PartsTable
Technical Data Sheet
Download PDF

MS1242S12 — BEARING,PLAIN,ROD END

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

MS1242S12: 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: 0.7495 INCHES MINIMUM AND 0.7500 INCHES MAXIMUM IN, overall_length: 3.7475 INCHES MINIMUM AND 3.7775 INCHES MAXIMUM IN, thread_diameter: 0.7500 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 3120-01-049-4165, 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
MS1242S12
NSN: 3120-01-049-4165
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 96906 — MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
materialSTEEL COMP E4340 ROD END BODY
shank_styleEXTERNALLY THREADED
thread_class3A A
bore_diameter0.7495 INCHES MINIMUM AND 0.7500 INCHES MAXIMUM IN
overall_length3.7475 INCHES MINIMUM AND 3.7775 INCHES MAXIMUM IN
thread_diameter0.7500 INCHES NOMINAL IN
special_features13 DEG SELF-ALIGNING IN EITHER DIRECTION,GROOVES IN OUTER RACE MEMBER
style_designatorBALL TYPE
thread_directionRIGHT-HAND
surface_treatmentCADMIUM AND CHROMATE ROD END BODY
inner_member_width0.8730 INCHES MINIMUM AND 0.8750 INCHES MAXIMUM IN
outer_member_width0.6350 INCHES MINIMUM AND 0.6450 INCHES MAXIMUM IN
NSN3120-01-049-4165
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: MS1242S12 · 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: 1.6560 INCHES MINIMUM AND 1.7180 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416, CL2 FED SPEC SINGLE TREATMENT RESPONSE ROD END BODY
•
BORE CENTER TO SHANK END DISTANCE: 2.8650 INCHES MINIMUM AND 2.8850 INCHES MAXIMUM IN
•
INNER MEMBER WIDTH: 0.8730 INCHES MINIMUM AND 0.8750 INCHES MAXIMUM IN
•
OUTER MEMBER WIDTH: 0.6350 INCHES MINIMUM AND 0.6450 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: BALL TYPE
•
THREAD DIAMETER: 0.7500 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5643 ASSN STD SINGLE MATERIAL RESPONSE RACE INSERT
TECHNICAL CHARACTERISTICS
SHANK THREAD LENGTH1.6560 INCHES MINIMUM AND 1.7180 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416, CL2 FED SPEC SINGLE TREATMENT RESPONSE ROD END BODY
BORE CENTER TO SHANK END DISTANCE2.8650 INCHES MINIMUM AND 2.8850 INCHES MAXIMUM IN
INNER MEMBER WIDTH0.8730 INCHES MINIMUM AND 0.8750 INCHES MAXIMUM IN
OUTER MEMBER WIDTH0.6350 INCHES MINIMUM AND 0.6450 INCHES MAXIMUM IN
STYLE DESIGNATORBALL TYPE
THREAD DIAMETER0.7500 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5643 ASSN STD SINGLE MATERIAL RESPONSE RACE INSERT
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5630 ASSN STD SINGLE MATERIAL RESPONSE INNER MEMBER
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-5000 MIL SPEC SINGLE MATERIAL RESPONSE ROD END BODY
SUBSTITUTES & CROSS-REFERENCES 6
AS81935Reference document
Same NSN cross-reference
Reference document — Secondary reference
M81935/1-12Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
AS81935/1Reference document
Same NSN cross-reference
Reference document — Secondary reference
MIL-B-81935/1Reference document
Same NSN cross-reference
Reference document — Secondary reference
REM24W24MSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
REM24W24Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
Ready to buy MS1242S12?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is MS1242S12?
MS1242S12 is a BEARING,PLAIN,ROD END.
What parts can replace MS1242S12?
There are 6 known substitutes for MS1242S12: AS81935, M81935/1-12, AS81935/1 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MS1242S12?
MS1242S12 is cataloged in the U.S. Government catalog under NSN 3120-01-049-4165. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — MS1242S12

✓ 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.