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Original
A31870: Hexagonal Lock Nut, M20
Part Number: A31870
- Hexagonal Lock Nut designed to provide secure fastening and prevent loosening under vibration
- Features a 30 mm (1.18 in) width across flats and a 2.50 mm (0.1 in) thread pitch for robust applications
- Includes a D-type locking mechanism, 11.10 mm (7/16 in) wrench height, and 17.75 mm (0.7 in) thickness for enhanced stability
- Made from high-quality general steel for durability and long-lasting performance
- Finished with a zinc coating to resist corrosion and extend the product's lifespan
WARNING/ADVERTENCIA -Cancer and Reproductive Harm/Cáncer y Daño Reproductivo. www.p65warnings.ca.gov
Compatible Equipment
For the most accurate fit and confidence, please select the equipment you are shopping for. Parts can be used across a number of different models, the models shown here indicate general fit of the part.
- 6B-1104/6110B
- 6B-1204/6120B
- 6B-1404
- 6E-1204
- 6E-1204P
- 6E-1404
- 6E-1404L
- 6E-1404P
- 6E-1404PL
- 6E-1504L
- 6E-1504PL
- 324H
- 335
- 344H
- 350C
- 350D
- 350D-II
- 350DW
- 375
- 385
- 400C
- 400D
- 400D-II
- 410D
- 435
- 454
- 510D
- 525
- 530
- 530B
- 535
- 545
- 550
- 570
- 572
- 580
- 582
- 590
- 592
- 606SH
- 608BH
- 608L
- 608LH
- 608SH
- 622X
- 625
- 625D
- 625X
- 630
- 630D
- 630FD
- 630X
- 635
- 635D
- 635FD
- 635X
- 637
- 640D
- 640FD
- 640L
- 640L-II
- 640X
- 643L
- 643L-II
- 645FD
- 648L
- 648L-II
- 653
- 654
- 655
- 660
- 670
- 680
- 703G
- 703GH
- 703JH
- 710D
- 722PF
- 722X
- 725D
- 725PF
- 725X
- 730
- 730D
- 730FD
- 730PF
- 730X
- 735
- 735D
- 735FD
- 735PF
- 735X
- 740D
- 740FD
- 740PF
- 740X
- 745FD
- 748
- 748L
- 748L-II
- 750 P
- 750A
- 750J
- 750J-II
- 750K
- 750L
- 753G
- 753GH
- 753GL
- 753J
- 753JH
- 759G
- 759GH
- 759J
- 759JH
- 768L-II
- 803M
- 803MH
- 830
- 835
- 843L
- 843L-II
- 848L
- 848L-II
- 850
- 850 P
- 850 X
- 850J
- 850J-II
- 850K
- 850L
- 853
- 853G
- 853J
- 853JH
- 853M
- 853MH
- 856
- 859M
- 859MH
- 900
- 903G
- 903J
- 903JH
- 903K
- 903KH
- 903M
- 903MH
- 909J
- 909JH
- 909K
- 909KH
- 909M
- 909MH
- 912
- 913
- 914
- 915F
- 915R
- 918
- 918F
- 918R
- 920
- 920D
- 920F
- 920R
- 922
- 922F
- 922R
- 924
- 925
- 925D
- 925F
- 925R
- 926
- 930
- 930D
- 930F
- 930R
- 936
- 936D
- 944 X
- 944K
- 946
- 948L
- 948L-II
- 950 P
- 950K
- 953G
- 953J
- 953K
- 953M
- 953MH
- 953ML
- 956
- 959J
- 959K
- 959M
- 959MH
- 959ML
- 970
- 1015
- 1050 P
- 1050K
- 1354
- 1404
- 1535
- 1690
- 1705
- 1710
- 1715
- 1720
- 1725
- 1730
- 1745
- 1760
- 1760/1765 PRECISION UPGRADES
- 1760NT
- 1765
- 1770
- 1770NT
- 1775
- 1775NT
- 1780
- 1785
- 1790
- 1795
- 1810
- 1820
- 1830
- 1835
- 1840
- 1860
- 1870
- 1890
- 1895
- 1900
- 1910
- 1990
- 2210
- 2210LL
- 2230FH
- 2230LL
- 2310
- 2330
- 2410
- 2430
- 2430C
- 2510C
- 2510H
- 2510S
- 2620
- 2623
- 2623VT
- 2625
- 2630
- 2633
- 2633VT
- 2635
- 2660VT
- 2720
- 2730
- 2810
- 3325
- 3365
- 3710
- 4700
- 4710
- 4720
- 4890
- 4895
- 4920
- 4990
- 4995
- 6010
- 6020
- 6095B
- 6100
- 6100D
- 6100E SALTILLO
- 6105D
- 6105E
- 6105EH
- 6110
- 6110B
- 6110D
- 6110E SALTILLO
- 6110J
- 6110L
- 6115D
- 6115E
- 6120
- 6120B
- 6120E
- 6120EH
- 6120L
- 6125D
- 6125E SALTILLO
- 6125J
- 6130D
- 6130E SALTILLO
- 6130J
- 6135B
- 6135E
- 6140B
- 6140D
- 6140E
- 6140J
- 6150B
- 6155J
- 6200
- 6200L
- 6205
- 6210
- 6210L
- 6215
- 6220
- 6220L
- 6300
- 6300L
- 6310
- 6310L
- 6320
- 6320L
- 6400
- 6400L
- 6403
- 6405
- 6410
- 6410L
- 6415
- 6420
- 6420L
- 6420S
- 6425
- 6500
- 6500L
- 6505
- 6506
- 6510
- 6510L
- 6510S
- 6515
- 6520
- 6520L
- 6600
- 6603
- 6605
- 6610
- 6615
- 6620
- 6715
- 6800
- 6803
- 6810
- 6820
- 6900
- 6910
- 6910S
- 6920
- 6920S
- 6930
- 7210
- 7220
- 7260
- 7320
- 7410
- 7420
- 7425
- 7455
- 7460
- 7500
- 7505
- 7510
- 7515
- 7520
- 7525
- 7660
- 7760
- 9400
- 9410
- 9450
- 9470 STS
- 9500
- 9501
- 9510
- 9550
- 9560
- 9560 STS
- 9570 STS
- 9600
- 9610
- 9640
- 9650
- 9650 STS
- 9660
- 9660 STS
- 9660 WTS
- 9670 STS
- 9680
- 9750 STS
- 9760 STS
- 9770 STS
- 9860 STS
- 9870 STS
- 9880 STS
- 9935
- 9970
- 9976
- 9986
- 9996
- A400
- B35C
- B40C
- C300
- C350
- C350L
- C350T
- C400L
- C400T
- C450
- C500
- C500L
- C500T
- C550L
- C550T
- CC11
- CC13
- CC19
- CC21
- CP20
- CP550
- CP570
- CP690
- CP770
- CS690
- CS770
- CTS
- CTS II
- EXACTEMERGE RETROFIT KIT
- FC10R
- FC15M
- FC15R
- FC20M
- FC20R
- FS22B
- H540F
- H541
- H550
- H550F
- H560F
- H561
- HD35F
- HD35R
- HD35X
- HD40F
- HD40R
- HD40X
- HD45F
- HD45R
- HD45X
- HD50F
- HD50R
- HDF 35
- HDF 40
- HDF 45
- HDF 50
- HDR 35
- HDR 40
- HDR 45
- HDR 50
- HDX 35
- HDX 40
- HDX 45
- M15
- M20
- MAXEMERGE 5E RETROFIT KIT
- MX225
- MX425
- N550
- N560
- N560F
- P540
- P556
- P576
- PLANTER PRECISION UPGRADES
- R10
- R15
- R20
- R450
- RD30F
- RD35F
- RD40F
- RD45F
- RDF 30
- RDF 35
- RDF 40
- RDF 45
- S5 500
- S7 600
- S7 700
- S7 800
- S7 850
- S7 900
- S250
- S300
- S350
- S540
- S550
- S560
- S650
- S660
- S660 PRECISION UPGRADES
- S670
- S670 PRECISION UPGRADES
- S670H
- S680
- S680 PRECISION UPGRADES
- S680H
- S685
- S685H
- S690
- S690 PRECISION UPGRADES
- S690H
- S760
- S760 PRECISION UPGRADES
- S770
- S770 PRECISION UPGRADES
- S780
- S780 PRECISION UPGRADES
- S790
- S790 PRECISION UPGRADES
- SH8R
- SH12F
- SH12R
- W235
- W260
- XA 22
- XA 25
- XA 30
- XA 35
- XA 40
Return Details
Return Information
Return Items identified as ‘Eligible for Return’ are eligible for refund within 30 days of invoicing. Returned Items must be returned in new condition and in its original packaging with all paperwork including manuals, assembly instructions and your packing slip. Parts must be returned to the seller listed on your e-commerce invoice. Return eligibility & processing will be verified by the dealer at time of return. View Return Policy for complete information.
Warranty Information
Generally, parts purchased from Shop.Deere.com are covered by the John Deere Parts Warranty, covering defects in material and workmanship, for a minimum period of 6 months from receipt. For complete warranty information, please contact your local authorized John Deere dealer.