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CH171 ✓ Verified by PartsTable
— · PIPE SECTION
WHAT YOU NEED TO KNOW
Schedule = wall thickness, NOT diameter Nominal pipe size != actual OD
Sch 40 and Sch 80 same OD, different wall
PRODUCT OVERVIEW

The BEARING,BALL,ANNULAR is a the manufacturer industrial component. Key specifications include material: STEEL, corner_shape: SQUARE ALL CORNERS, hole_diameter: 0.1875 INCHES NOMINAL FIRST IN, inside_length: 1.250 INCHES NOMINAL IN, overall_width: 2.375 INCHES NOMINAL IN, overall_height: 1.359 INCHES MINIMUM AND 1.375 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4720-00-622-8576, 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
CH171
NSN: 4720-00-622-8576
FSC: 4720
CAGE: 11288 — DAYCO PRODUCTS LLC (USA)
SPECIFICATIONS
materialSTEEL
corner_shapeSQUARE ALL CORNERS
hole_diameter0.1875 INCHES NOMINAL FIRST IN
inside_length1.250 INCHES NOMINAL IN
overall_width2.375 INCHES NOMINAL IN
overall_height1.359 INCHES MINIMUM AND 1.375 INCHES MAXIMUM IN
overall_length6.000 INCHES NOMINAL IN
special_featuresWITH 4 PLANET PINION GEAR
style_designatorSOLID, PLAIN, NO OUTSIDE FLANGES
surface_treatmentNICKEL
mounting_slot_widthUNABLE TO DECODE
body_inside_diameter1.0000 INCHES MINIMUM AND 1.0020 INCHES MAXIMUM IN
NSN4720-00-622-8576
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: CH171 · OEM ⚠ VERIFY BEFORE ORDERING Schedule = wall thickness, NOT pipe diameter. Sch 40 and Sch 80 have the same OD but different wall thickness. Nominal pipe size ≠ actual OD — a 1" pipe is actually 1.315" OD ✓ BROKER TIP Sch 40 = standard wall, Sch 80 = heavy wall (higher pressure), Sch 160 = extra heavy. Seamless pipe is required for high-pressure applications — welded pipe has lower ratings PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
SCB93947Interchangeable
interchangeable cross-reference
interchangeable
20165Interchangeable
interchangeable cross-reference
interchangeable
303SZQ5A7Interchangeable
interchangeable cross-reference
interchangeable
303PFS381Interchangeable
interchangeable cross-reference
interchangeable
6303ARSInterchangeable
interchangeable cross-reference
interchangeable
D20165Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is CH171?
CH171 is a BEARING,BALL,ANNULAR.
What parts can replace CH171?
There are 18 known substitutes for CH171: SCB93947, 20165, 303SZQ5A7 and 15 more. Substitute compatibility should be verified for your specific system.
Is CH171 still available?
CH171 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