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MILB13501 — BEARING,WASHER,THRUST

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

MILB13501: BEARING,WASHER,THRUST.

The BEARING,WASHER,THRUST is a the manufacturer industrial component. Key specifications include diameter: 5.0020 INCHES MINIMUM AND 5.0060 INCHES MAXIMUM IN, material: COPPER ALLOY 411 OVERALL, corner_shape: SQUARE ALL CORNERS, surface_finish: 125.0 MICROINCHES OVERALL, hardness_rating: 60.0 ROCKWELL B MINIMUM OVERALL, outside_diameter: 7.3750 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 3120-00-741-1693, 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
MILB13501
NSN: 3120-00-741-1693
NIINs: 007411693, 007981014
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
diameter5.0020 INCHES MINIMUM AND 5.0060 INCHES MAXIMUM IN
materialCOPPER ALLOY 411 OVERALL
corner_shapeSQUARE ALL CORNERS
surface_finish125.0 MICROINCHES OVERALL
hardness_rating60.0 ROCKWELL B MINIMUM OVERALL
outside_diameter7.3750 INCHES NOMINAL IN
special_featuresTWO GROOVES ON EACH SIDE
style_designatorROUND
overall_thickness0.2500 INCHES NOMINAL IN
lubrication_featureGROOVE FLAT BEARING SURFACE
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
NSN3120-00-741-1693
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: MILB13501 · 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: 0.0870 INCHES MINIMUM AND 0.0910 INCHES MAXIMUM IN
•
HARDNESS RATING: 60.0 ROCKWELL B MINIMUM OVERALL
•
STYLE DESIGNATOR: ROUND
•
DIAMETER: 2.6260 INCHES MINIMUM AND 2.6310 INCHES MAXIMUM IN
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
OUTSIDE DIAMETER: 3.3750 INCHES NOMINAL IN
•
LUBRICATION FEATURE: GROOVE FLAT UNFINISHED SURFACE
TECHNICAL CHARACTERISTICS
CORNER SHAPESQUARE ALL CORNERS
OVERALL THICKNESS0.0870 INCHES MINIMUM AND 0.0910 INCHES MAXIMUM IN
HARDNESS RATING60.0 ROCKWELL B MINIMUM OVERALL
STYLE DESIGNATORROUND
DIAMETER2.6260 INCHES MINIMUM AND 2.6310 INCHES MAXIMUM IN
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
OUTSIDE DIAMETER3.3750 INCHES NOMINAL IN
LUBRICATION FEATUREGROOVE FLAT UNFINISHED SURFACE
LUBRICATION FEATUREGROOVE FLAT BEARING SURFACE
NONDEFINITIVE SPEC/STD DATAB COMPOSITION OR C COMPOSITION
SUBSTITUTES & CROSS-REFERENCES 2
8613610Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
7411693Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is MILB13501?
MILB13501 is a BEARING,WASHER,THRUST.
What parts can replace MILB13501?
There are 2 known substitutes for MILB13501: 8613610, 7411693. Substitute compatibility should be verified for your specific system.
What is the NSN for MILB13501?
MILB13501 is cataloged in the U.S. Government catalog under NSN 3120-00-741-1693. 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.