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A20-09171 — BEARING,WASHER,THRUST

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

A20-09171: BEARING,WASHER,THRUST.

The BEARING,WASHER,THRUST is a the manufacturer industrial component. Key specifications include diameter: 1.4688 INCHES NOMINAL IN, material: PLASTIC ACETAL OVERALL, corner_shape: SQUARE ALL CORNERS, outside_diameter: 2.1250 INCHES NOMINAL IN, style_designator: ROUND, overall_thickness: 0.0600 INCHES MINIMUM AND 0.0640 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 3120-00-910-0859, 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
A20-09171
NSN: 3120-00-910-0859
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 03670 — TYCO FIRE PRODUCTS LP (USA)
SPECIFICATIONS
diameter1.4688 INCHES NOMINAL IN
materialPLASTIC ACETAL OVERALL
corner_shapeSQUARE ALL CORNERS
outside_diameter2.1250 INCHES NOMINAL IN
style_designatorROUND
overall_thickness0.0600 INCHES MINIMUM AND 0.0640 INCHES MAXIMUM IN
surface_conditionGROUND
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
NSN3120-00-910-0859
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: A20-09171 · OEM ⚠ VERIFY BEFORE ORDERING ABEC grade: higher = tighter tolerance = higher cost. ABEC-1 is standard, ABEC-7+ for precision spindles. Open, shielded (ZZ), and sealed (2RS) versions have different max RPM ratings ✓ BROKER TIP 2RS = sealed for life (no maintenance). ZZ = shielded, re-greaseable. Open = must lubricate on install. Common interchange: 6205-2RS = 6205-2RSR = 6205-DDU (same bearing, different suffix) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
CORNER SHAPE: SQUARE ALL CORNERS
•
OVERALL THICKNESS: 0.0600 INCHES MINIMUM AND 0.0640 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: ROUND
•
DIAMETER: 1.4688 INCHES NOMINAL IN
•
SURFACE CONDITION: GROUND
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
OUTSIDE DIAMETER: 2.1250 INCHES NOMINAL IN
•
MATERIAL: PLASTIC ACETAL OVERALL
TECHNICAL CHARACTERISTICS
CORNER SHAPESQUARE ALL CORNERS
OVERALL THICKNESS0.0600 INCHES MINIMUM AND 0.0640 INCHES MAXIMUM IN
STYLE DESIGNATORROUND
DIAMETER1.4688 INCHES NOMINAL IN
SURFACE CONDITIONGROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
OUTSIDE DIAMETER2.1250 INCHES NOMINAL IN
MATERIALPLASTIC ACETAL OVERALL
CENTER HOLE SHAPE STYLEROUND
OTHER ITEMS IN FSC 3120 — Bearings, Plain, Unmounted
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
3120-00-001-1288 3120-00-001-1835 3120-00-001-1838 3120-00-001-1928 3120-00-001-1934 3120-00-001-3933 3120-00-001-3937 3120-00-001-3938
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is A20-09171?
A20-09171 is a BEARING,WASHER,THRUST.
What is the NSN for A20-09171?
A20-09171 is cataloged in the U.S. Government catalog under NSN 3120-00-910-0859. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.