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Technical Data Sheet
18557 ✓ Verified by PartsTable
Clementoni · MRO · MRO_GENERAL
WHAT YOU NEED TO KNOW
Stranded for flexible routing, solid for conduit THHN/THWN dual-rated — check both tables
Ampacity depends on installation method
PRODUCT OVERVIEW

The BEARING,BALL,ANNULAR is a Clementoni industrial component. Key specifications include color: BROWN FIRST POSITION COVER SINGLE CONDUCTOR, material: STEEL INNER RING, bore_shape: STRAIGHT, temp_rating: 105.0 CELSIUS DEGC, bore_diameter: 6.7500 INCHES NOMINAL IN, overall_width: 0.6250 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6145-00-805-3368, 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
MRO MRO_GENERAL 18557
NSN: 6145-00-805-3368
FSC: 6145
CAGE: 92194 — BELDEN, INC. (USA)
SPECIFICATIONS
colorBROWN FIRST POSITION COVER SINGLE CONDUCTOR
materialSTEEL INNER RING
bore_shapeSTRAIGHT
temp_rating105.0 CELSIUS DEGC
bore_diameter6.7500 INCHES NOMINAL IN
overall_width0.6250 INCHES NOMINAL IN
conductor_formSTRANDED SINGLE CONDUCTOR
load_directionRADIAL
surface_finishGROUND
voltage_rating600.0 MAXIMUM ROOT MEAN SQUARE (RMS) OPERATING VOLTAGE SINGLE CONDUCTOR
style_designatorNON-LOADING GROOVE, NON-SEPARABLE
surface_treatmentTIN CORE CONDUCTOR SINGLE CONDUCTOR
NSN6145-00-805-3368
COMPONENT DIAGRAM
WIRE / CABLE — AMPACITY DEPENDS ON INSTALLATION CROSS-SECTION JACKET WIRE SPECIFICATIONS Conductor Size: — Conductor Count: — Voltage Rating: — Insulation: — Temp Rating: — PN: 18557 · Clementoni ⚠ VERIFY BEFORE ORDERING Ampacity depends on installation method — conduit ≠ free air ≠ underground. Same wire, different ratings. AWG sizing is inverse — smaller number = thicker wire (4 AWG > 12 AWG) ✓ BROKER TIP Stranded = flexible routing and vibration resistance. Solid = fixed conduit runs only. THHN/THWN = dual rated — check both dry and wet ampacity tables PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
CROSS-SECTIONAL SHAPE STYLE: ROUND
TEMP RATING: 105.0 CELSIUS DEGC
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM B33 ASSN STD ALL MATERIAL RESPONSES CORE CONDUCTOR SINGLE CONDUCTOR
COLOR: BROWN FIRST POSITION COVER SINGLE CONDUCTOR
MATERIAL: COPPER ALLOY 101 OR COPPER ALLOY 102 CORE CONDUCTOR SINGLE CONDUCTOR
STRAND AWG SIZE PER CONDUCTOR: 30 SINGLE CONDUCTOR
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: ASTM B33-63 ASSN STD SINGLE TREATMENT RESPONSE CORE CONDUCTOR SINGLE CONDUCTOR
ROUND CONDUCTOR SIZE: 22 AWG SINGLE CONDUCTOR
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL SHAPE STYLEROUND
TEMP RATING105.0 CELSIUS DEGC
MATERIAL DOCUMENT AND CLASSIFICATIONASTM B33 ASSN STD ALL MATERIAL RESPONSES CORE CONDUCTOR SINGLE CONDUCTOR
COLORBROWN FIRST POSITION COVER SINGLE CONDUCTOR
MATERIALCOPPER ALLOY 101 OR COPPER ALLOY 102 CORE CONDUCTOR SINGLE CONDUCTOR
STRAND AWG SIZE PER CONDUCTOR30 SINGLE CONDUCTOR
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONASTM B33-63 ASSN STD SINGLE TREATMENT RESPONSE CORE CONDUCTOR SINGLE CONDUCTOR
ROUND CONDUCTOR SIZE22 AWG SINGLE CONDUCTOR
CROSS SECTION OUTSIDE DIAMETER0.049 INCHES NOMINAL IN
CONDUCTOR FORMSTRANDED SINGLE CONDUCTOR
VERIFIED SUBSTITUTES & CROSS-REFERENCES 24
M16878/1BKE9Upgraded Successor
successor cross-reference
successor
AS22759/16Upgraded Successor
successor cross-reference
successor
M22759/16-14-9Upgraded Successor
successor cross-reference
successor
1859/19-4Upgraded Successor
successor cross-reference
successor
M22759/16-14-5Upgraded Successor
successor cross-reference
successor
MIL-W-16878/1Upgraded Successor
successor cross-reference
successor
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 18557?
18557 is a BEARING,BALL,ANNULAR manufactured by Clementoni. It is classified as a MRO (MRO_GENERAL).
What parts can replace 18557?
There are 24 known substitutes for 18557: M16878/1BKE9, AS22759/16, M22759/16-14-9 and 21 more. Substitute compatibility should be verified for your specific system.
Is 18557 still available?
18557 is currently cancelled.
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