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Technical Data Sheet
55-22121-18US ✓ 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

The BEARING,BALL,ANNULAR is a the manufacturer industrial component. Key specifications include material: PLASTIC, body_style: PLAIN, corner_shape: CHAMFERED ALL CORNERS, chamfer_angle: 45.0 DEGREES NOMINAL ALL CORNERS, chamfer_length: 0.030 INCHES NOMINAL ALL CORNERS IN, overall_length: 0.690 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4320-01-443-7612, 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
55-22121-18US
NSN: 4320-01-443-7612
FSC: 4320
CAGE: 52081 — EURAMCO SAFETY INC (USA)
SPECIFICATIONS
materialPLASTIC
body_stylePLAIN
corner_shapeCHAMFERED ALL CORNERS
chamfer_angle45.0 DEGREES NOMINAL ALL CORNERS
chamfer_length0.030 INCHES NOMINAL ALL CORNERS IN
overall_length0.690 INCHES NOMINAL IN
special_featuresDIFFERENTIATED BY MERCURY FREE CONTAMINATION TESTING
body_inside_diameter7.835 INCHES NOMINAL IN
body_outside_diameter8.394 INCHES MAXIMUM IN
material_document_and_classificationNAVSEA DWG 803-7226047 MIL STD SINGLE MATERIAL RESPONSE
NSN4320-01-443-7612
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available BEARING,BALL,ANNULAR TITLE COMPONENT PN 55-22121-18US MFR BEARING,BALL,ANNULAR
KEY FEATURES
BODY OUTSIDE DIAMETER: 8.394 INCHES MAXIMUM IN
BODY INSIDE DIAMETER: 7.835 INCHES NOMINAL IN
BODY STYLE: PLAIN
CHAMFER ANGLE: 45.0 DEGREES NOMINAL ALL CORNERS
CORNER SHAPE: CHAMFERED ALL CORNERS
MATERIAL: PLASTIC
TECHNICAL CHARACTERISTICS (FLIS)
BODY OUTSIDE DIAMETER8.394 INCHES MAXIMUM IN
OVERALL LENGTH0.690 INCHES NOMINAL IN
BODY INSIDE DIAMETER7.835 INCHES NOMINAL IN
BODY STYLEPLAIN
CHAMFER ANGLE45.0 DEGREES NOMINAL ALL CORNERS
SPECIAL FEATURESDIFFERENTIATED BY MERCURY FREE CONTAMINATION TESTING
CORNER SHAPECHAMFERED ALL CORNERS
MATERIALPLASTIC
CHAMFER LENGTH0.030 INCHES NOMINAL ALL CORNERS IN
MATERIAL DOCUMENT AND CLASSIFICATIONNAVSEA DWG 803-7226047 MIL STD SINGLE MATERIAL RESPONSE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
13214E6630-27Interchangeable
interchangeable cross-reference
interchangeable
10-18132Interchangeable
interchangeable cross-reference
interchangeable
8038X1234Interchangeable
interchangeable cross-reference
interchangeable
55-22121-18Interchangeable
Same NIIN cross-reference
interchangeable
0654C0590S901AInterchangeable
Same NIIN cross-reference
interchangeable
38KLInterchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 55-22121-18US?
55-22121-18US is a BEARING,BALL,ANNULAR.
What parts can replace 55-22121-18US?
There are 6 known substitutes for 55-22121-18US: 13214E6630-27, 10-18132, 8038X1234 and 3 more. Substitute compatibility should be verified for your specific system.
Is 55-22121-18US still available?
55-22121-18US is currently cancelled.
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