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Technical Data Sheet
PartsTable / COMPONENT / MS35771-25
MS35771-25 ✓ 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,SLEEVE is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY 932 OVERALL, corner_shape: SQUARE ALL CORNERS, overall_length: 0.4950 INCHES MINIMUM AND 0.5050 INCHES MAXIMUM IN, surface_finish: 32.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY, style_designator: SOLID, PLAIN, NO OUTSIDE FLANGES, body_inside_diameter: 0.3740 INCHES MINIMUM AND 0.3760 INCHES MAXIMUM IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-902-2892, 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
MS35771-25
NSN: 3120-00-902-2892
FSC: 3120
CAGE: 96906 — MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
materialCOPPER ALLOY 932 OVERALL
corner_shapeSQUARE ALL CORNERS
overall_length0.4950 INCHES MINIMUM AND 0.5050 INCHES MAXIMUM IN
surface_finish32.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY
style_designatorSOLID, PLAIN, NO OUTSIDE FLANGES
body_inside_diameter0.3740 INCHES MINIMUM AND 0.3760 INCHES MAXIMUM IN
body_outside_diameter0.5645 INCHES MINIMUM AND 0.5655 INCHES MAXIMUM IN
material_document_and_classificationQQ-B-1005 COMP 12 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN3120-00-902-2892
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: MS35771-25 · 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
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-B-1005 COMP 12 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
SURFACE FINISH: 32.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY
•
CORNER SHAPE: SQUARE ALL CORNERS
•
STYLE DESIGNATOR: SOLID, PLAIN, NO OUTSIDE FLANGES
•
MATERIAL: COPPER ALLOY 932 OVERALL
•
BODY OUTSIDE DIAMETER: 0.5645 INCHES MINIMUM AND 0.5655 INCHES MAXIMUM IN
•
BODY INSIDE DIAMETER: 0.3740 INCHES MINIMUM AND 0.3760 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-B-1005 COMP 12 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
SURFACE FINISH32.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY
CORNER SHAPESQUARE ALL CORNERS
STYLE DESIGNATORSOLID, PLAIN, NO OUTSIDE FLANGES
MATERIALCOPPER ALLOY 932 OVERALL
BODY OUTSIDE DIAMETER0.5645 INCHES MINIMUM AND 0.5655 INCHES MAXIMUM IN
SURFACE FINISH32.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY
BODY INSIDE DIAMETER0.3740 INCHES MINIMUM AND 0.3760 INCHES MAXIMUM IN
OVERALL LENGTH0.4950 INCHES MINIMUM AND 0.5050 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
K1216-8Interchangeable
interchangeable cross-reference
interchangeable
D251Interchangeable
interchangeable cross-reference
interchangeable
WC1216-8Interchangeable
interchangeable cross-reference
interchangeable
H048Interchangeable
interchangeable cross-reference
interchangeable
C123Interchangeable
interchangeable cross-reference
interchangeable
CB1013-08Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MS35771-25?
MS35771-25 is a BEARING,SLEEVE.
What parts can replace MS35771-25?
There are 18 known substitutes for MS35771-25: K1216-8, D251, WC1216-8 and 15 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MS35771-25?
MS35771-25 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-902-2892. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026