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311-D — ADAPTER,ANTENNA TO TRANSMITTER

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

311-D: ADAPTER,ANTENNA TO TRANSMITTER.

The ADAPTER,ANTENNA TO TRANSMITTER is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, bore_shape: STRAIGHT, bore_diameter: 55.0 MILLIMETERS NOMINAL MM, overall_width: 1.380 INCHES NOMINAL IN, load_direction: RADIAL, overall_height: 1.120 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-555-5402, 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
311-D
NSN: 3110-00-555-5402
NIINs: 005555402, 010756741
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 21335 — TIMKEN CO DIV THE TIMKEN COMPANY (USA)
SPECIFICATIONS
materialSTEEL OVERALL
bore_shapeSTRAIGHT
bore_diameter55.0 MILLIMETERS NOMINAL MM
overall_width1.380 INCHES NOMINAL IN
load_directionRADIAL
overall_height1.120 INCHES NOMINAL IN
overall_length3.900 INCHES NOMINAL IN
surface_finishGROUND
shield_quantity1
special_featuresSHIELDED BOX 1; CONNECTOR 1; COIL 1; CAPACITOR 1; DECAL 2
style_designatorNON-LOADING GROOVE, NON-SEPARABLE
overall_outside_diameter120.0 MILLIMETERS NOMINAL MM
NSN3110-00-555-5402
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 311-D · 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
•
RETAINER FABRICATION METHOD: PRESSED
•
INTERNAL FIT-UP DESIGNATION: STANDARD
•
SURFACE FINISH: GROUND
•
SHIELD QUANTITY: 1
•
STYLE DESIGNATOR: NON-LOADING GROOVE, NON-SEPARABLE
•
OVERALL OUTSIDE DIAMETER: 120.0 MILLIMETERS NOMINAL MM
•
BORE SHAPE: STRAIGHT
TECHNICAL CHARACTERISTICS
RETAINER FABRICATION METHODPRESSED
INTERNAL FIT-UP DESIGNATIONSTANDARD
SURFACE FINISHGROUND
SHIELD QUANTITY1
STYLE DESIGNATORNON-LOADING GROOVE, NON-SEPARABLE
OVERALL WIDTH29.0 MILLIMETERS NOMINAL MM
OVERALL OUTSIDE DIAMETER120.0 MILLIMETERS NOMINAL MM
BORE SHAPESTRAIGHT
LOAD DIRECTIONRADIAL
STANDARD TOLERANCE DESIGNATIONABEC NO.1
SUBSTITUTES & CROSS-REFERENCES 9
7611X1Reference document
Same NSN cross-reference
Reference document — Secondary reference
S1196896Reference document
Same NSN cross-reference
Reference document — Secondary reference
311SFQ6A7Reference document
Same NSN cross-reference
Reference document — Secondary reference
1240064Reference document
Same NSN cross-reference
Reference document — Secondary reference
8864950P111Reference document
Same NSN cross-reference
Reference document — Secondary reference
311KDFS50000Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 311-D?
311-D is a ADAPTER,ANTENNA TO TRANSMITTER.
What parts can replace 311-D?
There are 9 known substitutes for 311-D: 7611X1, S1196896, 311SFQ6A7 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 311-D?
311-D is cataloged in the U.S. Government catalog under NSN 3110-00-555-5402. 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.