PartsTable
Technical Data Sheet
PartsTable / COMPONENT / MS35771-128
MS35771-128 ✓ 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

FILTER,RADIO FREQUENCY INTERFERE. Key specifications include material: COPPER ALLOY 932 OVERALL, corner_shape: SQUARE ALL CORNERS, overall_length: 1.2450 INCHES MINIMUM AND 1.2550 INCHES MAXIMUM IN, style_designator: SOLID, PLAIN, NO OUTSIDE FLANGES, body_inside_diameter: 1.2490 INCHES MINIMUM AND 1.2510 INCHES MAXIMUM IN, body_outside_diameter: 1.5020 INCHES MINIMUM AND 1.5030 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-989-3201, 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
MS35771-128
NSN: 3120-00-989-3201
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_length1.2450 INCHES MINIMUM AND 1.2550 INCHES MAXIMUM IN
style_designatorSOLID, PLAIN, NO OUTSIDE FLANGES
body_inside_diameter1.2490 INCHES MINIMUM AND 1.2510 INCHES MAXIMUM IN
body_outside_diameter1.5020 INCHES MINIMUM AND 1.5030 INCHES MAXIMUM IN
material_document_and_classificationSAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN3120-00-989-3201
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: MS35771-128 · 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: SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
BODY INSIDE DIAMETER: 1.2490 INCHES MINIMUM AND 1.2510 INCHES MAXIMUM IN
•
BODY OUTSIDE DIAMETER: 1.5020 INCHES MINIMUM AND 1.5030 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: SOLID, PLAIN, NO OUTSIDE FLANGES
•
MATERIAL: COPPER ALLOY 932 OVERALL
•
CORNER SHAPE: SQUARE ALL CORNERS
TECHNICAL CHARACTERISTICS (FLIS)
MATERIAL DOCUMENT AND CLASSIFICATIONSAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
BODY INSIDE DIAMETER1.2490 INCHES MINIMUM AND 1.2510 INCHES MAXIMUM IN
BODY OUTSIDE DIAMETER1.5020 INCHES MINIMUM AND 1.5030 INCHES MAXIMUM IN
STYLE DESIGNATORSOLID, PLAIN, NO OUTSIDE FLANGES
MATERIALCOPPER ALLOY 932 OVERALL
OVERALL LENGTH1.2450 INCHES MINIMUM AND 1.2550 INCHES MAXIMUM IN
CORNER SHAPESQUARE ALL CORNERS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 26
FS26444Interchangeable
interchangeable cross-reference
interchangeable
FS26444SET5GPMInterchangeable
interchangeable cross-reference
interchangeable
FS23809Interchangeable
interchangeable cross-reference
interchangeable
50101Interchangeable
interchangeable cross-reference
interchangeable
335212Interchangeable
interchangeable cross-reference
interchangeable
60894Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MS35771-128?
MS35771-128 is a FILTER,RADIO FREQUENCY INTERFERE.
What parts can replace MS35771-128?
There are 26 known substitutes for MS35771-128: FS26444, FS26444SET5GPM, FS23809 and 23 more. Substitute compatibility should be verified for your specific system.
Is MS35771-128 still available?
MS35771-128 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026