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PartsTable / COMPONENT / 1551A
1551A ✓ 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: STEEL OVERALL, body_style: STRIP, bore_shape: STRAIGHT, bore_diameter: 90.00 MILLIMETERS NOMINAL MM, overall_width: 43.0 MILLIMETERS NOMINAL MM, load_direction: RADIAL. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5940-00-079-1575, 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
1551A
NSN: 5940-00-079-1575
FSC: 5940
CAGE: 71785 — CINCH CONNECTIVITY SOLUTIONS INC. (USA)
SPECIFICATIONS
materialSTEEL OVERALL
body_styleSTRIP
bore_shapeSTRAIGHT
bore_diameter90.00 MILLIMETERS NOMINAL MM
overall_width43.0 MILLIMETERS NOMINAL MM
load_directionRADIAL
surface_finishGROUND
board_thickness0.062 INCHES IN
shield_quantity2
style_designatorNON-LOADING GROOVE, NON-SEPARABLE
surface_treatmentCADMIUM TERMINALS
board_constructionSOLID CONSTRUCTION
NSN5940-00-079-1575
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SOCKET,PLUG-IN ELECTRONIC COMPON TITLE COMPONENT PN 1551A MFR SOCKET,PLUG-IN ELECTRO
KEY FEATURES
•
BOARD CONSTRUCTION: SOLID CONSTRUCTION
•
TERMINAL STRIP DESIGN: R3-L3-R3-R3-R3-L3-R3
•
SURFACE TREATMENT: CADMIUM TERMINALS
•
MATERIAL: PLASTIC BOARD
•
BOARD HEIGHT EXCLUDING TERMINALS: 0.375 INCHES IN
•
BOARD OVERALL HEIGHT: 0.656 INCHES IN
•
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH: 1.500 INCHES IN
•
MOUNTING FACILITY TYPE AND QUANTITY: 2 FEET FT
TECHNICAL CHARACTERISTICS (FLIS)
BOARD CONSTRUCTIONSOLID CONSTRUCTION
TERMINAL STRIP DESIGNR3-L3-R3-R3-R3-L3-R3
SURFACE TREATMENTCADMIUM TERMINALS
MATERIALPLASTIC BOARD
BOARD HEIGHT EXCLUDING TERMINALS0.375 INCHES IN
BOARD OVERALL HEIGHT0.656 INCHES IN
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH1.500 INCHES IN
MOUNTING FACILITY TYPE AND QUANTITY2 FEET FT
MATERIALSTEEL TERMINALS
BOARD OVERALL LENGTH2.625 INCHES IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 30
826Interchangeable
interchangeable cross-reference
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916Interchangeable
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PR16Interchangeable
interchangeable cross-reference
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3951910Interchangeable
interchangeable cross-reference
interchangeable
FF-B-171/5Interchangeable
interchangeable cross-reference
interchangeable
444T-229Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1551A?
1551A is a SOCKET,PLUG-IN ELECTRONIC COMPON.
What parts can replace 1551A?
There are 30 known substitutes for 1551A: 826, 916, PR16 and 27 more. Substitute compatibility should be verified for your specific system.
Is 1551A still available?
1551A 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