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Technical Data Sheet
PartsTable / MRO / A57-5
A57-5 ✓ Verified by PartsTable
— · MRO · MRO_GENERAL
WHAT YOU NEED TO KNOW
Cup and cone sold separately — confirm both needed Timken series numbers indicate dimensions
Cup and cone NOT sold as set — verify order
PRODUCT OVERVIEW

FILTER,RADIO FREQUENCY INTERFERE. Key specifications include length: 2.750 INCHES NOMINAL IN, material: STEEL COMP 1340 OR STEEL COMP 5145 OVERALL, mesh_size: 8.0, body_width: 1.375 INCHES NOMINAL IN, bore_shape: STRAIGHT, body_height: 4.500 INCHES NOMINAL 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 3110-00-156-4254, 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
MRO→ MRO_GENERAL→ A57-5
NSN: 3110-00-156-4254
FSC: 3110
CAGE: 89212 — UNITED CAN CO (USA)
SPECIFICATIONS
length2.750 INCHES NOMINAL IN
materialSTEEL COMP 1340 OR STEEL COMP 5145 OVERALL
mesh_size8.0
body_width1.375 INCHES NOMINAL IN
bore_shapeSTRAIGHT
body_height4.500 INCHES NOMINAL IN
body_length4.250 INCHES NOMINAL IN
thread_class2A A
bore_diameter30.00 MILLIMETERS NOMINAL MM
overall_width0.9450 INCHES NOMINAL IN
physical_formPOWDER OR GRANULAR
seal_quantity2
NSN3110-00-156-4254
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: A57-5 · OEM ⚠ VERIFY BEFORE ORDERING Cup and cone sold separately — verify you are ordering BOTH parts or the correct component. Always replace cup and cone together — mismatched wear = premature failure ✓ BROKER TIP Taper angle determines axial load capacity. Steeper angle = higher axial load rating. Timken series numbers indicate dimensions — cross-reference carefully PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
BEARING SEAL TYPE: CONTACT
•
BORE SHAPE: STRAIGHT
•
LOAD DIRECTION: RADIAL
•
STANDARD TOLERANCE DESIGNATION: ABEC NO.1
•
INTERNAL FIT-UP DESIGNATION: STANDARD
TECHNICAL CHARACTERISTICS (FLIS)
BEARING SEAL TYPECONTACT
BORE SHAPESTRAIGHT
LOAD DIRECTIONRADIAL
STANDARD TOLERANCE DESIGNATIONABEC NO.1
BEARING SEAL TYPECONTACT
BORE SHAPESTRAIGHT
INTERNAL FIT-UP DESIGNATIONSTANDARD
LOAD DIRECTIONRADIAL
LUBRICATION MATERIALGREASE
SURFACE FINISHGROUND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 23
1440891Interchangeable
interchangeable cross-reference
interchangeable
77-030Interchangeable
interchangeable cross-reference
interchangeable
A575-500Interchangeable
interchangeable cross-reference
interchangeable
A575Interchangeable
interchangeable cross-reference
interchangeable
DM54185AJ883BInterchangeable
interchangeable cross-reference
interchangeable
SN74185AJInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A57-5?
A57-5 is a FILTER,RADIO FREQUENCY INTERFERE. It is classified as a MRO (MRO_GENERAL).
What parts can replace A57-5?
There are 23 known substitutes for A57-5: 1440891, 77-030, A575-500 and 20 more. Substitute compatibility should be verified for your specific system.
What is the NSN for A57-5?
A57-5 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-156-4254. 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