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Technical Data Sheet

M81935/4-03K — BEARING,PLAIN,ROD END

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

M81935/4-03K: BEARING,PLAIN,ROD END.

The BEARING,PLAIN,ROD END is a the manufacturer industrial component. Key specifications include material: STEEL COMP E4340 ROD END BODY, shank_style: EXTERNALLY THREADED, thread_class: 3A A, bore_diameter: 0.1895 INCHES MINIMUM AND 0.1900 INCHES MAXIMUM IN, overall_length: 1.6550 INCHES NOMINAL IN, hardness_rating: 28.0 ROCKWELL C MINIMUM AND 37.0 ROCKWELL C MAXIMUM RACE INSERT. This part is cataloged in the U.S.

Government catalog under NSN 3120-01-366-6625, 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
M81935/4-03K
NSN: 3120-01-366-6625
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 0U583 — SAE INTERNATIONAL DBA SAE INTERNATIONAL (USA)
SPECIFICATIONS
materialSTEEL COMP E4340 ROD END BODY
shank_styleEXTERNALLY THREADED
thread_class3A A
bore_diameter0.1895 INCHES MINIMUM AND 0.1900 INCHES MAXIMUM IN
overall_length1.6550 INCHES NOMINAL IN
hardness_rating28.0 ROCKWELL C MINIMUM AND 37.0 ROCKWELL C MAXIMUM RACE INSERT
thread_diameter0.250 INCHES NOMINAL IN
special_featuresKEYWAY IN SHANK; SURFACE FINISH ON BALL PASSIVATE PER MIL-S-5002 OPTIONAL
style_designatorBALL TYPE
thread_directionRIGHT-HAND
surface_treatmentCADMIUM AND CHROMATE ROD END BODY
inner_member_width0.2790 INCHES MINIMUM AND 0.2810 INCHES MAXIMUM IN
NSN3120-01-366-6625
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: M81935/4-03K · 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: 0.7350 INCHES MINIMUM AND 0.8070 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE ROD END BODY
•
BORE CENTER TO SHANK END DISTANCE: 1.3050 INCHES MINIMUM AND 1.3250 INCHES MAXIMUM IN
•
INNER MEMBER WIDTH: 0.2790 INCHES MINIMUM AND 0.2810 INCHES MAXIMUM IN
•
HARDNESS RATING: 28.0 ROCKWELL C MINIMUM AND 37.0 ROCKWELL C MAXIMUM RACE INSERT
•
OUTER MEMBER WIDTH: 0.2230 INCHES MINIMUM AND 0.2330 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
SHANK THREAD LENGTH0.7350 INCHES MINIMUM AND 0.8070 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE ROD END BODY
BORE CENTER TO SHANK END DISTANCE1.3050 INCHES MINIMUM AND 1.3250 INCHES MAXIMUM IN
INNER MEMBER WIDTH0.2790 INCHES MINIMUM AND 0.2810 INCHES MAXIMUM IN
HARDNESS RATING28.0 ROCKWELL C MINIMUM AND 37.0 ROCKWELL C MAXIMUM RACE INSERT
HARDNESS RATING55.0 ROCKWELL C MINIMUM AND 62.0 ROCKWELL C MAXIMUM INNER MEMBER
HARDNESS RATING39.0 ROCKWELL C MINIMUM AND 42.0 ROCKWELL C MAXIMUM ROD END BODY
OUTER MEMBER WIDTH0.2230 INCHES MINIMUM AND 0.2330 INCHES MAXIMUM IN
STYLE DESIGNATORBALL TYPE
THREAD DIAMETER0.250 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 2
SAE AS81935/4Reference document
Same NSN cross-reference
Reference document — Secondary reference
MIL-B-81349/4Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 M81935/4-03K?
M81935/4-03K is a BEARING,PLAIN,ROD END.
What parts can replace M81935/4-03K?
There are 2 known substitutes for M81935/4-03K: SAE AS81935/4, MIL-B-81349/4. Substitute compatibility should be verified for your specific system.
What is the NSN for M81935/4-03K?
M81935/4-03K is cataloged in the U.S. Government catalog under NSN 3120-01-366-6625. This indicates validated use in U.S. government and defense supply chains.
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