PartsTable
Technical Data Sheet
1C ✓ 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

The SWITCH,TELEPHONE,SELECTOR is a the manufacturer industrial component. Key specifications include color: OFF-WHITE, material: STEEL BODY, tip_type: DESOLDERING, lens_type: CONVEX, KNURLED, THREADED SHANK SINGLE LIGHT FIRST POSITION HORIZONTAL, body_style: ROUND, leg_length: 0.550 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-155-9143, 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 1C
NSN: 3110-00-155-9143
FSC: 3110
CAGE: 38443 — SKF USA INC. (USA)
SPECIFICATIONS
colorOFF-WHITE
materialSTEEL BODY
tip_typeDESOLDERING
lens_typeCONVEX, KNURLED, THREADED SHANK SINGLE LIGHT FIRST POSITION HORIZONTAL
body_styleROUND
leg_length0.550 INCHES NOMINAL IN
lens_colorRED SINGLE LIGHT FIRST POSITION HORIZONTAL
tip_length0.375 INCHES NOMINAL IN
thread_size1/4 IN.-20 IN
tip_diameter0.125 INCHES NOMINAL IN
largest_width1.250 INCHES SINGLE END IN
lens_quantity1
NSN3110-00-155-9143
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 1C · 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
ALIGNMENT TYPE: RIGID
BORE SMALLEST DIAMETER: 0.5040 INCHES MINIMUM AND 0.5060 INCHES MAXIMUM IN
OVERALL OUTSIDE DIAMETER: 1.2168 INCHES MINIMUM AND 1.2188 INCHES MAXIMUM IN
SURFACE FINISH: GROUND
THRUST DIRECTIONAL CAPABILITY DESIGNATION: SINGLE
STYLE DESIGNATOR: FLAT RACE SURFACE, STAGGERED BALL RETAINER
MATERIAL DOCUMENT AND CLASSIFICATION: 66 FED STD ALL MATERIAL RESPONSES OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
ALIGNMENT TYPERIGID
OVERALL HEIGHT0.5575 INCHES MINIMUM AND 0.5675 INCHES MAXIMUM IN
BORE SMALLEST DIAMETER0.5040 INCHES MINIMUM AND 0.5060 INCHES MAXIMUM IN
OVERALL OUTSIDE DIAMETER1.2168 INCHES MINIMUM AND 1.2188 INCHES MAXIMUM IN
SURFACE FINISHGROUND
THRUST DIRECTIONAL CAPABILITY DESIGNATIONSINGLE
STYLE DESIGNATORFLAT RACE SURFACE, STAGGERED BALL RETAINER
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD ALL MATERIAL RESPONSES OVERALL
MATERIALSTEEL COMP E51100 OR STEEL COMP E52100 OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 25
FT1Interchangeable
interchangeable cross-reference
interchangeable
8800KInterchangeable
interchangeable cross-reference
interchangeable
DX-1Interchangeable
interchangeable cross-reference
interchangeable
T-1Interchangeable
interchangeable cross-reference
interchangeable
513Interchangeable
interchangeable cross-reference
interchangeable
CM104Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1C?
1C is a SWITCH,TELEPHONE,SELECTOR. It is classified as a MRO (MRO_GENERAL).
What parts can replace 1C?
There are 25 known substitutes for 1C: FT1, 8800K, DX-1 and 22 more. Substitute compatibility should be verified for your specific system.
Is 1C still available?
1C is currently cancelled.
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