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Technical Data Sheet
SM3H ✓ Verified by PartsTable
· COMPONENT
WHAT YOU NEED TO KNOW
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Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The BACKSHELL,ELECTRICAL CONNECTOR is a the manufacturer industrial component. Key specifications include material: PLASTIC DIALLYL PHTHALATE OR PLASTIC MELAMINE, thread_class: 2B, overall_length: 0.500 INCHES NOMINAL IN, overall_diameter: 0.312 INCHES NOMINAL IN, style_designator: R.F. THREADED, thread_direction: RIGHT-HAND.

This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5935-00-064-3273, 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
SM3H
NSN: 5935-00-064-3273
FSC: 5935
CAGE: 81312 — WINCHESTER INTERCONNECT CORPORATION DBA WINCHESTER INTERCONNECT DIV WINCHESTER INTERCONNECT (USA)
SPECIFICATIONS
materialPLASTIC DIALLYL PHTHALATE OR PLASTIC MELAMINE
thread_class2B
overall_length0.500 INCHES NOMINAL IN
overall_diameter0.312 INCHES NOMINAL IN
style_designatorR.F. THREADED
thread_directionRIGHT-HAND
nominal_thread_size0.250 INCHES IN
cable_opening_diameter0.125 INCHES MAXIMUM IN
cable_opening_quantity1
thread_quantity_per_inch28
thread_series_designatorUNF
mounting_facility_type_and_quantity1 THREADED COUPLING
NSN5935-00-064-3273
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available BACKSHELL,ELECTRICAL CONNECTOR TITLE COMPONENT PN SM3H MFR BACKSHELL,ELECTRICAL C
KEY FEATURES
THREAD DIRECTION: RIGHT-HAND
STYLE DESIGNATOR: R.F. THREADED
CABLE OPENING QUANTITY: 1
NOMINAL THREAD SIZE: 0.250 INCHES IN
THREAD QUANTITY PER INCH: 28
MOUNTING FACILITY TYPE AND QUANTITY: 1 THREADED COUPLING
THREAD SERIES DESIGNATOR: UNF
MATERIAL: PLASTIC DIALLYL PHTHALATE OR PLASTIC MELAMINE
TECHNICAL CHARACTERISTICS (FLIS)
THREAD DIRECTIONRIGHT-HAND
STYLE DESIGNATORR.F. THREADED
CABLE OPENING QUANTITY1
NOMINAL THREAD SIZE0.250 INCHES IN
THREAD QUANTITY PER INCH28
MOUNTING FACILITY TYPE AND QUANTITY1 THREADED COUPLING
THREAD SERIES DESIGNATORUNF
MATERIALPLASTIC DIALLYL PHTHALATE OR PLASTIC MELAMINE
CABLE OPENING DIAMETER0.125 INCHES MAXIMUM IN
OVERALL DIAMETER0.312 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
1012200-4Interchangeable
interchangeable cross-reference
interchangeable
695762-3Interchangeable
interchangeable cross-reference
interchangeable
126HInterchangeable
interchangeable cross-reference
interchangeable
KC17Interchangeable
interchangeable cross-reference
interchangeable
SR4-136Interchangeable
interchangeable cross-reference
interchangeable
927Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is SM3H?
SM3H is a BACKSHELL,ELECTRICAL CONNECTOR.
What parts can replace SM3H?
There are 11 known substitutes for SM3H: 1012200-4, 695762-3, 126H and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for SM3H?
SM3H is cataloged in the Federal Logistics Information System (FLIS) under NSN 5935-00-064-3273. This indicates validated use in U.S. government and defense supply chains.
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