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AD51 ✓ 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

SOCKET,PLUG-IN ELECTRONIC COMPON. Key specifications include material: PLASTIC POLYAMIDE NYLON BODY, body_style: TOP MOUNT W/TABS, overall_width: 1.500 INCHES NOMINAL IN, overall_height: 0.436 INCHES NOMINAL IN, overall_length: 2.030 INCHES NOMINAL IN, mounting_method: UNTHREADED HOLE(S). This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5935-00-566-1078, 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
AD51
NSN: 5935-00-566-1078
FSC: 5935
CAGE: 78277 — SIGMA INSTRUMENTS INC (USA)
SPECIFICATIONS
materialPLASTIC POLYAMIDE NYLON BODY
body_styleTOP MOUNT W/TABS
overall_width1.500 INCHES NOMINAL IN
overall_height0.436 INCHES NOMINAL IN
overall_length2.030 INCHES NOMINAL IN
mounting_methodUNTHREADED HOLE(S)
special_featuresWEAPON SYSTEM ESSENTIAL
polarization_typeCONTACT POSITION
surface_treatmentSILVER CONTACT
fabrication_methodMOLDED
mounting_hole_styleRECTANGULAR, W/TWO MOUNTING HOLES/SLOTS
mounting_hole_diameter0.165 INCHES NOMINAL IN
NSN5935-00-566-1078
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SOCKET,PLUG-IN ELECTRONIC COMPON TITLE COMPONENT PN AD51 MFR SOCKET,PLUG-IN ELECTRO
KEY FEATURES
•
CENTER TO CENTER DISTANCE BETWEEN OUTSIDE MOUNTING HOLES ALONG WIDTH: 0.875 INCHES NOMINAL IN
•
CONTACT POSITION ARRANGEMENT STYLE: IRREGULAR
•
CENTER TO CENTER DISTANCE BETWEEN OUTSIDE MOUNTING HOLES ALONG LENGTH: 1.687 INCHES NOMINAL IN
•
MATERIAL: PLASTIC POLYAMIDE NYLON BODY
•
MOUNTING METHOD: UNTHREADED HOLE(S)
•
MOUNTING HOLE DIAMETER: 0.165 INCHES NOMINAL IN
•
TERMINAL TYPE AND QUANTITY: 11 PRINTED CIRCUIT
TECHNICAL CHARACTERISTICS (FLIS)
CENTER TO CENTER DISTANCE BETWEEN OUTSIDE MOUNTING HOLES ALONG WIDTH0.875 INCHES NOMINAL IN
CONTACT POSITION ARRANGEMENT STYLEIRREGULAR
CENTER TO CENTER DISTANCE BETWEEN OUTSIDE MOUNTING HOLES ALONG LENGTH1.687 INCHES NOMINAL IN
MATERIALPLASTIC POLYAMIDE NYLON BODY
MOUNTING METHODUNTHREADED HOLE(S)
MOUNTING HOLE DIAMETER0.165 INCHES NOMINAL IN
OVERALL WIDTH1.500 INCHES NOMINAL IN
TERMINAL TYPE AND QUANTITY11 PRINTED CIRCUIT
MATERIALCOPPER ALLOY CONTACT
SURFACE TREATMENTSILVER CONTACT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
A-A-550Interchangeable
interchangeable cross-reference
interchangeable
UU-B-36Interchangeable
interchangeable cross-reference
interchangeable
100076Interchangeable
interchangeable cross-reference
interchangeable
90-22030-100Interchangeable
interchangeable cross-reference
interchangeable
75F3R2C473Interchangeable
interchangeable cross-reference
interchangeable
10076Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is AD51?
AD51 is a SOCKET,PLUG-IN ELECTRONIC COMPON.
What parts can replace AD51?
There are 20 known substitutes for AD51: A-A-550, UU-B-36, 100076 and 17 more. Substitute compatibility should be verified for your specific system.
Is AD51 still available?
AD51 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