PartsTable
Technical Data Sheet

M81935/1-04K — BEARING,PLAIN,ROD END

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

M81935/1-04K: BEARING,PLAIN,ROD END.

The BEARING,PLAIN,ROD END is a the manufacturer industrial component. Key specifications include material: STEEL COMP 440C INNER MEMBER, shank_style: EXTERNALLY THREADED, thread_class: 3A A, bore_diameter: 0.2495 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN, overall_length: 1.9650 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 3120-01-102-5652, 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
M81935/1-04K
NSN: 3120-01-102-5652
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 0U583 — SAE INTERNATIONAL DBA SAE INTERNATIONAL (USA)
SPECIFICATIONS
materialSTEEL COMP 440C INNER MEMBER
shank_styleEXTERNALLY THREADED
thread_class3A A
bore_diameter0.2495 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN
overall_length1.9650 INCHES NOMINAL IN
hardness_rating28.0 ROCKWELL C MINIMUM AND 37.0 ROCKWELL C MAXIMUM RACE INSERT
thread_diameter0.312 INCHES NOMINAL IN
special_featuresKEYWAY IN SHANK
style_designatorBALL TYPE
thread_directionRIGHT-HAND
inner_member_width0.4350 INCHES MINIMUM AND 0.4370 INCHES MAXIMUM IN
outer_member_width0.3320 INCHES MINIMUM AND 0.3420 INCHES MAXIMUM IN
NSN3120-01-102-5652
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: M81935/1-04K · 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: 0.9370 INCHES MINIMUM AND 0.9990 INCHES MAXIMUM IN
•
BORE CENTER TO SHANK END DISTANCE: 1.5520 INCHES MINIMUM AND 1.5720 INCHES MAXIMUM IN
•
INNER MEMBER WIDTH: 0.4350 INCHES MINIMUM AND 0.4370 INCHES MAXIMUM IN
•
HARDNESS RATING: 28.0 ROCKWELL C MINIMUM AND 37.0 ROCKWELL C MAXIMUM RACE INSERT
•
OUTER MEMBER WIDTH: 0.3320 INCHES MINIMUM AND 0.3420 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: BALL TYPE
TECHNICAL CHARACTERISTICS
SHANK THREAD LENGTH0.9370 INCHES MINIMUM AND 0.9990 INCHES MAXIMUM IN
BORE CENTER TO SHANK END DISTANCE1.5520 INCHES MINIMUM AND 1.5720 INCHES MAXIMUM IN
INNER MEMBER WIDTH0.4350 INCHES MINIMUM AND 0.4370 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 WIDTH0.3320 INCHES MINIMUM AND 0.3420 INCHES MAXIMUM IN
STYLE DESIGNATORBALL TYPE
THREAD DIAMETER0.312 INCHES NOMINAL IN
OVERALL LENGTH1.9650 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 9
AS81935/1Reference document
Same NSN cross-reference
Reference document — Secondary reference
SWRKMS-4-500Reference document
Same NSN cross-reference
Reference document — Secondary reference
KBDE4-351WReference document
Same NSN cross-reference
Reference document — Secondary reference
04A077-4KReference document
Same NSN cross-reference
Reference document — Secondary reference
ANM4W(L1)Reference document
Same NSN cross-reference
Reference document — Secondary reference
MS2124S04KReference 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 M81935/1-04K?
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 M81935/1-04K?
M81935/1-04K is a BEARING,PLAIN,ROD END.
What parts can replace M81935/1-04K?
There are 9 known substitutes for M81935/1-04K: AS81935/1, SWRKMS-4-500, KBDE4-351W and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for M81935/1-04K?
M81935/1-04K is cataloged in the U.S. Government catalog under NSN 3120-01-102-5652. 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 — M81935/1-04K

✓ 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.