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3811A ✓ 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

CONNECTOR,RECEPTACLE,ELECTRICAL. Key specifications include material: IRON OVERALL, body_style: STRAIGHT SHAPE, EXTERNAL COUPLING, ring_style: CONCENTRIC, shell_type: SOLID, joint_style: VERTICAL JOINT, thread_class: 2A A. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 2815-00-273-0585, 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
3811A
NSN: 2815-00-273-0585
FSC: 2815
CAGE: 65358 — TRACKMOBILE LLC (USA)
SPECIFICATIONS
materialIRON OVERALL
body_styleSTRAIGHT SHAPE, EXTERNAL COUPLING
ring_styleCONCENTRIC
shell_typeSOLID
joint_styleVERTICAL JOINT
thread_class2A A
overall_width0.500 INCHES NOMINAL IN
terminal_typeSOLDER WELL SINGLE MATING END SINGLE CONTACT GROUPING
overall_height0.500 INCHES NOMINAL IN
overall_length0.575 INCHES NOMINAL IN
style_designatorRECTANGULAR
thread_directionRIGHT-HAND
NSN2815-00-273-0585
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CONNECTOR,RECEPTACLE,ELECTRICAL TITLE COMPONENT PN 3811A MFR CONNECTOR,RECEPTACLE,E
KEY FEATURES
•
RADIAL WALL THICKNESS: 0.1600 INCHES MAXIMUM IN
•
MATERIAL: IRON OVERALL
•
STANDARD BORE DIAMETER: 3.750 INCHES IN
•
RING STYLE: CONCENTRIC
•
FSC APPLICATION DATA: PISTON,DIESEL,ENGINE
•
JOINT STYLE: VERTICAL JOINT
•
CROSS-SECTIONAL SHAPE STYLE: PLAIN RECTANGULAR, STRAIGHT FACE
TECHNICAL CHARACTERISTICS (FLIS)
RADIAL WALL THICKNESS0.1600 INCHES MAXIMUM IN
MATERIALIRON OVERALL
STANDARD BORE DIAMETER3.750 INCHES IN
RING STYLECONCENTRIC
FSC APPLICATION DATAPISTON,DIESEL,ENGINE
OVERALL WIDTH0.1230 INCHES MINIMUM AND 0.1240 INCHES MAXIMUM IN
JOINT STYLEVERTICAL JOINT
CROSS-SECTIONAL SHAPE STYLEPLAIN RECTANGULAR, STRAIGHT FACE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
381-1Interchangeable
interchangeable cross-reference
interchangeable
UG477UInterchangeable
interchangeable cross-reference
interchangeable
381-1 PL0851Interchangeable
interchangeable cross-reference
interchangeable
E-3213-2PC3811Interchangeable
interchangeable cross-reference
interchangeable
E3295-1PC3811Interchangeable
interchangeable cross-reference
interchangeable
AN6241-8Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 3811A?
3811A is a CONNECTOR,RECEPTACLE,ELECTRICAL.
What parts can replace 3811A?
There are 16 known substitutes for 3811A: 381-1, UG477U, 381-1 PL0851 and 13 more. Substitute compatibility should be verified for your specific system.
Is 3811A still available?
3811A is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026