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PartsTable / COMPONENT / 81871-4
81871-4 ✓ 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 length: 0.781 INCHES MINIMUM AND 0.844 INCHES MAXIMUM SQUARE END IN, material: STEEL OVERALL, body_style: RIGHT ANGLE TYPE, thread_class: 2A AND 2B A, overall_width: 0.250 INCHES NOMINAL IN, terminal_type: SOLDER WELL SINGLE MATING END SINGLE CONTACT GROUPING. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5136-01-038-2904, 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
81871-4
NSN: 5136-01-038-2904
FSC: 5136
CAGE: 01556 — STANLEY ENGINEERED FASTENING LLC (USA)
SPECIFICATIONS
length0.781 INCHES MINIMUM AND 0.844 INCHES MAXIMUM SQUARE END IN
materialSTEEL OVERALL
body_styleRIGHT ANGLE TYPE
thread_class2A AND 2B A
overall_width0.250 INCHES NOMINAL IN
terminal_typeSOLDER WELL SINGLE MATING END SINGLE CONTACT GROUPING
thread_length2.406 INCHES MINIMUM AND 2.594 INCHES MAXIMUM IN
flute_quantity4
overall_height0.550 INCHES NOMINAL IN
overall_length1.360 INCHES MAXIMUM IN
shank_diameter0.798 INCHES MINIMUM AND 0.800 INCHES MAXIMUM IN
contact_materialCOPPER ALLOY SINGLE MATING END SINGLE CONTACT GROUPING
NSN5136-01-038-2904
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CONNECTOR,RECEPTACLE,ELECTRICAL TITLE COMPONENT PN 81871-4 MFR CONNECTOR,RECEPTACLE,E
KEY FEATURES
•
THREAD PITCH DIAMETERS: +0.8028 TO 0.8089 INCHES IN
•
MATERIAL: STEEL OVERALL
•
LENGTH: 0.781 INCHES MINIMUM AND 0.844 INCHES MAXIMUM SQUARE END IN
•
THREAD STRUCTURE: REGULAR
•
STARTING CHAMFER TYPE: PLUG
•
THREAD FORMING METHOD: GROUND
TECHNICAL CHARACTERISTICS (FLIS)
THREAD PITCH DIAMETERS+0.8028 TO 0.8089 INCHES IN
MATERIALSTEEL OVERALL
OVERALL LENGTH5.094 INCHES MINIMUM AND 5.156 INCHES MAXIMUM IN
LENGTH0.781 INCHES MINIMUM AND 0.844 INCHES MAXIMUM SQUARE END IN
THREAD STRUCTUREREGULAR
SPECIAL FEATURESFINISHING TAP FOR SCREW THREAD INSERT
STARTING CHAMFER TYPEPLUG
THREAD FORMING METHODGROUND
STYLE DESIGNATORSTRAIGHT FLUTE
FLUTE QUANTITY4
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
81871Interchangeable
interchangeable cross-reference
interchangeable
81871-4Interchangeable
interchangeable cross-reference
interchangeable
A-A-59158 TY1CL1Interchangeable
Same NIIN cross-reference
interchangeable
A-A-59158Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 81871-4?
81871-4 is a CONNECTOR,RECEPTACLE,ELECTRICAL.
What parts can replace 81871-4?
There are 4 known substitutes for 81871-4: 81871, 81871-4, A-A-59158 TY1CL1 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 81871-4?
81871-4 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5136-01-038-2904. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026