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HomeHardware, Seals, & ConsumablesHardwareFastenersNuts143-1288: 3/8''-16 Hex Flange Nut
HomeHardware, Seals, & ConsumablesHardwareFastenersNuts143-1288: 3/8''-16 Hex Flange Nut
143-1288: 3/8''-16 Hex Flange Nut

Cat® Hex Flange Locknut (Special Thread)

Brand: Cat

Product Images
143-1288: 3/8''-16 Hex Flange Nut
143-1288: 3/8''-16 Hex Flange Nut
143-1288: 3/8''-16 Hex Flange Nut
143-1288: 3/8''-16 Hex Flange Nut
143-1288: 3/8''-16 Hex Flange Nut

Cat® Hex Flange Locknut (Special Thread)

Brand: Cat

Warranty Information
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DiagramDescriptionSpecificationsCompatible Models
Specifications for part number 143-1288

Units of Measure

USMetric
Thickness (mm): 8.81
Thickness (in): 0.347
Thread: RH Coarse
Nut Type: Hex Flange
Thread Size (in - TPI) (in): 3/8-16
Hand of Thread: RH
Flange Diameter (mm): 19.05
Material: Other Mixed: Metal-Nonmetal,Alloy Zinc
Thread Size (in): 0.015
Coating: Zinc
Hex Size (in): 0.56
Class or Grade: Sae J995 Grade 8
Thread Size (mm): 0.375
Height (in): 0.34
Material Description: Steel
Hex Size (mm): 14.29
Height (mm): 8.81
Thread Size (dia x pitch) (mm): 3/8x16
Drive (mm): 14.29
Drive (in): 0.563
Flange Diameter (in): 0.75
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Compatible Models for part number 143-1288

INTEGRATED TOOLCARRIER

IT62G II IT62G IT62H IT38G II IT14G2 IT24F IT38H IT38G IT14G IT28G IT28F

WHEEL TRACTOR-SCRAPER

631K 627K LRC 623K LRC 623K 621K 627K 613G 637K

OFF HIGHWAY TRUCK

772 770 777G

MOTOR GRADER

18M3 120H 120M 120K 12M 3 AWD 135H 160H ES 120M 2 12H NA 16M 163H 120H ES 140M 140K 140H 16H 14L 140H NA 14M 140K 2 160M 3 AWD 143H 14H 12H 12M 24M 12K 14M3 12M 3 12M 2 160K 160H 160M 140M 3 AWD 16H NA 140M 3 140M 2 160H NA 16M3 14M-3 135H NA 12H ES 14H NA 163H NA 160M 2 160M 3 120H NA 140H ES 120K 2

TRACK SKIDDER

D5HTSK II D4HTSK III

WHEEL SKIDDER

555D 535D 545D 525D

TRACK-TYPE TRACTOR

D6H XL D6T LGP D5K LGP D6R III D6G2 LGP D7R LGP D3K2 XL D6T LGPPAT D5R LGP D6R XL D4K XL D4H III D6R II D3C III D4C III D6K2 XL D6T XW D3G D6T XL D5C III D6K2 LGP D4G D4H D5R2 D6N OEM D5R XL D3K XL D5N D5G D7G2 D6N XL D6R D6T D6N D6K D7E D6K LGP D7R D8 D8T D4K LGP D4K2 LGP D8R D10T2 D6R STD D6K XL D9T D9R D8R II D6T XL PAT D6T XW PAT D6G2 XL D6N LGP D4H XL D5K2 LGP D6K2 D3K2 LGP D10N D5K XL D10R D10T D11N D5K2 XL D11R D11T D7R II D6R LGP D4K2 XL D7R XR D7E LGP D3K LGP

PIPELAYER

587T 587R 561N 572R 583T 583R PL83 PL87 PL72 PL61

WATER FORDING TRACTOR

D7R II

GENERATOR SET

3508B C18

WHEEL TRACTOR

633E II 651E 611 615C II 631E 631G 623G 623H 623F 657E 621K OEM 621F 657G 621G 621H 613C II 627G 627H 627F 637G 637E 637K

TRACK LOADER

933C 939 933 939C 973D 963D 963K 953D

SOIL COMPACTOR

825H 825G 825K 815F II 815K 825G II

EJECTOR TRUCK

740 D400E II

BACKHOE LOADER

420D 420E

MACHINE CNTRL & GDNC

COMMAND

WHEEL DOZER

844 834G 834H 834B 834K 824H 824G 824K 814F II 854G 854K 824G II 844H 844K

LANDFILL COMPACTOR

826G II 816F II 816K 836H 836G 836K 826C 826G 826H 826K

COMPACT WHEEL LOADER

914G 914G2

TELEHANDLER

TL642 TL642D TL642C TL1055D TL943 TL1055 TL943D TL1255 TL1255D TH514D TH255C

WHEEL LOADER

928G 960F 972G 972H 972K 972M 972L 950G II 928HZ 950G 962H 962G 950H 950K 962L 962K 950M 950L 962M 980G II 988K XE 988G 988H 988K 966H 966G 930G 966L 930H 966K 930K 966M 966F II 962M Z 980K HLG 950M Z 924GZ 966K XE 924HZ 990K 990H 972G II 972M XE 938G II 993K 966M XE 924F 924H 924G 924K 962G II 980H 980G 992G 980L 980K 992K 980M 938G 938H 938K 990 II 994F 970F 994K 994H 966G II 982M 950F II

ENGINE - MACHINE

C4.4

ARTICULATED TRUCK

D250E II D350E II 725 740 D400E II 730 735 D300E II

OFF-HIGHWAY TRUCK

D10R

WHEEL SCRAPER

637K

QUARRY TRUCK

777E 775D 773E 771D

TRUCK

785 789 797 773G LRC 770G 795F XQ 793D 793B 793C 793F 772G 69D 793F XQ 773E 773D 773G 797F 773F 794 AC 773G OEM 785C 785D 797B 785B 793F CMD 775G 775F 772G OEM 793F OEM 775E 775D 795F AC 789C 789D 789B 777D 777G 777F 775G OEM MT4400D AC 772 770 775G LRC 770G OEM 769D

TRACTOR

776D 784C 784B

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Factory Fit

This part is designed to fit your Cat equipment based on the manufacturer’s specifications.

Any changes to the manufacturer’s configuration might result in the product not fitting your Cat equipment. Please consult your Cat Dealer before purchasing to ensure that this part is appropriate for your Cat equipment in its current condition and assumed configuration. This indicator cannot guarantee compatibility for all parts.

Remanufactured

Non-Returnable

Kit

Replaced

Remanufactured

Non-Returnable

Kit

Replaced