PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MB1Magnetic Inspection Unit,station

Department of the Air Force · NSN 6635-00-566-9772 · FSC 6635 · No Item Name Available
Verified by PartsTable
NSN 6635-00-566-9772 — this item is cataloged by the U.S. Government under National Stock Number 6635-00-566-9772. Primary manufacturer part number: MB1.
Features
  • Magnetic Inspection Unit,station — FSC 6635
  • Nondefinitive Spec/std Data: MB-1 TYPE
  • Coil Opening Diameter: 16.000 INCHES NOMINAL IN
  • Current Rating in Amps: 4500.0
  • Phase: THREE
  • Voltage in Volts: 220.0
  • Furnished Items and Quantity: 100 CC CENTRIFUGE TUBE/STAND 1; CONTACTOR BLOCK 1; CONTACT PROD 1 PR; COPPER ROD 1; DRAIN HOSE 1; RED PASTE 2LB; FIELD INDICATOR 1; HOSE BRUSH 1; 15-FT CABLE 2; 10-FT CABLE 2; CLAMPS LBS
  • Current Type: AC
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Magnetic Inspection Unit,station, cataloged under National Stock Number 6635-00-566-9772, is classified within Federal Supply Class 6635 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Department of the Air Force. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 5 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
NSN6635-00-566-9772
Primary Part NumberMB1
Item NameMagnetic Inspection Unit,station
FSC / FSG6635 / 66 — No Item Name Available
ManufacturerDepartment of the Air Force
StatusCANCELLED
Nondefinitive Spec/std DataMB-1 TYPE
Coil Opening Diameter16.000 INCHES NOMINAL IN
Current Rating in Amps4500.0
PhaseTHREE
Voltage in Volts220.0
Furnished Items and Quantity100 CC CENTRIFUGE TUBE/STAND 1; CONTACTOR BLOCK 1; CONTACT PROD 1 PR; COPPER ROD 1; DRAIN HOSE 1; RED PASTE 2LB; FIELD INDICATOR 1; HOSE BRUSH 1; 15-FT CABLE 2; 10-FT CABLE 2; CLAMPS LBS
Current TypeAC
Frequency in Hertz60.0
Departure From Cited DocumentAS MOD BY EXHIBIT WCRTL-1
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5905-00-101-982263291-242 INTERCHANGEABLE
Resistor,fixed,composition
Naval Ship Systems Command
6210-00-299-4616 INTERCHANGEABLE
Light,marker,airport Runway
6635-00-446-8849H710 INTERCHANGEABLE
Magnetic Inspection Unit,station
Illinois Tool Works, Inc. Div Magnaflux
6615-00-463-1851 INTERCHANGEABLE
Bench Set,test
6610-00-514-495214609-1SC1 INTERCHANGEABLE
Indicator,attitude
Honeywell Intl Inc Defense Avionics Systems
6620-00-515-52088TJ50GAB INTERCHANGEABLE
Transmitter,rate of Flow
Ametek Inc Div Aerospace and Defense
1450-00-516-7473 INTERCHANGEABLE
Pallet,loading and Storage,guide
3655-00-542-4398 INTERCHANGEABLE
Trailer,compressed Gas Cylinder
6625-00-811-2440MB1 INTERCHANGEABLE
Bench,measurement
Spectrum Control Inc Div Weinschel
6115-00-877-8995 INTERCHANGEABLE
Generator,alternating Current
Cross-Reference Index
Part NumberManufacturer
MB1 Department of the Air Force (USA)
MAGNETICINSPECTI0NUNITTYPEMB1 Department of the Air Force (USA)
WCRTL1TYPEMB1 Department of the Air Force (USA)
A-A-58049-I Federal Specifications Promulgated by General Services Administration Washington DC (USA)
ANQ4845 Illinois Tool Works, Inc. Div Magnaflux (USA)
MIL-M-6867 TYPE II SIZE 52 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
6635-7512-4554 Defense Supply Center Richmond Industrial Plant Equipment /dla/ (USA)
H-710G Illinois Tool Works, Inc. Div Magnaflux (USA)
MIL-M-6867C Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5905-00-101-9822INTERCHANGEABLE
RESISTOR,FIXED,COMPOSITION
63291-242
6210-00-299-4616INTERCHANGEABLE
LIGHT,MARKER,AIRPORT RUNWAY
6635-00-446-8849INTERCHANGEABLE
MAGNETIC INSPECTION UNIT,STATION
H710
6615-00-463-1851INTERCHANGEABLE
BENCH SET,TEST
6610-00-514-4952INTERCHANGEABLE
INDICATOR,ATTITUDE
14609-1SC1
6620-00-515-5208INTERCHANGEABLE
TRANSMITTER,RATE OF FLOW
8TJ50GAB
1450-00-516-7473INTERCHANGEABLE
PALLET,LOADING AND STORAGE,GUIDE
3655-00-542-4398INTERCHANGEABLE
TRAILER,COMPRESSED GAS CYLINDER
6625-00-811-2440INTERCHANGEABLE
BENCH,MEASUREMENT
MB1
6115-00-877-8995INTERCHANGEABLE
GENERATOR,ALTERNATING CURRENT
2330-01-064-7117INTERCHANGEABLE
CHASSIS,TRAILER
MB1
5310-01-071-0084INTERCHANGEABLE
WASHER,LOCK
MB-1

Frequently Asked Questions

What is NSN 6635-00-566-9772?

NSN 6635-00-566-9772 is a Magnetic Inspection Unit,station, manufactured by Department of the Air Force, classified under FSC 6635 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6635-00-566-9772?

NSN 6635-00-566-9772 has 9 cross-referenced part numbers: MB1 (Department of the Air Force), MAGNETICINSPECTI0NUNITTYPEMB1 (Department of the Air Force), WCRTL1TYPEMB1 (Department of the Air Force), A-A-58049-I (Federal Specifications Promulgated by General Services Administration Washington DC), ANQ4845 (Illinois Tool Works, Inc. Div Magnaflux) and 4 more.

What NSN replaces 6635-00-566-9772?

There are 12 known substitutes for 6635-00-566-9772: 5905-00-101-9822, 6210-00-299-4616, 6635-00-446-8849 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MB1?

Key specifications for MB1: Nondefinitive Spec/std Data: MB-1 TYPE; Coil Opening Diameter: 16.000 INCHES NOMINAL IN; Current Rating in Amps: 4500.0; Phase: THREE. 10 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6635-00-566-9772 still in active supply?

NSN 6635-00-566-9772 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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