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284755 — RESISTOR,VARIABLE,WIRE WOUND,NON

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

284755: RESISTOR,VARIABLE,WIRE WOUND,NON.

RESISTOR,VARIABLE,WIRE WOUND,NON. Key specifications include material: IRON CAST OVERALL, corner_shape: SQUARE INSIDE LEFT CORNER, flange_width: 1.6250 INCHES NOMINAL IN, overall_length: 2.3750 INCHES NOMINAL IN, style_designator: SOLID, EXTERNAL FLANGE ONE END, INTERNAL FLANGE ONE END, body_outside_diameter: 0.5312 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 3120-00-173-4987, 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
284755
NSN: 3120-00-173-4987
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 62242 — UNIVERSAL MOTORS-OSHKOSH A DIV OF MEDALIST INDUSTRIES INC (USA)
SPECIFICATIONS
materialIRON CAST OVERALL
corner_shapeSQUARE INSIDE LEFT CORNER
flange_width1.6250 INCHES NOMINAL IN
overall_length2.3750 INCHES NOMINAL IN
style_designatorSOLID, EXTERNAL FLANGE ONE END, INTERNAL FLANGE ONE END
body_outside_diameter0.5312 INCHES NOMINAL IN
flange_outside_diameter0.5640 INCHES MINIMUM AND 0.5650 INCHES MAXIMUM IN
right_internal_flange_width1.8750 INCHES NOMINAL IN
right_internal_flange_hole_diameter0.3700 INCHES MINIMUM AND 0.3710 INCHES MAXIMUM IN
NSN3120-00-173-4987
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 284755 · 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 INSIDE RIGHT CORNER
•
RIGHT INTERNAL FLANGE WIDTH: 1.8750 INCHES NOMINAL IN
•
FLANGE OUTSIDE DIAMETER: 0.5640 INCHES MINIMUM AND 0.5650 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
CORNER SHAPESQUARE INSIDE RIGHT CORNER
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
RIGHT INTERNAL FLANGE WIDTH1.8750 INCHES NOMINAL IN
FLANGE OUTSIDE DIAMETER0.5640 INCHES MINIMUM AND 0.5650 INCHES MAXIMUM IN
BODY OUTSIDE DIAMETER0.5312 INCHES NOMINAL IN
STYLE DESIGNATORSOLID, EXTERNAL FLANGE ONE END, INTERNAL FLANGE ONE END
SUBSTITUTES & CROSS-REFERENCES 2
4948Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
CSH-4948Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 284755?
284755 is a RESISTOR,VARIABLE,WIRE WOUND,NON.
What parts can replace 284755?
There are 2 known substitutes for 284755: 4948, CSH-4948. Substitute compatibility should be verified for your specific system.
What is the NSN for 284755?
284755 is cataloged in the U.S. Government catalog under NSN 3120-00-173-4987. This indicates validated use in U.S. government and defense supply chains.
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