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Technical Data Sheet
PartsTable / COMPONENT / A131-50
A131-50 ✓ 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 TRANSFORMER,RADIO FREQUENCY is a the manufacturer industrial component. Key specifications include body_length: 0.490 INCHES MAXIMUM IN, rating_method: WINDING TURNS SINGLE COMPONENT SINGLE SECONDARY, turn_quantity: 9-3/4 SINGLE COMPONENT SINGLE PRIMARY, coil_form_type: HOLLOW SINGLE COMPONENT, inclosure_type: FULLY INCLOSED, mounting_method: TAB SINGLE GROUP. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-01-065-2234, 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
A131-50
NSN: 3120-01-065-2234
FSC: 3120
CAGE: K0673 — PAGE AEROSPACE LIMITED (GBR)
SPECIFICATIONS
body_length0.490 INCHES MAXIMUM IN
rating_methodWINDING TURNS SINGLE COMPONENT SINGLE SECONDARY
turn_quantity9-3/4 SINGLE COMPONENT SINGLE PRIMARY
coil_form_typeHOLLOW SINGLE COMPONENT
inclosure_typeFULLY INCLOSED
mounting_methodTAB SINGLE GROUP
mounting_tab_width0.060 INCHES NOMINAL IN
body_outside_diameter0.422 INCHES NOMINAL IN
reliability_indicatorNOT ESTABLISHED
winding_conductor_size0.00500 INCHES AMERICAN WIRE GAGE SINGLE COMPONENT SINGLE SECONDARY IN
terminal_type_and_quantity4 SOLDER STUD
adjustment_device_drive_typeSLOTTED SCREW SINGLE COMPONENT
NSN3120-01-065-2234
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: A131-50 · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
666092R768Interchangeable
interchangeable cross-reference
interchangeable
1347-1Interchangeable
interchangeable cross-reference
interchangeable
SM-C-502372-6Interchangeable
interchangeable cross-reference
interchangeable
A13115Interchangeable
interchangeable cross-reference
interchangeable
A6358Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A131-50?
A131-50 is a TRANSFORMER,RADIO FREQUENCY.
What parts can replace A131-50?
There are 5 known substitutes for A131-50: 666092R768, 1347-1, SM-C-502372-6 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for A131-50?
A131-50 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-01-065-2234. 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