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Technical Data Sheet
MS3437A21A ✓ Verified by PartsTable
· COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
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 seal_type: GROMMET AND PREFORMED PACKING, thread_class: 2B, overall_width: 1.112 INCHES MAXIMUM IN, overall_height: 1.531 INCHES NOMINAL IN, overall_length: 4.206 INCHES NOMINAL IN, size_designation: 16 AND 16S AND 19. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5935-01-177-2359, 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
MS3437A21A
NSN: 5935-01-177-2359
FSC: 5935
CAGE: 96906 — MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
seal_typeGROMMET AND PREFORMED PACKING
thread_class2B
overall_width1.112 INCHES MAXIMUM IN
overall_height1.531 INCHES NOMINAL IN
overall_length4.206 INCHES NOMINAL IN
size_designation16 AND 16S AND 19
style_designatorSTRAIGHT TYPE W/CABLE CLAMP
thread_directionRIGHT-HAND
surface_treatmentCADMIUM
nominal_thread_size1.000 INCHES IN
nominal_thread_length0.290 INCHES IN
cable_opening_diameter0.500 INCHES MINIMUM AND 0.700 INCHES MAXIMUM IN
NSN5935-01-177-2359
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available BACKSHELL,ELECTRICAL CONNECTOR TITLE COMPONENT PN MS3437A21A MFR BACKSHELL,ELECTRICAL C
KEY FEATURES
SEAL TYPE: GROMMET AND PREFORMED PACKING
SPECIFICATION/STANDARD DATA: 81343-AS85049/10 GOVERNMENT SPECIFICATION
SURFACE TREATMENT: CADMIUM
STYLE DESIGNATOR: STRAIGHT TYPE W/CABLE CLAMP
THREAD SERIES DESIGNATOR: UNEF
TEST DATA DOCUMENT: 81343-AS85049 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
THREAD QUANTITY PER INCH: 20
THREAD CLASS: 2B
TECHNICAL CHARACTERISTICS (FLIS)
SEAL TYPEGROMMET AND PREFORMED PACKING
SPECIFICATION/STANDARD DATA81343-AS85049/10 GOVERNMENT SPECIFICATION
SURFACE TREATMENTCADMIUM
STYLE DESIGNATORSTRAIGHT TYPE W/CABLE CLAMP
THREAD SERIES DESIGNATORUNEF
TEST DATA DOCUMENT81343-AS85049 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
THREAD QUANTITY PER INCH20
THREAD CLASS2B
CABLE OPENING QUANTITY1
OVERALL WIDTH1.112 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
030-3196-008Interchangeable
interchangeable cross-reference
interchangeable
M39029/29-212Interchangeable
interchangeable cross-reference
interchangeable
352250042703Interchangeable
interchangeable cross-reference
interchangeable
M85049/10-21WInterchangeable
Same NIIN cross-reference
interchangeable
MIL-C-85049/10Interchangeable
Same NIIN cross-reference
interchangeable
AS85049/10Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MS3437A21A?
MS3437A21A is a BACKSHELL,ELECTRICAL CONNECTOR.
What parts can replace MS3437A21A?
There are 8 known substitutes for MS3437A21A: 030-3196-008, M39029/29-212, 352250042703 and 5 more. Substitute compatibility should be verified for your specific system.
Is MS3437A21A still available?
MS3437A21A is currently cancelled.
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