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Technical Data Sheet
PartsTable / MRO / A306
A306 ✓ Verified by PartsTable
— · MRO · MRO_GENERAL
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 height: 2.469 INCHES NOMINAL IN, diameter: 3.375 INCHES NOMINAL IN, material: PLASTIC FIRST POSITION SHIELD SOLID ALL GROUPS, body_width: 0.390 INCHES MAXIMUM IN, body_height: 0.085 INCHES MAXIMUM IN, body_length: 0.390 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 3120-00-458-1949, 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→ A306
NSN: 3120-00-458-1949
FSC: 3120
CAGE: 70417 — CHRYSLER CORP AMPLEX DIV (USA)
SPECIFICATIONS
height2.469 INCHES NOMINAL IN
diameter3.375 INCHES NOMINAL IN
materialPLASTIC FIRST POSITION SHIELD SOLID ALL GROUPS
body_width0.390 INCHES MAXIMUM IN
body_height0.085 INCHES MAXIMUM IN
body_length0.390 INCHES MAXIMUM IN
corner_shapeSQUARE ALL CORNERS
body_diameter0.640 INCHES MAXIMUM IN
body_materialMETAL
rating_methodWINDING TURNS SINGLE COMPONENT SINGLE PRIMARY
terminal_typeTAB, SOLDER LUG
turn_quantity5 SINGLE COMPONENT SINGLE PRIMARY
NSN3120-00-458-1949
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: A306 · 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: MIL-B-5687,TY 1,COMP A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
MATERIAL: COPPER ALLOY OVERALL
•
BODY INSIDE DIAMETER: 0.3125 INCHES MINIMUM AND 0.3135 INCHES MAXIMUM IN
•
CORNER SHAPE: SQUARE ALL CORNERS
•
STYLE DESIGNATOR: SOLID, PLAIN, NO OUTSIDE FLANGES
•
BODY OUTSIDE DIAMETER: 0.3760 INCHES MINIMUM AND 0.3770 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-B-5687,TY 1,COMP A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALCOPPER ALLOY OVERALL
OVERALL LENGTH0.8700 INCHES MINIMUM AND 0.8800 INCHES MAXIMUM IN
BODY INSIDE DIAMETER0.3125 INCHES MINIMUM AND 0.3135 INCHES MAXIMUM IN
CORNER SHAPESQUARE ALL CORNERS
STYLE DESIGNATORSOLID, PLAIN, NO OUTSIDE FLANGES
BODY OUTSIDE DIAMETER0.3760 INCHES MINIMUM AND 0.3770 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
A14522Interchangeable
interchangeable cross-reference
interchangeable
241-0375-010Interchangeable
interchangeable cross-reference
interchangeable
6177Interchangeable
interchangeable cross-reference
interchangeable
A9307Interchangeable
interchangeable cross-reference
interchangeable
AL-70Interchangeable
interchangeable cross-reference
interchangeable
AL73Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A306?
A306 is a TRANSFORMER,RADIO FREQUENCY. It is classified as a MRO (MRO_GENERAL).
What parts can replace A306?
There are 15 known substitutes for A306: A14522, 241-0375-010, 6177 and 12 more. Substitute compatibility should be verified for your specific system.
What is the NSN for A306?
A306 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-458-1949. 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