PartsTable
Technical Data Sheet
540052-020 ✓ Verified by PartsTable
· BALL BEARING
WHAT YOU NEED TO KNOW
2RS = sealed for life, ZZ = shielded re-greaseable ABEC grade: higher = tighter tolerance
ABEC-1 standard, ABEC-7+ for precision spindles
PRODUCT OVERVIEW

RESISTOR,FIXED,WIRE WOUND,INDUCT. Key specifications include material: COPPER ALLOY OVERALL, corner_shape: SQUARE LEFT FLANGE BODY CORNER, flange_width: 0.0630 INCHES NOMINAL IN, overall_length: 0.1560 INCHES NOMINAL IN, style_designator: SOLID, EXTERNAL FLANGE ONE END, body_inside_diameter: 0.1870 INCHES MINIMUM AND 0.1880 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-988-8218, 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
540052-020
NSN: 3120-00-988-8218
FSC: 3120
CAGE: 12436 — BAE SYSTEMS INFORMATION AND ELECTRONIC SYSTEMS INTEGRATION INC. DIV BAE SYSTEMS INFORMATION & ELECTRONIC SYSTEMS INTEGRATION INC (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
corner_shapeSQUARE LEFT FLANGE BODY CORNER
flange_width0.0630 INCHES NOMINAL IN
overall_length0.1560 INCHES NOMINAL IN
style_designatorSOLID, EXTERNAL FLANGE ONE END
body_inside_diameter0.1870 INCHES MINIMUM AND 0.1880 INCHES MAXIMUM IN
body_outside_diameter0.2500 INCHES MINIMUM AND 0.2510 INCHES MAXIMUM IN
flange_outside_diameter0.3080 INCHES MINIMUM AND 0.3180 INCHES MAXIMUM IN
material_document_and_classificationMIL-B-5697,TY 1,COMP A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN3120-00-988-8218
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 540052-020 · 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
STYLE DESIGNATOR: SOLID, EXTERNAL FLANGE ONE END
CORNER SHAPE: SQUARE OUTSIDE LEFT CORNER
BODY OUTSIDE DIAMETER: 0.2500 INCHES MINIMUM AND 0.2510 INCHES MAXIMUM IN
FLANGE WIDTH: 0.0630 INCHES NOMINAL IN
FLANGE OUTSIDE DIAMETER: 0.3080 INCHES MINIMUM AND 0.3180 INCHES MAXIMUM IN
BODY INSIDE DIAMETER: 0.1870 INCHES MINIMUM AND 0.1880 INCHES MAXIMUM IN
MATERIAL: COPPER ALLOY OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
STYLE DESIGNATORSOLID, EXTERNAL FLANGE ONE END
CORNER SHAPESQUARE OUTSIDE LEFT CORNER
CORNER SHAPESQUARE OUTSIDE RIGHT CORNER
BODY OUTSIDE DIAMETER0.2500 INCHES MINIMUM AND 0.2510 INCHES MAXIMUM IN
FLANGE WIDTH0.0630 INCHES NOMINAL IN
FLANGE OUTSIDE DIAMETER0.3080 INCHES MINIMUM AND 0.3180 INCHES MAXIMUM IN
BODY INSIDE DIAMETER0.1870 INCHES MINIMUM AND 0.1880 INCHES MAXIMUM IN
MATERIALCOPPER ALLOY OVERALL
CORNER SHAPESQUARE INSIDE LEFT CORNER
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-B-5697,TY 1,COMP A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
F205Interchangeable
interchangeable cross-reference
interchangeable
410011Interchangeable
interchangeable cross-reference
interchangeable
1443Interchangeable
interchangeable cross-reference
interchangeable
811485-29Interchangeable
interchangeable cross-reference
interchangeable
MS9388-035Interchangeable
interchangeable cross-reference
interchangeable
101155-150Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 540052-020?
540052-020 is a RESISTOR,FIXED,WIRE WOUND,INDUCT.
What parts can replace 540052-020?
There are 11 known substitutes for 540052-020: F205, 410011, 1443 and 8 more. Substitute compatibility should be verified for your specific system.
Is 540052-020 still available?
540052-020 is currently cancelled.
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