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Technical Data Sheet

M81935/4-6L — BEARING,PLAIN,ROD END

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

M81935/4-6L: BEARING,PLAIN,ROD END.

The BEARING,PLAIN,ROD END is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, shank_style: EXTERNALLY THREADED, thread_class: 3A A, bore_diameter: 0.3745 INCHES MINIMUM AND 0.3750 INCHES MAXIMUM IN, overall_length: 2.5850 INCHES MINIMUM AND 2.6050 INCHES MAXIMUM IN, hardness_rating: 39.0 ROCKWELL C MINIMUM AND 42.0 ROCKWELL C MAXIMUM BODY. This part is cataloged in the U.S.

Government catalog under NSN 3120-01-336-2298, 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
M81935/4-6L
NSN: 3120-01-336-2298
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
materialSTEEL OVERALL
shank_styleEXTERNALLY THREADED
thread_class3A A
bore_diameter0.3745 INCHES MINIMUM AND 0.3750 INCHES MAXIMUM IN
overall_length2.5850 INCHES MINIMUM AND 2.6050 INCHES MAXIMUM IN
hardness_rating39.0 ROCKWELL C MINIMUM AND 42.0 ROCKWELL C MAXIMUM BODY
thread_diameter0.3750 INCHES NOMINAL IN
keyway_dimension0.0930 INCHES MINIMUM AND 0.0980 INCHES MAXIMUM EXTERNAL KEYWAY WIDTH IN
special_featuresITEM IS SELF-ALIGNING
style_designatorSHOULDERED BALL TYPE
thread_directionLEFT-HAND
inner_member_width0.4040 INCHES MINIMUM AND 0.4060 INCHES MAXIMUM IN
NSN3120-01-336-2298
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: M81935/4-6L · 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
•
SHANK THREAD LENGTH: 1.1870 INCHES NOMINAL IN
•
BORE CENTER TO SHANK END DISTANCE: 2.0200 INCHES MINIMUM AND 2.0400 INCHES MAXIMUM IN
•
INNER MEMBER WIDTH: 0.4040 INCHES MINIMUM AND 0.4060 INCHES MAXIMUM IN
•
HARDNESS RATING: 39.0 ROCKWELL C MINIMUM AND 42.0 ROCKWELL C MAXIMUM BODY
•
OUTER MEMBER WIDTH: 0.3170 INCHES MINIMUM AND 0.3270 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: SHOULDERED BALL TYPE
•
SHANK END TO SHOULDER LENGTH: 1.1560 INCHES MINIMUM AND 1.2180 INCHES MAXIMUM IN
•
THREAD DIAMETER: 0.3750 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
SHANK THREAD LENGTH1.1870 INCHES NOMINAL IN
BORE CENTER TO SHANK END DISTANCE2.0200 INCHES MINIMUM AND 2.0400 INCHES MAXIMUM IN
INNER MEMBER WIDTH0.4040 INCHES MINIMUM AND 0.4060 INCHES MAXIMUM IN
HARDNESS RATING39.0 ROCKWELL C MINIMUM AND 42.0 ROCKWELL C MAXIMUM BODY
OUTER MEMBER WIDTH0.3170 INCHES MINIMUM AND 0.3270 INCHES MAXIMUM IN
STYLE DESIGNATORSHOULDERED BALL TYPE
SHANK END TO SHOULDER LENGTH1.1560 INCHES MINIMUM AND 1.2180 INCHES MAXIMUM IN
THREAD DIAMETER0.3750 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-5000 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
OVERALL LENGTH2.5850 INCHES MINIMUM AND 2.6050 INCHES MAXIMUM IN
SUBSTITUTES & CROSS-REFERENCES 1
SAE-AS81935/4Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is M81935/4-6L?
M81935/4-6L is a BEARING,PLAIN,ROD END.
What parts can replace M81935/4-6L?
There is 1 known substitute for M81935/4-6L: SAE-AS81935/4. Substitute compatibility should be verified for your specific system.
What is the NSN for M81935/4-6L?
M81935/4-6L is cataloged in the U.S. Government catalog under NSN 3120-01-336-2298. 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.