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T-305 — COIL,RADIO FREQUENCY

✓ Government record, cited
Motorola · TAPERED BEARING
PRODUCT OVERVIEW

T-305: COIL,RADIO FREQUENCY.

The COIL,RADIO FREQUENCY is a Motorola industrial component. Key specifications include material: STEEL, body_length: 0.145 INCHES NOMINAL IN, thread_class: 2A STUD THREAD A, rating_method: WINDING TURNS SINGLE COMPONENT SINGLE WINDING, thread_length: 1.250 INCHES MINIMUM NUT THREAD IN, turn_quantity: 7 SINGLE COMPONENT SINGLE WINDING. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-144-8519, 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
T-305
NSN: 3110-00-144-8519
NIINs: 001448519, 002741476, 009528589, 010343507, 014587082
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 60380 — TIMKEN AEROSPACE, INC DBA TORRINGTON PRODUCT (USA)
SPECIFICATIONS
materialSTEEL
body_length0.145 INCHES NOMINAL IN
thread_class2A STUD THREAD A
rating_methodWINDING TURNS SINGLE COMPONENT SINGLE WINDING
thread_length1.250 INCHES MINIMUM NUT THREAD IN
turn_quantity7 SINGLE COMPONENT SINGLE WINDING
coil_form_typeSOLID SINGLE COMPONENT
inclosure_typeOPEN
overall_length2.500 INCHES NOMINAL IN
hardness_rating20.0 ROCKWELL C MINIMUM AND 28.0 ROCKWELL C MAXIMUM
mounting_methodTERMINAL SINGLE GROUP
thread_directionRIGHT-HAND STUD THREAD
NSN3110-00-144-8519
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: T-305 · Motorola ⚠ 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
SUBSTITUTES & CROSS-REFERENCES 10
SRB305SReference document
Same NSN cross-reference
Reference document — Secondary reference
1B4115Reference document
Same NSN cross-reference
Reference document — Secondary reference
ST288Reference document
Same NSN cross-reference
Reference document — Secondary reference
PP047BAL0200Reference document
Same NSN cross-reference
Reference document — Secondary reference
731237Reference document
Same NSN cross-reference
Reference document — Secondary reference
501031Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is T-305?
T-305 is a COIL,RADIO FREQUENCY manufactured by Motorola.
What parts can replace T-305?
There are 10 known substitutes for T-305: SRB305S, 1B4115, ST288 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for T-305?
T-305 is cataloged in the U.S. Government catalog under NSN 3110-00-144-8519. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.