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43JS4531 — TRANSFORMER,POWER AUTOTRANSFORME

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

43JS4531: TRANSFORMER,POWER AUTOTRANSFORME.

TRANSFORMER,POWER AUTOTRANSFORME. Key specifications include material: ALUMINUM ALLOY OVERALL, corner_shape: SQUARE LEFT FLANGE OUTSIDE RIGHT CORNER, flange_width: 0.1780 INCHES MINIMUM AND 0.1980 INCHES MAXIMUM IN, overall_length: 1.1460 INCHES MINIMUM AND 1.1660 INCHES MAXIMUM IN, style_designator: SOLID, EXTERNAL FLANGE ONE END, INTERNAL FLANGE AT BOTH ENDS, body_inside_diameter: 1.6900 INCHES MINIMUM AND 1.6930 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 3120-00-080-9392, 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
43JS4531
NSN: 3120-00-080-9392
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 23382 — FWD SEAGRAVE HOLDINGS LP (USA)
SPECIFICATIONS
materialALUMINUM ALLOY OVERALL
corner_shapeSQUARE LEFT FLANGE OUTSIDE RIGHT CORNER
flange_width0.1780 INCHES MINIMUM AND 0.1980 INCHES MAXIMUM IN
overall_length1.1460 INCHES MINIMUM AND 1.1660 INCHES MAXIMUM IN
style_designatorSOLID, EXTERNAL FLANGE ONE END, INTERNAL FLANGE AT BOTH ENDS
body_inside_diameter1.6900 INCHES MINIMUM AND 1.6930 INCHES MAXIMUM IN
body_outside_diameter2.2440 INCHES MINIMUM AND 2.2480 INCHES MAXIMUM IN
flange_outside_diameter3.3650 INCHES MINIMUM AND 3.3850 INCHES MAXIMUM IN
left_internal_flange_width0.1150 INCHES MINIMUM AND 0.1350 INCHES MAXIMUM IN
left_internal_flange_hole_diameter1.6350 INCHES MINIMUM AND 1.6450 INCHES MAXIMUM IN
right_internal_flange_hole_diameter1.6350 INCHES MINIMUM AND 1.6450 INCHES MAXIMUM IN
NSN3120-00-080-9392
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 43JS4531 · 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: 0.1150 INCHES MINIMUM AND 0.1350 INCHES MAXIMUM IN
•
LEFT INTERNAL FLANGE HOLE DIAMETER: 1.6350 INCHES MINIMUM AND 1.6450 INCHES MAXIMUM IN
•
CORNER SHAPE: SQUARE INSIDE RIGHT CORNER
TECHNICAL CHARACTERISTICS
LEFT INTERNAL FLANGE WIDTH0.1150 INCHES MINIMUM AND 0.1350 INCHES MAXIMUM IN
LEFT INTERNAL FLANGE HOLE DIAMETER1.6350 INCHES MINIMUM AND 1.6450 INCHES MAXIMUM IN
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
FLANGE OUTSIDE DIAMETER3.3650 INCHES MINIMUM AND 3.3850 INCHES MAXIMUM IN
BODY OUTSIDE DIAMETER2.2440 INCHES MINIMUM AND 2.2480 INCHES MAXIMUM IN
SUBSTITUTES & CROSS-REFERENCES 1
3120PL1337368Reference document
Same NSN cross-reference
Reference document — Informative reference only
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 43JS4531?
43JS4531 is a TRANSFORMER,POWER AUTOTRANSFORME.
What parts can replace 43JS4531?
There is 1 known substitute for 43JS4531: 3120PL1337368. Substitute compatibility should be verified for your specific system.
What is the NSN for 43JS4531?
43JS4531 is cataloged in the U.S. Government catalog under NSN 3120-00-080-9392. 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.