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Technical Data Sheet
634 ✓ Verified by PartsTable
· MRO · MRO_GENERAL
WHAT YOU NEED TO KNOW
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PRODUCT OVERVIEW

The ELECTRONIC MODULE,STANDARDIZED is a the manufacturer industrial component. Key specifications include width: 10.25 INCHES IN, damper: INCLUDED, length: 10.75 INCHES IN, material: STEEL, overall_width: 14.25 INCHES NOMINAL IN, overall_height: 6.625 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6625-00-070-4530, 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
MRO MRO_GENERAL 634
NSN: 6625-00-070-4530
FSC: 6625
CAGE: 77221 — PHAOSTRON INSTRUMENT AND ELECTRONIC COMPANY (USA)
SPECIFICATIONS
width10.25 INCHES IN
damperINCLUDED
length10.75 INCHES IN
materialSTEEL
overall_width14.25 INCHES NOMINAL IN
overall_height6.625 INCHES NOMINAL IN
overall_length18.75 INCHES NOMINAL IN
special_featuresBUILT-IN BACKDRAFT DAMPENER AND BIRD SCREEN
style_designatorFIXED 90 DEG ANGLE
overall_thickness0.701 MILLIMETERS NOMINAL MM
surface_treatmentPAINT
fitting_overall_length10.0 INCHES MAXIMUM IN
NSN6625-00-070-4530
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available ELECTRONIC MODULE,STANDARDIZED TITLE COMPONENT PN 634 MFR ELECTRONIC MODULE,STAN
KEY FEATURES
MOUNTING HOLE DIAMETER: 0.143 INCHES MINIMUM AND 0.157 INCHES MAXIMUM IN
POINTER COLOR: BLACK SINGLE INDICATOR ALL RANGES
POWER SOURCE: EXTERNAL
MOUNTING FACILITY TYPE AND QUANTITY: 3 UNTHREADED HOLE(S)
MOVEMENT SUSPENSION METHOD: TAUT BAND
FEATURES PROVIDED: ZERO ADJUSTER
CIRCUIT CONSTRUCTION TYPE: NONELECTRONIC
TECHNICAL CHARACTERISTICS (FLIS)
MOUNTING HOLE DIAMETER0.143 INCHES MINIMUM AND 0.157 INCHES MAXIMUM IN
POINTER COLORBLACK SINGLE INDICATOR ALL RANGES
POWER SOURCEEXTERNAL
MOUNTING FACILITY TYPE AND QUANTITY3 UNTHREADED HOLE(S)
SPECIAL FEATURESRUGGEDIZED
MOVEMENT SUSPENSION METHODTAUT BAND
FEATURES PROVIDEDZERO ADJUSTER
CIRCUIT CONSTRUCTION TYPENONELECTRONIC
CIRCUIT ATTACHMENT METHOD AND QUANTITY2 THREADED STUD
MEASUREMENT RANGE+0.0 TO 10.0 AMPERES, DC SINGLE INDICATOR FIRST RANGE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
634Interchangeable
interchangeable cross-reference
interchangeable
631Interchangeable
interchangeable cross-reference
interchangeable
12HLFDInterchangeable
interchangeable cross-reference
interchangeable
AS5183D1212Interchangeable
interchangeable cross-reference
interchangeable
SAE-AS4843/2Interchangeable
interchangeable cross-reference
interchangeable
MIL-F-2692Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 634?
634 is a ELECTRONIC MODULE,STANDARDIZED. It is classified as a MRO (MRO_GENERAL).
What parts can replace 634?
There are 14 known substitutes for 634: 634, 631, 12HLFD and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 634?
634 is cataloged in the Federal Logistics Information System (FLIS) under NSN 6625-00-070-4530. This indicates validated use in U.S. government and defense supply chains.
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