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PartsTable / COMPONENT / AA51146B-2A11B
AA51146B-2A11B ✓ 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

COVER,ELECTRONIC COMMUNICATION E. Key specifications include shape: STRAIGHT, length: 1.375 INCHES NOMINAL IN, diameter: 0.250 INCHES NOMINAL IN, material: TUNGSTEN CARBIDE, mounting_shank: INCLUDED, overall_diameter: 0.250 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3455-00-173-7223, 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
AA51146B-2A11B
NSN: 3455-00-173-7223
FSC: 3455
CAGE: 58536 — FEDERAL COMMERCIAL ITEM DESCRIPTION PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC (USA)
SPECIFICATIONS
shapeSTRAIGHT
length1.375 INCHES NOMINAL IN
diameter0.250 INCHES NOMINAL IN
materialTUNGSTEN CARBIDE
mounting_shankINCLUDED
overall_diameter0.250 INCHES NOMINAL IN
style_designatorCYLINDRICAL SHAPE WITH END CUT
removability_featureNOT INCLUDED
shank_overall_length2.000 INCHES NOMINAL IN
cutter_tooth_cut_styleMEDIUM
cutting_surface_length0.625 INCHES NOMINAL IN
cutter_tooth_shaping_methodGROUND FROM SOLID
NSN3455-00-173-7223
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available COVER,ELECTRONIC COMMUNICATION E TITLE COMPONENT PN AA51146B-2A11B MFR COVER,ELECTRONIC COMMU
KEY FEATURES
•
NONDEFINITIVE SPEC/STD DATA: 2 TYPE AND A STYLE AND 11 SIZE AND B CLASS
•
STYLE DESIGNATOR: CYLINDRICAL SHAPE WITH END CUT
•
MATERIAL: TUNGSTEN CARBIDE
•
DIAMETER: 0.250 INCHES NOMINAL IN
•
CUTTER TOOTH CUT STYLE: MEDIUM
•
CUTTER TOOTH SHAPING METHOD: GROUND FROM SOLID
•
OVERALL DIAMETER: 0.250 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
NONDEFINITIVE SPEC/STD DATA2 TYPE AND A STYLE AND 11 SIZE AND B CLASS
STYLE DESIGNATORCYLINDRICAL SHAPE WITH END CUT
MATERIALTUNGSTEN CARBIDE
DIAMETER0.250 INCHES NOMINAL IN
NONDEFINITIVE SPEC/STD DATA2 TYPE AND A STYLE AND 11 SIZE AND B CLASS
CUTTER TOOTH CUT STYLEMEDIUM
CUTTER TOOTH SHAPING METHODGROUND FROM SOLID
OVERALL DIAMETER0.250 INCHES NOMINAL IN
STYLE DESIGNATORCYLINDRICAL SHAPE WITH END CUT
SHAPESTRAIGHT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 21
51211Interchangeable
interchangeable cross-reference
interchangeable
10653192Interchangeable
interchangeable cross-reference
interchangeable
168-1016-002Interchangeable
interchangeable cross-reference
interchangeable
SB1Interchangeable
interchangeable cross-reference
interchangeable
120-000584 MODEL SB1Interchangeable
interchangeable cross-reference
interchangeable
120-000584Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is AA51146B-2A11B?
AA51146B-2A11B is a COVER,ELECTRONIC COMMUNICATION E.
What parts can replace AA51146B-2A11B?
There are 21 known substitutes for AA51146B-2A11B: 51211, 10653192, 168-1016-002 and 18 more. Substitute compatibility should be verified for your specific system.
Is AA51146B-2A11B still available?
AA51146B-2A11B 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