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345-6054 — COVER,ACCESS

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

345-6054: COVER,ACCESS.

The COVER,ACCESS is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY 2024 OVERALL, corner_shape: SQUARE LEFT FLANGE BODY CORNER, flange_width: 0.5750 INCHES NOMINAL IN, hole_diameter: 0.1250 INCHES NOMINAL FIRST IN, overall_length: 0.8750 INCHES NOMINAL IN, style_designator: SOLID, EXTERNAL FLANGE ONE END, INTERNAL FLANGE ONE END. This part is cataloged in the U.S.

Government catalog under NSN 3120-01-182-6681, 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
345-6054
NSN: 3120-01-182-6681
NIINs: 011826681, 016750044
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 66503 — WOODWARD, INC. DIV FUEL SYSTEMS AND CONTROLS (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 2024 OVERALL
corner_shapeSQUARE LEFT FLANGE BODY CORNER
flange_width0.5750 INCHES NOMINAL IN
hole_diameter0.1250 INCHES NOMINAL FIRST IN
overall_length0.8750 INCHES NOMINAL IN
style_designatorSOLID, EXTERNAL FLANGE ONE END, INTERNAL FLANGE ONE END
body_inside_diameter0.4150 INCHES MINIMUM AND 0.4170 INCHES MAXIMUM IN
body_outside_diameter0.5000 INCHES MINIMUM AND 0.5100 INCHES MAXIMUM IN
flange_outside_diameter0.5594 INCHES MINIMUM AND 0.5597 INCHES MAXIMUM IN
left_internal_flange_width0.1300 INCHES NOMINAL IN
lubricant_accommodation_styleGROOVED CIRCULAR
left_internal_flange_hole_diameter0.3490 INCHES MINIMUM AND 0.3510 INCHES MAXIMUM IN
NSN3120-01-182-6681
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 345-6054 · 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
•
LEFT INTERNAL FLANGE WIDTH: 0.1300 INCHES NOMINAL IN
•
LEFT INTERNAL FLANGE HOLE DIAMETER: 0.3490 INCHES MINIMUM AND 0.3510 INCHES MAXIMUM IN
•
CORNER SHAPE: SQUARE LEFT FLANGE BODY CORNER
TECHNICAL CHARACTERISTICS
LEFT INTERNAL FLANGE WIDTH0.1300 INCHES NOMINAL IN
LEFT INTERNAL FLANGE HOLE DIAMETER0.3490 INCHES MINIMUM AND 0.3510 INCHES MAXIMUM IN
CORNER SHAPESQUARE LEFT FLANGE BODY CORNER
CORNER SHAPESQUARE OUTSIDE RIGHT CORNER
CORNER SHAPESQUARE OUTSIDE LEFT CORNER
CORNER SHAPESQUARE LEFT FLANGE OUTSIDE RIGHT CORNER
CORNER SHAPESQUARE INSIDE LEFT CORNER
CORNER SHAPECHAMFERED INSIDE RIGHT CORNER
FLANGE OUTSIDE DIAMETER0.5594 INCHES MINIMUM AND 0.5597 INCHES MAXIMUM IN
BODY OUTSIDE DIAMETER0.5000 INCHES MINIMUM AND 0.5100 INCHES MAXIMUM IN
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — no further procurement; issued until stock is exhaustedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 345-6054?
345-6054 is a COVER,ACCESS.
What is the NSN for 345-6054?
345-6054 is cataloged in the U.S. Government catalog under NSN 3120-01-182-6681. This indicates validated use in U.S. government and defense supply chains.
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✓ 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.