PartsTable
Technical Data Sheet
PartsTable / MRO / A-1-931
A-1-931 ✓ 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 material: STEEL OVERALL, overall_width: 1.1250 INCHES NOMINAL IN, overall_length: 7.875 INCHES NOMINAL IN, user_designator: MAN AND WOMAN, outside_diameter: 4.2500 INCHES NOMINAL IN, special_features: FULL COLOR, WITH SCARLET 67111, BLACK 67138, SILVER GRAY 67137, GOLDEN YELLOW 67104, AND TEAL BLUE 67121. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-142-4370, 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→ A-1-931
NSN: 3110-00-142-4370
FSC: 3110
CAGE: 78640 — MITSUBISHI CATERPILLAR FORKLIFT AMERICA, INC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
overall_width1.1250 INCHES NOMINAL IN
overall_length7.875 INCHES NOMINAL IN
user_designatorMAN AND WOMAN
outside_diameter4.2500 INCHES NOMINAL IN
special_featuresFULL COLOR, WITH SCARLET 67111, BLACK 67138, SILVER GRAY 67137, GOLDEN YELLOW 67104, AND TEAL BLUE 67121
style_designatorNORMAL ANGLE
attachment_methodHOOK FASTENER
features_providedEMBROIDERED
design_designation1ST MANEUVER ENHANCEMENT BRIGADE
top_inside_diameter1.26 INCHES NOMINAL IN
unpackaged_unit_width2.25 INCHES MAXIMUM IN
NSN3110-00-142-4370
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: A-1-931 · 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
•
BACKFACE CORNER RADIUS: 0.1250 INCHES NOMINAL IN
•
OUTSIDE DIAMETER: 4.2500 INCHES NOMINAL IN
•
STANDARD TOLERANCE DESIGNATION: AFBMA CLASS 2
•
MATERIAL: STEEL OVERALL
•
STYLE DESIGNATOR: NORMAL ANGLE
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL WIDTH1.1250 INCHES NOMINAL IN
BACKFACE CORNER RADIUS0.1250 INCHES NOMINAL IN
OUTSIDE DIAMETER4.2500 INCHES NOMINAL IN
STANDARD TOLERANCE DESIGNATIONAFBMA CLASS 2
MATERIALSTEEL OVERALL
STYLE DESIGNATORNORMAL ANGLE
SPECIAL FEATURESAXIAL DISTANCE BETWEEN CENTER OF CUP CONTACT LINE AND BEARING STABILITY POINT ON SHAFT AXIS 0.4800 IN. IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 23
SAE-J512Interchangeable
interchangeable cross-reference
interchangeable
SAE J512 8-6 040102BInterchangeable
interchangeable cross-reference
interchangeable
1327-2Interchangeable
interchangeable cross-reference
interchangeable
810002-993Interchangeable
interchangeable cross-reference
interchangeable
42867Interchangeable
interchangeable cross-reference
interchangeable
701202Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A-1-931?
A-1-931 is a FILTER,RADIO FREQUENCY INTERFERE. It is classified as a MRO (MRO_GENERAL).
What parts can replace A-1-931?
There are 23 known substitutes for A-1-931: SAE-J512, SAE J512 8-6 040102B, 1327-2 and 20 more. Substitute compatibility should be verified for your specific system.
What is the NSN for A-1-931?
A-1-931 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-142-4370. 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