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68380 — PISTON,INTERNAL COMBUSTION ENGIN

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

68380: PISTON,INTERNAL COMBUSTION ENGIN.

PISTON,INTERNAL COMBUSTION ENGIN. Key specifications include material: STEEL, head_style: FLAT, oil_groove: NOT INCLUDED, skirt_type: SEMISPLIT, carbon_groove: NOT INCLUDED, surface_finish: FINISHED. This part is cataloged in the U.S.

Government catalog under NSN 3120-00-319-3091, 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
68380
NSN: 3120-00-319-3091
NIINs: 003193091, 010445430
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 6K4C8 — GOODRICH CORPORATION (USA)
SPECIFICATIONS
materialSTEEL
head_styleFLAT
oil_grooveNOT INCLUDED
skirt_typeSEMISPLIT
carbon_grooveNOT INCLUDED
surface_finishFINISHED
pin_hole_bushingNOT INCLUDED
unable_to_decodeUNABLE TO DECODE
ring_groove_quantity3
retaining_ring_grooveINCLUDED
finished_size_designationSTANDARD
pin_type_for_which_designedLOCKING
NSN3120-00-319-3091
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 68380 · 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
•
CORNER SHAPE: SQUARE ALL CORNERS
•
BODY OUTSIDE DIAMETER: 4.2450 INCHES MINIMUM AND 4.2480 INCHES MAXIMUM IN
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STYLE DESIGNATOR: SOLID, PLAIN, NO OUTSIDE FLANGES
•
BODY INSIDE DIAMETER: 3.5020 INCHES MINIMUM AND 3.5050 INCHES MAXIMUM IN
•
MATERIAL: PLASTIC OVERALL
TECHNICAL CHARACTERISTICS
CORNER SHAPESQUARE ALL CORNERS
BODY OUTSIDE DIAMETER4.2450 INCHES MINIMUM AND 4.2480 INCHES MAXIMUM IN
STYLE DESIGNATORSOLID, PLAIN, NO OUTSIDE FLANGES
OVERALL LENGTH2.0000 INCHES NOMINAL IN
BODY INSIDE DIAMETER3.5020 INCHES MINIMUM AND 3.5050 INCHES MAXIMUM IN
MATERIALPLASTIC OVERALL
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 68380?
68380 is a PISTON,INTERNAL COMBUSTION ENGIN.
What is the NSN for 68380?
68380 is cataloged in the U.S. Government catalog under NSN 3120-00-319-3091. This indicates validated use in U.S. government and defense supply chains.
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