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16540-B — Technical Data Sheet

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— · 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 BODY,RECEPTACLE,ELECTR. Key specifications include material: STEEL COMP 416, thread_class: 2A NUT THREAD A, thread_length: 0.200 INCHES NOMINAL STUD THREAD IN, overall_length: 1.420 INCHES NOMINAL IN, shoulder_length: 0.520 INCHES NOMINAL IN, style_designator: SHOULDERED. This part is cataloged in the Federal Logistics Information System under NSN 5940-00-051-6257, 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
16540-B
NSN: 5940-00-051-6257
FSC: 5940
CAGE: 81312 — WINCHESTER INTERCONNECT CORPORATION DBA WINCHESTER INTERCONNECT DIV WINCHESTER INTERCONNECT (USA)
SPECIFICATIONS
materialSTEEL COMP 416
thread_class2A NUT THREAD A
thread_length0.200 INCHES NOMINAL STUD THREAD IN
overall_length1.420 INCHES NOMINAL IN
shoulder_length0.520 INCHES NOMINAL IN
style_designatorSHOULDERED
thread_directionRIGHT-HAND STUD THREAD
surface_treatmentPASSIVATE OVERALL
nominal_thread_size0.112 INCHES STUD THREAD IN
nut_end_shank_length0.430 INCHES NOMINAL IN
distance_across_flats0.125 INCHES NOMINAL IN
stud_end_shank_length0.040 INCHES NOMINAL IN
NSN5940-00-051-6257
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CONNECTOR BODY,RECEPTACLE,ELECTR TITLE COMPONENT PN 16540-B MFR CONNECTOR BODY,RECEPTA
VERIFIED SUBSTITUTES & CROSS-REFERENCES 38
6610InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
6618InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
S6618InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
69002-5428InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
013-2001-000-479InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
1JA8683H03InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLEDGOVERNMENT REGISTRY
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 16540-B?
16540-B is a CONNECTOR BODY,RECEPTACLE,ELECTR.
What parts can replace 16540-B?
There are 38 known substitutes for 16540-B: 6610, 6618, S6618 and 35 more. Substitute compatibility should be verified for your specific system.
Is 16540-B still available?
16540-B 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: September 2026