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393940 — 393940

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

393940: 393940.

The 393940 is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, corner_shape: SQUARE INSIDE RIGHT CORNER, overall_length: 0.3650 INCHES MINIMUM AND 0.3850 INCHES MAXIMUM IN, special_features: OUTSIDE RIGHT CORNER UNDERCUT TO 0.4030 IN. MIN,0.4090 IN.

MAX DIA,0.0525 IN. MIN,0.0725 IN. MAX W IN, style_designator: SOLID, PLAIN, NO OUTSIDE FLANGES, body_inside_diameter: 0.3000 INCHES MINIMUM AND 0.3020 INCHES MAXIMUM IN.

This part is cataloged in the U.S. Government catalog under NSN 3120-00-293-4684, 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
393940
NSN: 3120-00-293-4684
NIINs: 002934684, 006904555, 011986842
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 06848 — HONEYWELL INTERNATIONAL INC DIV AEROSPACE-SOUTH BEND (BENDIX DR) (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
corner_shapeSQUARE INSIDE RIGHT CORNER
overall_length0.3650 INCHES MINIMUM AND 0.3850 INCHES MAXIMUM IN
special_featuresOUTSIDE RIGHT CORNER UNDERCUT TO 0.4030 IN. MIN,0.4090 IN. MAX DIA,0.0525 IN. MIN,0.0725 IN. MAX W IN
style_designatorSOLID, PLAIN, NO OUTSIDE FLANGES
body_inside_diameter0.3000 INCHES MINIMUM AND 0.3020 INCHES MAXIMUM IN
body_outside_diameter0.4395 INCHES MINIMUM AND 0.4410 INCHES MAXIMUM IN
material_document_and_classificationE5-044 FSCM 06840 MFR REF SINGLE MATERIAL RESPONSE OVERALL
NSN3120-00-293-4684
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 393940 · 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
•
BODY OUTSIDE DIAMETER: 0.4395 INCHES MINIMUM AND 0.4410 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: SOLID, PLAIN, NO OUTSIDE FLANGES
•
MATERIAL DOCUMENT AND CLASSIFICATION: E5-044 FSCM 06840 MFR REF SINGLE MATERIAL RESPONSE OVERALL
TECHNICAL CHARACTERISTICS
CORNER SHAPESQUARE INSIDE RIGHT CORNER
CORNER SHAPEUNDERCUT OUTSIDE RIGHT CORNER
CORNER SHAPESQUARE INSIDE LEFT CORNER
CORNER SHAPECHAMFERED OUTSIDE LEFT CORNER
BODY OUTSIDE DIAMETER0.4395 INCHES MINIMUM AND 0.4410 INCHES MAXIMUM IN
STYLE DESIGNATORSOLID, PLAIN, NO OUTSIDE FLANGES
MATERIAL DOCUMENT AND CLASSIFICATIONE5-044 FSCM 06840 MFR REF SINGLE MATERIAL RESPONSE OVERALL
OVERALL LENGTH0.3650 INCHES MINIMUM AND 0.3850 INCHES MAXIMUM IN
BODY INSIDE DIAMETER0.3000 INCHES MINIMUM AND 0.3020 INCHES MAXIMUM IN
SPECIAL FEATURESOUTSIDE RIGHT CORNER UNDERCUT TO 0.4030 IN. MIN,0.4090 IN. MAX DIA,0.0525 IN. MIN,0.0725 IN. MAX W IN
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 393940?
393940 is a 393940.
What is the NSN for 393940?
393940 is cataloged in the U.S. Government catalog under NSN 3120-00-293-4684. This indicates validated use in U.S. government and defense supply chains.
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