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GRAINGER APPROVED Press coupling with stop, 1/2" x 1/2" 816YJ9 - Picture 1 of 1

Master Lock 389DAT Universal Trailer Coupler Lock - Red

4.676 product ratings
Grainger (111061)
99.3% positive feedback
Price:
$2.73
US $6.99 delivery in 2–4 days
Get it between Fri, Aug 29 and Tue, Sep 2
Returns:
30 days returns. Seller pays for return shipping.
Condition:
New
Coupling with Stop, Application Potable Water, Fitting Side A Connection Type Press-Fit, Fitting Side B Connection Type Press-Fit, Fitting Side A Copper Tube Size 1/2 in, Fitting Side B Copper Tube Size 1/2 in, Fitting Material Copper, Fitting Side A Pipe Size Not Applicable, Fitting Side B Pipe Size Not Applicable, Material Grade C12200, O-Ring Material EPDM, Specific Fitting Shape Straight Coupling, Finish/Coating Polished, Fitting Side A Tube Outer Diameter 5/8 in.

About this product

Product Identifiers

BrandMaster Lock
MPN389DAT
Ean0692617373266
GTIN0692617373266
UPC0692617373266
Model389DAT
eBay Product ID (ePID)8033162395

Dimensions

Weight2.65lbs.

Additional Product Features

Custom BundleNo

All listings for this product

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GRAINGER APPROVED Press coupling with stop, 1/2" x 1/2" 816YJ9
item 1 GRAINGER APPROVED Press coupling with stop, 1/2" x 1/2" 816YJ9
$2.73
+$6.99 shipping
GRAINGER APPROVED Press coupling with stop, 3/4" x 3/4" 816YK0
item 2 GRAINGER APPROVED Press coupling with stop, 3/4" x 3/4" 816YK0
$4.44
+$6.99 shipping
GRAINGER APPROVED Press coupling No stop, 3/4" x 3/4" 816YK9
item 3 GRAINGER APPROVED Press coupling No stop, 3/4" x 3/4" 816YK9
$4.44
+$6.99 shipping
GRAINGER APPROVED Press coupling No stop, 1" x 1" 816YL0
item 4 GRAINGER APPROVED Press coupling No stop, 1" x 1" 816YL0
$7.11
+$6.99 shipping
GRAINGER APPROVED Press coupling with stop, 1" x 1" 816YK1
item 5 GRAINGER APPROVED Press coupling with stop, 1" x 1" 816YK1
$7.11
+$6.99 shipping
GRAINGER APPROVED Press coupling No stop, 1-1/4"x1-1/4" 816YL1
item 6 GRAINGER APPROVED Press coupling No stop, 1-1/4"x1-1/4" 816YL1
$9.99
+$6.99 shipping
GRAINGER APPROVED Coupling,304 SS,1/8",F BSPT,Class 150 60VD80
item 7 GRAINGER APPROVED Coupling,304 SS,1/8",F BSPT,Class 150 60VD80
$9.99
+$6.99 shipping
GRAINGER APPROVED Coupling,316 SS,1/8",F BSPT,Class 150 60VG25
item 8 GRAINGER APPROVED Coupling,316 SS,1/8",F BSPT,Class 150 60VG25
$11.28
+$6.99 shipping
GRAINGER APPROVED ZUSA-PF-7513 Coupling,316 SS,1/4",F BSPT,Class 150 60VG24
item 9 GRAINGER APPROVED ZUSA-PF-7513 Coupling,316 SS,1/4",F BSPT,Class 150 60VG24
$12.57
+$6.99 shipping
GRAINGER APPROVED JAX16MM QD Bushing, JA, 16 mm B Dia,1 in L 813C75
item 10 GRAINGER APPROVED JAX16MM QD Bushing, JA, 16 mm B Dia,1 in L 813C75
$17.05
+$6.99 shipping
GRAINGER APPROVED QD Bushing, JA, 14 mm B Dia,1 in L 813C73
item 11 GRAINGER APPROVED QD Bushing, JA, 14 mm B Dia,1 in L 813C73
$17.05
+$6.99 shipping
GRAINGER APPROVED JAX15MM QD Bushing, JA, 15 mm B Dia,1 in L 813C74
item 12 GRAINGER APPROVED JAX15MM QD Bushing, JA, 15 mm B Dia,1 in L 813C74
$17.05
+$6.99 shipping
GRAINGER APPROVED QD Bushing, JA, 15/16 in B Dia,1 in L 813C71
item 13 GRAINGER APPROVED QD Bushing, JA, 15/16 in B Dia,1 in L 813C71
$17.05
+$6.99 shipping
GRAINGER APPROVED Coupling,316 SS,1/2",F BSPP,Class 150 60VG22
item 14 GRAINGER APPROVED Coupling,316 SS,1/2",F BSPP,Class 150 60VG22
$25.17
+$6.99 shipping
GRAINGER APPROVED 1610X38MM TL Bushing, 1610, 38 mm B Dia,1 in L 812ZP7
item 15 GRAINGER APPROVED 1610X38MM TL Bushing, 1610, 38 mm B Dia,1 in L 812ZP7
$26.74
+$6.99 shipping
GRAINGER APPROVED 1610X1-7/16 TL Bushing, 1610, 1 7/16 in B Dia,1 in L 812ZM9
item 16 GRAINGER APPROVED 1610X1-7/16 TL Bushing, 1610, 1 7/16 in B Dia,1 in L 812ZM9
$26.74
+$6.99 shipping
Master Lock - Universal Size Fits 1-7/8", 2", and 2-5/16" Couplers - Trailer
item 17 Master Lock - Universal Size Fits 1-7/8", 2", and 2-5/16" Couplers - Trailer
$44.17
Free shipping
Master Lock Universal Trailer Coupler Lock, Model# 389DAT
item 18 Master Lock Universal Trailer Coupler Lock, Model# 389DAT
$38.24
+$9.99 shipping
Master Lock Universal Trailer Hitch Lock 1
item 19 Master Lock Universal Trailer Hitch Lock 1
$50.78
Free shipping
Master Lock Universal Trailer Locks Fits 1-7/8", 2″ and 2-5/16″ Trailer Couplers
Last one
item 20 Master Lock Universal Trailer Locks Fits 1-7/8", 2″ and 2-5/16″ Trailer Couplers
$60.99
Free shipping
GRAINGER APPROVED Coupling,316 SS,1",F BSPP,Class 150 60VG20
item 21 GRAINGER APPROVED Coupling,316 SS,1",F BSPP,Class 150 60VG20
$54.70
+$6.99 shipping
GRAINGER APPROVED Q1X2-1/8 ST Bushing, Q1, 2 1/8 in B Dia,2.5 in L 812YP5
item 22 GRAINGER APPROVED Q1X2-1/8 ST Bushing, Q1, 2 1/8 in B Dia,2.5 in L 812YP5
$81.74
Free shipping
GRAINGER APPROVED Q1X2-7/16 ST Bushing, Q1, 2 7/16 in B Dia,2.5 in L 812YT4
item 23 GRAINGER APPROVED Q1X2-7/16 ST Bushing, Q1, 2 7/16 in B Dia,2.5 in L 812YT4
$81.74
Free shipping
GRAINGER APPROVED ST Bushing, Q1, 2 1/4 in B Dia,2.5 in L 812YT2
item 24 GRAINGER APPROVED ST Bushing, Q1, 2 1/4 in B Dia,2.5 in L 812YT2
$81.74
Free shipping
GRAINGER APPROVED ST Bushing, Q1, 1 7/16 in B Dia,2.5 in L 812YR4
item 25 GRAINGER APPROVED ST Bushing, Q1, 1 7/16 in B Dia,2.5 in L 812YR4
$81.74
Free shipping
GRAINGER APPROVED Q1X1-7/8 ST Bushing, Q1, 1 7/8 in B Dia,2.5 in L 812YP3
item 26 GRAINGER APPROVED Q1X1-7/8 ST Bushing, Q1, 1 7/8 in B Dia,2.5 in L 812YP3
$81.74
Free shipping
GRAINGER APPROVED Q1X1-3/8 ST Bushing, Q1, 1 3/8 in B Dia,2.5 in L 812YR2
item 27 GRAINGER APPROVED Q1X1-3/8 ST Bushing, Q1, 1 3/8 in B Dia,2.5 in L 812YR2
$81.74
Free shipping
GRAINGER APPROVED ST Bushing, Q1, 1 3/4 in B Dia,2.5 in L 812YP2
item 28 GRAINGER APPROVED ST Bushing, Q1, 1 3/4 in B Dia,2.5 in L 812YP2
$81.74
Free shipping
GRAINGER APPROVED ST Bushing, Q1, 25 mm B Dia,2.5 in L 812YU4
item 29 GRAINGER APPROVED ST Bushing, Q1, 25 mm B Dia,2.5 in L 812YU4
$84.67
Free shipping
GRAINGER APPROVED Press XL coupling No stop, 3" x 3" 816YL5
item 30 GRAINGER APPROVED Press XL coupling No stop, 3" x 3" 816YL5
$86.70
Free shipping
GRAINGER APPROVED 3V605 V-Belt Pulley,Detachable,5Groove,6"OD 5YKV8
item 31 GRAINGER APPROVED 3V605 V-Belt Pulley,Detachable,5Groove,6"OD 5YKV8
$173.20
Free shipping
Master Lock Universal Trailer Coupler Lock, Model# 389DAT
item 32 Master Lock Universal Trailer Coupler Lock, Model# 389DAT
$19.00
Master Lock Universal Trailer Lock ~ Size Fits 1-7/8", 2", & 2-5/16" New Sealed
item 33 Master Lock Universal Trailer Lock ~ Size Fits 1-7/8", 2", & 2-5/16" New Sealed
$21.95
MASTER LOCK 389DAT (ECP012828)
item 34 MASTER LOCK 389DAT (ECP012828)
$24.99
Master Lock Universal Trailer Coupler Lock, Model# 389DAT Open Box
item 35 Master Lock Universal Trailer Coupler Lock, Model# 389DAT Open Box
$34.88
Master Lock - Universal Size Fits 1-7/8", 2", And 2-5/16" Couplers Trailer Locks
item 36 Master Lock - Universal Size Fits 1-7/8", 2", And 2-5/16" Couplers Trailer Locks
$39.99
Master Lock Universal Trailer Coupler Lock
item 37 Master Lock Universal Trailer Coupler Lock
$43.75
listings for this product

Ratings and Reviews

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4.7
6 product ratings
  • 5 users rated this 5 out of 5 stars
  • 0 users rated this 4 out of 5 stars
  • 1 users rated this 3 out of 5 stars
  • 0 users rated this 2 out of 5 stars
  • 0 users rated this 1 out of 5 stars

Most relevant reviews

  • by saltcar
    Dec 01, 2019

    Works good. Keep it lubed

    Works on most trailer tongues. Prone to freezing in cold so best to keep it lubed and have a torch ready in case!

    Verified purchase: Yes

  • by rockinrobintweetdeledeet
    Jul 07, 2025

    Fits great, it will deter any would be r...

    Fits great, it will deter any would be robbers.

    Verified purchase: YesCondition: New

  • by firecaptain9
    Aug 31, 2021

    Trailer lock

    worked great, 2-5/16 dump trailer

    Verified purchase: Yes

  • by sachaedil
    Aug 16, 2021

    Coupler

    Fits a little loose but i think will work

    Verified purchase: Yes

  • by dennisinpr
    Jun 12, 2024

    Looks good thanks

    Looks good thanks

    Verified purchase: YesCondition: New

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