PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A-A-58050Fluorescent Penetrant Inspection

Federal Specifications Promulgated by General Services Administration Washington DC · NSN 6635-00-334-7420 · FSC 6635 · No Item Name Available
Verified by PartsTable
NSN 6635-00-334-7420 — this item is cataloged by the U.S. Government under National Stock Number 6635-00-334-7420. Primary manufacturer part number: A-A-58050.
Features
  • Fluorescent Penetrant Inspection — FSC 6635
  • Entry Date: 70-04-01
  • Type/model Designation: MA-3
  • Functional Classification: AA-8.12
  • Nondefinitive Spec/std Data: MA-3 TYPE
  • Reference Data and Literature: TO 33B1-2-6-1 & 33B1-2-6-4
  • Functional Description: USED TO INSPECT FERROUS & NON-FERROUS MATL USING NON-DESTRUCTIVE FLUORESCENT PENETRANT METHOD OF INSPECTION; DETECTS FLAWS OR CRACKS IN ALUMINUM,BRASS,COPPER,CAST IRON,STLS STL,MAGNESIUM & NON-MAGNETIC MATL IN ADDITION TO FERROUS MATL
  • Relationship to Similar Equipment: SIMILAR SUBSTITUTE 6635-00-249-5341
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Fluorescent Penetrant Inspection, cataloged under National Stock Number 6635-00-334-7420, is classified within Federal Supply Class 6635 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Federal Specifications Promulgated by General Services Administration Washington DC. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 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: Cancelled.

Technical Specifications
ParameterValue
NSN6635-00-334-7420
Primary Part NumberA-A-58050
Item NameFluorescent Penetrant Inspection
FSC / FSG6635 / 66 — No Item Name Available
ManufacturerFederal Specifications Promulgated by General Services Administration Washington DC
StatusCANCELLED
Entry Date70-04-01
Type/model DesignationMA-3
Functional ClassificationAA-8.12
Nondefinitive Spec/std DataMA-3 TYPE
Reference Data and LiteratureTO 33B1-2-6-1 & 33B1-2-6-4
Functional DescriptionUSED TO INSPECT FERROUS & NON-FERROUS MATL USING NON-DESTRUCTIVE FLUORESCENT PENETRANT METHOD OF INSPECTION; DETECTS FLAWS OR CRACKS IN ALUMINUM,BRASS,COPPER,CAST IRON,STLS STL,MAGNESIUM & NON-MAGNETIC MATL IN ADDITION TO FERROUS MATL
Relationship to Similar EquipmentSIMILAR SUBSTITUTE 6635-00-249-5341
Lifecycle & Compliance
Acquisition StatusCANCELLED
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
6635-00-249-5341 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
6635-00-341-8339ZA7 INTERCHANGEABLE
Fluorescent Penetrant Inspection
Illinois Tool Works, Inc. Div Magnaflux
6130-00-553-1504 INTERCHANGEABLE
Charger,battery
Cross-Reference Index
Part NumberManufacturer
A-A-58050 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
AA58050 TYPE II SIZE 6 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
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
6635-7521-0000 Defense Supply Center Richmond Industrial Plant Equipment /dla/ (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
6635-00-249-5341INTERCHANGEABLE
FLUORESCENT PENETRANT INSPECTION
4120-00-289-9241INTERCHANGEABLE
AIR CONDITIONER
6635-00-334-7417INTERCHANGEABLE
FLUORESCENT PENETRANT INSPECTION
ZA28E
6635-00-334-7419INTERCHANGEABLE
FLUORESCENT PENETRANT INSPECTION
6635-00-341-8339INTERCHANGEABLE
FLUORESCENT PENETRANT INSPECTION
ZA7
6130-00-553-1504INTERCHANGEABLE
CHARGER,BATTERY
6635-00-641-2661INTERCHANGEABLE
FLUORESCENT PENETRANT INSPECTION
UWW-100
5905-00-860-4056INTERCHANGEABLE
RESISTOR,VARIABLE,NONWIRE WOUND,
C615000

Frequently Asked Questions

What is NSN 6635-00-334-7420?

NSN 6635-00-334-7420 is a Fluorescent Penetrant Inspection, manufactured by Federal Specifications Promulgated by General Services Administration Washington DC, classified under FSC 6635 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6635-00-334-7420?

NSN 6635-00-334-7420 has 5 cross-referenced part numbers: A-A-58050 (Federal Specifications Promulgated by General Services Administration Washington DC), AA58050 TYPE II SIZE 6 (Federal Specifications Promulgated by General Services Administration Washington DC), 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), 6635-7521-0000 (Defense Supply Center Richmond Industrial Plant Equipment /dla/).

What NSN replaces 6635-00-334-7420?

There are 12 known substitutes for 6635-00-334-7420: 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 A-A-58050?

Key specifications for A-A-58050: Entry Date: 70-04-01; Type/model Designation: MA-3; Functional Classification: AA-8.12; Special Features: O/A DSIM. 42.000 FT. LG,7.500 FT W,7.333 FT H;ACCOMMODATES MATL UP TO 48.000 IN. LG, 43.000 IN. W, 43.000 IN. H;C/O WET DEVELOPER,RINSE,& DRYER STATIONS AND INSPECTION BOOTH;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; 110 AND 220 VAC I/P W/5 OR 15 OR 45 AMP POWER CONSUMPTION;BUILT-IN XFRMR 110 OR 120 V;COGNIZANT SERVICE:AIR FORCE VAC. 8 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6635-00-334-7420 still in active supply?

NSN 6635-00-334-7420 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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