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Technical Data Sheet

MJ-1 — Technical Data Sheet

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MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M · COMPONENT
WHAT YOU NEED TO KNOW
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Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

INDICATOR,TEMPERATURE,THERMOCOUP. Key specifications include LENGTH: 3.250 INCHES NOMINAL IN, DIAMETER: 2.000 INCHES NOMINAL IN, SCALE RANGE: +0.1 TO 1000.0 DEG CELSIUS SINGLE INDICATOR SINGLE SCALE, CONTACT TYPE: SCREW, POINTER TYPE: INDICATING SINGLE POINTER, SCALE MARKING: MAJOR GRADUATION AND MINOR GRADUATION. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6685-00-092-7953, indicating validated use in U.S.

government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
MJ-1
NSN: 6685-00-092-7953
FSC: 6685
CAGE: 80049 — DEPARTMENT OF THE AIR FORCE (USA)
SPECIFICATIONS
LENGTH3.250 INCHES NOMINAL IN
DIAMETER2.000 INCHES NOMINAL IN
SCALE RANGE+0.1 TO 1000.0 DEG CELSIUS SINGLE INDICATOR SINGLE SCALE
CONTACT TYPESCREW
POINTER TYPEINDICATING SINGLE POINTER
SCALE MARKINGMAJOR GRADUATION AND MINOR GRADUATION
POINTER FINISHFLUORESCENT SINGLE POINTER
CONTACT QUANTITY2
PRESENTATION TYPEDIAL
SCALE DIVISION QUANTITY11 SINGLE INDICATOR SINGLE SCALE
SCALE MARKING TRANSPARENCYFLUORESCENT
NONDEFINITIVE SPEC/STD DATAMJ1 TYPE
NSN6685-00-092-7953
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR MFR: MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M INDICATOR,TEMPERATURE,THERMOCOUP TITLE COMPONENT PN MJ-1 MFR MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M INDICATOR,TEMPERATURE,
KEY FEATURES
SURFACE TREATMENT: CADMIUM
CALIBRATION ACCURACY RATING: ACCURACY +/- 1 DEG C DEGC
SUPPLEMENTARY FEATURES: MANUFACTURERS NAME: INSTRUMENT TEMPERATURE TESTER
FUNCTIONAL DESCRIPTION: USED FOR TESTING AND CALIBRATING AIRCRAFT TEMPERATURE INSTRUMENTS
MATERIAL: STEEL
REFERENCE DATA AND LITERATURE: T.O. 33D2-6-108-4
TECHNICAL CHARACTERISTICS (FLIS)
SURFACE TREATMENTCADMIUM
OVERALL WIDTH18.000 INCHES NOMINAL IN
CALIBRATION ACCURACY RATINGACCURACY +/- 1 DEG C DEGC
SUPPLEMENTARY FEATURESMANUFACTURERS NAME: INSTRUMENT TEMPERATURE TESTER
SPECIAL FEATURESMOUNTED ON 4 RUBBER CUSHIONED GLIDES; INCLUDES FOLDING TYPE SPRING HANDLES LOCATED ON EACH SIDE FOR MOVING AND LIFTING; HAS ONE LIQUID BATH TEST WELL WITH A FREE WORKING SPACE OF 3.5 INCHES DIAMETER AND 9 INCHES DEPTH; INCLUDES AN ELECTRONIC TYPE TEMP CONTROLLER FOR USE IN MANUALLY SELECTING ANY DESIRED TEMP WITHIN THE RANGE OF -55 TO +120 DEG C; THE CONTROLLER IS GRADUATED IN DEGREES C, DESIGNATING EACH 10 DEG GRADUATION; INCLUDES CONTROL PANEL ON FRONT SIDE OF CABINET WITH NECESSARY CONTROLS, GAGES, SWITCHES AND PILOT LIGHTS FOR OPERATION OF THE TESTER IN
FUNCTIONAL DESCRIPTIONUSED FOR TESTING AND CALIBRATING AIRCRAFT TEMPERATURE INSTRUMENTS
MATERIALSTEEL
REFERENCE DATA AND LITERATURET.O. 33D2-6-108-4
UNPACKAGED UNIT WEIGHT250.000 POUNDS LBS
INSTRUMENT CALIBRATION RANGERANGE OF -51 DEG C TO +177 DEG C DEGC
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
152B44Interchangeable
interchangeable cross-reference
interchangeable
157801Interchangeable
interchangeable cross-reference
interchangeable
915LWInterchangeable
interchangeable cross-reference
interchangeable
98400Interchangeable
interchangeable cross-reference
interchangeable
MIL-T-4748Interchangeable
interchangeable cross-reference
interchangeable
PJ1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MJ-1?
MJ-1 is a INDICATOR,TEMPERATURE,THERMOCOUP manufactured by MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M.
What parts can replace MJ-1?
There are 6 known substitutes for MJ-1: 152B44, 157801, 915LW and 3 more. Substitute compatibility should be verified for your specific system.
Is MJ-1 still available?
MJ-1 is currently cancelled.
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