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Technical Data Sheet

ASTM B438/B438M — Technical Data Sheet

✓ 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,VARIABLE,NONWIRE WOUND,. Key specifications include material: LUBRICANT LUBRICATION, corner_shape: SQUARE OUTSIDE RIGHT CORNER, flange_width: 0.1560 INCHES MINIMUM AND 0.1565 INCHES MAXIMUM IN, overall_length: 0.9950 INCHES MINIMUM AND 1.0050 INCHES MAXIMUM IN, style_designator: SOLID, EXTERNAL FLANGE ONE END, body_inside_diameter: 0.6260 INCHES MINIMUM AND 0.6270 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System under NSN 3120-00-287-7546, 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
ASTM B438/B438M
NSN: 3120-00-287-7546
FSC: 3120
CAGE: 81346 — AMERICAN SOCIETY FOR TESTING AND MATERIALS DBA ASTM INTERNATIONAL (USA)
SPECIFICATIONS
materialLUBRICANT LUBRICATION
corner_shapeSQUARE OUTSIDE RIGHT CORNER
flange_width0.1560 INCHES MINIMUM AND 0.1565 INCHES MAXIMUM IN
overall_length0.9950 INCHES MINIMUM AND 1.0050 INCHES MAXIMUM IN
style_designatorSOLID, EXTERNAL FLANGE ONE END
body_inside_diameter0.6260 INCHES MINIMUM AND 0.6270 INCHES MAXIMUM IN
body_outside_diameter0.8140 INCHES MINIMUM AND 0.8150 INCHES MAXIMUM IN
flange_outside_diameter1.0605 INCHES MINIMUM AND 1.0655 INCHES MAXIMUM IN
NSN3120-00-287-7546
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: ASTM B438/B438M · 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
•
BODY INSIDE DIAMETER: 0.6255 INCHES MINIMUM AND 0.6265 INCHES MAXIMUM IN
•
BODY OUTSIDE DIAMETER: 0.7515 INCHES MINIMUM AND 0.7525 INCHES MAXIMUM IN
•
CORNER SHAPE: SQUARE INSIDE LEFT CORNER
•
MATERIAL: COPPER ALLOY OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-B-5697,TY 1,COMP A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
TECHNICAL CHARACTERISTICS
BODY INSIDE DIAMETER0.6255 INCHES MINIMUM AND 0.6265 INCHES MAXIMUM IN
OVERALL LENGTH1.0000 INCHES NOMINAL IN
BODY OUTSIDE DIAMETER0.7515 INCHES MINIMUM AND 0.7525 INCHES MAXIMUM IN
CORNER SHAPESQUARE INSIDE LEFT CORNER
MATERIALCOPPER ALLOY OVERALL
CORNER SHAPESQUARE INSIDE RIGHT CORNER
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-B-5697,TY 1,COMP A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
CORNER SHAPESQUARE OUTSIDE LEFT CORNER
CORNER SHAPESQUARE LEFT FLANGE OUTSIDE RIGHT CORNER
CORNER SHAPEROUND LEFT FLANGE BODY CORNER
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
F1207-2InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
64913InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
T2001InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
TT2001InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
517415-12InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
EP081014InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLEDGOVERNMENT REGISTRY
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is ASTM B438/B438M?
ASTM B438/B438M is a RESISTOR,VARIABLE,NONWIRE WOUND,.
What parts can replace ASTM B438/B438M?
There are 19 known substitutes for ASTM B438/B438M: F1207-2, 64913, T2001 and 16 more. Substitute compatibility should be verified for your specific system.
Is ASTM B438/B438M still available?
ASTM B438/B438M is currently cancelled.
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