Features: C/O PENETRANT,PENETRANT DRAIN,EMULSIFICATION,EMULSIFICATION DRAIN,RINSE,DEVELOPER,DEVELOPER DRAIN,HOT AIR RECIRCULATING DRYER,COOLER,& INSPECTION STATIONS;INT. TANK SIZE 67.000 IN. LG,44.000 IN. W,26.000 IN. H;STRUCTURAL STL FRAME ANGLES,16 GAGE CARBON STL TANKS; 50 TO 500 DEG. F THERMOSTAT CONTROL; 220 OR 440 V LINE,BUILT-IN XFRMR 110 OR 120 V V. 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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