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MS3188B-21A — BACKSHELL,ELECTRICAL CONNECTOR

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

MS3188B-21A: BACKSHELL,ELECTRICAL CONNECTOR.

The BACKSHELL,ELECTRICAL CONNECTOR is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY, seal_type: GROMMET AND PREFORMED PACKING, thread_class: 2B, overall_width: 1.969 INCHES MAXIMUM IN, size_designation: 28, style_designator: ANGLE TYPE W/CLAMP. This part is cataloged in the U.S.

Government catalog under NSN 5935-01-088-6984, 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
MS3188B-21A
NSN: 5935-01-088-6984
NIINs: 010886984, 012484982
FSC: 5935 — Connectors, Electrical
CAGE: 96906 — MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
materialALUMINUM ALLOY
seal_typeGROMMET AND PREFORMED PACKING
thread_class2B
overall_width1.969 INCHES MAXIMUM IN
size_designation28
style_designatorANGLE TYPE W/CLAMP
thread_directionRIGHT-HAND
body_angle_in_deg90.0
surface_treatmentCADMIUM AND CHROMATE
nominal_thread_size1.438 INCHES IN
cable_opening_diameter0.625 INCHES MINIMUM AND 0.937 INCHES MAXIMUM IN
cable_opening_quantity1
NSN5935-01-088-6984
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available BACKSHELL,ELECTRICAL CONNECTOR TITLE COMPONENT PN MS3188B-21A MFR BACKSHELL,ELECTRICAL C
KEY FEATURES
•
MOUNTING FACILITY TYPE AND QUANTITY: 1 THREADED COUPLING
•
SEAL TYPE: GROMMET AND PREFORMED PACKING
•
DISTANCE FROM CENTERLINE TO CABLE END: 3.706 INCHES NOMINAL IN
•
BODY ANGLE IN DEG: 90.0
•
STYLE DESIGNATOR: ANGLE TYPE W/CLAMP
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 1.750 INCHES IN
TECHNICAL CHARACTERISTICS
MOUNTING FACILITY TYPE AND QUANTITY1 THREADED COUPLING
SEAL TYPEGROMMET AND PREFORMED PACKING
DISTANCE FROM CENTERLINE TO CABLE END3.706 INCHES NOMINAL IN
BODY ANGLE IN DEG90.0
STYLE DESIGNATORANGLE TYPE W/CLAMP
OVERALL WIDTH1.750 INCHES NOMINAL IN
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE1.750 INCHES IN
SPECIFICATION/STANDARD DATA96906-MS3188 GOVERNMENT STANDARD
CABLE OPENING QUANTITY1
SUBSTITUTES & CROSS-REFERENCES 1
MIL-C-5015Reference document
Same NSN cross-reference
Reference document — Identification reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is MS3188B-21A?
MS3188B-21A is a BACKSHELL,ELECTRICAL CONNECTOR.
What parts can replace MS3188B-21A?
There is 1 known substitute for MS3188B-21A: MIL-C-5015. Substitute compatibility should be verified for your specific system.
What is the NSN for MS3188B-21A?
MS3188B-21A is cataloged in the U.S. Government catalog under NSN 5935-01-088-6984. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.