PartsTable
Technical Data Sheet
ASTM B438 ✓ 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

The BEARING,WASHER,THRUST is a the manufacturer industrial component. Key specifications include diameter: 0.6270 INCHES NOMINAL IN, material: OIL LUBRICATING LUBRICATION, outside_diameter: 1.1870 INCHES NOMINAL IN, style_designator: ROUND, overall_thickness: 0.1870 INCHES NOMINAL IN, center_hole_shape_style: ROUND. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-080-0089, 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
NSN: 3120-00-080-0089
FSC: 3120
CAGE: 81346 — AMERICAN SOCIETY FOR TESTING AND MATERIALS DBA ASTM INTERNATIONAL (USA)
SPECIFICATIONS
diameter0.6270 INCHES NOMINAL IN
materialOIL LUBRICATING LUBRICATION
outside_diameter1.1870 INCHES NOMINAL IN
style_designatorROUND
overall_thickness0.1870 INCHES NOMINAL IN
center_hole_shape_styleROUND
end_item_identificationNSN:2350-01-669-0331;AMPHIBIOUS COMBAT VEHICLE.
cross-sectional_shape_styleRECTANGULAR
part_name_assigned_by_controlling_agencyBEARIN WASHER THRUST,SINTERED BRONZE,OIL IMPREGNATED.
NSN3120-00-080-0089
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: ASTM B438 · 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
HARDNESS RATING: 30.0 ROCKWELL C MINIMUM AND 70.0 ROCKWELL C MAXIMUM OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-B-8657,TYPE 1,COMP A MIL SPEC 1ST MATERIAL RESPONSE OR MIL-B-8657,TYPE 1,COMP B MIL SPEC 2ND MATERIAL RESPONSE OVERALL
MATERIAL: OIL LUBRICATING LUBRICATION
STYLE DESIGNATOR: SOLID, PLAIN, NO OUTSIDE FLANGES
NONDEFINITIVE SPEC/STD DATA: 1 TYPE OR A COMPOSITION OR B COMPOSITION
CORNER SHAPE: SQUARE ALL CORNERS
TECHNICAL CHARACTERISTICS (FLIS)
HARDNESS RATING30.0 ROCKWELL C MINIMUM AND 70.0 ROCKWELL C MAXIMUM OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-B-8657,TYPE 1,COMP A MIL SPEC 1ST MATERIAL RESPONSE OR MIL-B-8657,TYPE 1,COMP B MIL SPEC 2ND MATERIAL RESPONSE OVERALL
MATERIALOIL LUBRICATING LUBRICATION
STYLE DESIGNATORSOLID, PLAIN, NO OUTSIDE FLANGES
MATERIALCOPPER ALLOY OVERALL
NONDEFINITIVE SPEC/STD DATA1 TYPE OR A COMPOSITION OR B COMPOSITION
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-L-15016, SYMBOL 2190 MIL SPEC SINGLE MATERIAL RESPONSE LUBRICATION
CORNER SHAPESQUARE ALL CORNERS
BODY OUTSIDE DIAMETER0.5640 INCHES MINIMUM AND 0.5650 INCHES MAXIMUM IN
BODY INSIDE DIAMETER0.4380 INCHES MINIMUM AND 0.4390 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
7829473-10Interchangeable
interchangeable cross-reference
interchangeable
1338-VP55Interchangeable
interchangeable cross-reference
interchangeable
910401Interchangeable
interchangeable cross-reference
interchangeable
MILB5687Interchangeable
Same NIIN cross-reference
interchangeable
MS17795-64Interchangeable
Same NIIN cross-reference
interchangeable
AA515-2Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is ASTM B438?
ASTM B438 is a BEARING,WASHER,THRUST.
What parts can replace ASTM B438?
There are 6 known substitutes for ASTM B438: 7829473-10, 1338-VP55, 910401 and 3 more. Substitute compatibility should be verified for your specific system.
Is ASTM B438 still available?
ASTM B438 is currently cancelled.
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