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12576039 — BEARING,PLAIN,ROD END

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

12576039: BEARING,PLAIN,ROD END.

The BEARING,PLAIN,ROD END is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, shank_style: INTERNALLY THREADED, thread_class: 2B, overall_length: 6.8300 INCHES MINIMUM AND 6.8500 INCHES MAXIMUM IN, hardness_rating: 25.0 ROCKWELL C MINIMUM AND 30.0 ROCKWELL C MAXIMUM OVERALL, thread_diameter: 5.000 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 3120-01-333-2182, 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
12576039
NSN: 3120-01-333-2182
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 19200 — COMBAT CAPABILITIES DEVELOPMENT COMMAND (CCDC) ARMAMENTS CENTER DBA CCDC DIV LOGISTICS RESEARCH AND ENGINEERING DIRECTORATE (USA)
SPECIFICATIONS
materialSTEEL OVERALL
shank_styleINTERNALLY THREADED
thread_class2B
overall_length6.8300 INCHES MINIMUM AND 6.8500 INCHES MAXIMUM IN
hardness_rating25.0 ROCKWELL C MINIMUM AND 30.0 ROCKWELL C MAXIMUM OVERALL
thread_diameter5.000 INCHES NOMINAL IN
style_designatorSHOULDERED BALL TYPE
thread_directionRIGHT-HAND
outer_member_width1.2400 INCHES NOMINAL IN
shank_thread_length1.2300 INCHES MINIMUM AND 1.2500 INCHES MAXIMUM IN
end_item_identificationM109 HOWITZER FAMILY
thread_quantity_per_inch12
NSN3120-01-333-2182
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 12576039 · 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: 1.2300 INCHES MINIMUM AND 1.2500 INCHES MAXIMUM IN
•
BORE CENTER TO SHANK END DISTANCE: 4.2400 INCHES MINIMUM AND 4.2600 INCHES MAXIMUM IN
•
HARDNESS RATING: 25.0 ROCKWELL C MINIMUM AND 30.0 ROCKWELL C MAXIMUM OVERALL
•
OUTER MEMBER WIDTH: 1.2400 INCHES NOMINAL IN
•
STYLE DESIGNATOR: SHOULDERED BALL TYPE
•
SHANK END TO SHOULDER LENGTH: 2.3600 INCHES MINIMUM AND 2.3800 INCHES MAXIMUM IN
•
THREAD DIAMETER: 5.000 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-13048 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
TECHNICAL CHARACTERISTICS
SHANK THREAD LENGTH1.2300 INCHES MINIMUM AND 1.2500 INCHES MAXIMUM IN
BORE CENTER TO SHANK END DISTANCE4.2400 INCHES MINIMUM AND 4.2600 INCHES MAXIMUM IN
HARDNESS RATING25.0 ROCKWELL C MINIMUM AND 30.0 ROCKWELL C MAXIMUM OVERALL
OUTER MEMBER WIDTH1.2400 INCHES NOMINAL IN
STYLE DESIGNATORSHOULDERED BALL TYPE
SHANK END TO SHOULDER LENGTH2.3600 INCHES MINIMUM AND 2.3800 INCHES MAXIMUM IN
THREAD DIAMETER5.000 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-13048 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
OVERALL LENGTH6.8300 INCHES MINIMUM AND 6.8500 INCHES MAXIMUM IN
THREAD DIRECTIONRIGHT-HAND
OTHER ITEMS IN FSC 3120 — Bearings, Plain, Unmounted
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
3120-00-001-1288 3120-00-001-1835 3120-00-001-1838 3120-00-001-1928 3120-00-001-1934 3120-00-001-3933 3120-00-001-3937 3120-00-001-3938
SUBSTITUTES & CROSS-REFERENCES 1
3120013332182Reference document
Same NSN cross-reference
Reference document — Informative reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 12576039?
12576039 is a BEARING,PLAIN,ROD END.
What parts can replace 12576039?
There is 1 known substitute for 12576039: 3120013332182. Substitute compatibility should be verified for your specific system.
What is the NSN for 12576039?
12576039 is cataloged in the U.S. Government catalog under NSN 3120-01-333-2182. This indicates validated use in U.S. government and defense supply chains.
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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.