#21 Couplers - Long Underset Plastic Shank
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This industry leading coupler features plastic standard coupler with metal knuckle, and #634 standard centering spring and comes complete with insulated draft gearbox and lid. The #21 Magne-Matic® Plastic Coupler may be mounted with the included #213 or #232 Gearbox or with most other manufacturers cast-on coupler pockets.
It is not recommended to use a metal coupler directly on a metal surface or in a metal draft gearbox to avoid possible electrical crossover and shorting that may cause damage.
Two pair per package
UPC: 765484000211
Made in the U.S.A.
HO-Scale
Package Includes:
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(2) Pair #21 Plastic Shank Couplers - Long Underset Shank
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(2) Pair #634 Centering Spring NO.5® Style
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(2) Pair #213 055" ID & .100" ID Bushing/Sleeves
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(2) Pair #212 Talgo Truck Adaptors
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(2) Pair #213 Gearboxes
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(2) Pair #232 Gearboxes
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(2) #622 Knuckle Springs
#21 Plastic Coupler Features:
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Material |
- Metal Knuckle, Plastic Coupler Shank |
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Shank Length |
- Long (25/64") (center hole to back of coupler head) |
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Coupler Offset |
- Underset |
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Knuckle Spring |
- #622 |
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Centering System |
- Standard Shank |
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Centering Spring |
- #634 Centering Spring NO.5® Style |
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Head |
- Standard Head |
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Works In Place of |
- #141, long underset "clone" couplers |
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Works With |
- #213, #232, #234, #242, most manufacturer cast-on draft gearboxes |
#212 Talgo Truck Adaptors:
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Material |
- Insulated Plastic |
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Works With |
- NO.5®, #58, 20-Series and all Whisker® Couplers |
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To check coupler height, set the coupler into the talgo truck pocket and hold it level as possible and check the coupler height with a #205 or newer #206 HO coupler height gauge. |
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NOTE: So it is important to check coupler height and make sure it is correct "before" you insert the talgo truck adaptor, because it's almost impossible to remove without breaking something. |
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#213 Plastic Draft Gearboxes:
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Material |
- Insulated Plastic |
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Dimensions |
- 25/64"L x 5/16"W x 3/32"H |
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Works With |
- NO.5®, #58, 20-Series and all Whisker® Couplers |
#232 Plastic Draft Gearboxes & Lids Features:
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Material |
- Insulated Plastic |
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Dimensions |
- 29/64"L x 19/64"W x 7/64"H |
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Works With |
- NO.5®, #58, 20-Series and all Whisker® Couplers |
#21 with a #212 Talgo Truck Adaptor. Mounting Specifications:
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Centerline |
- 25/64" |
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Trip Pin Height |
- 1/32" |
#21 in a #213 monted on bottom. Mounting Specifications:
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Mounting Height |
- 25/64" |
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Centerline |
- 25/64" |
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Trip Pin Height |
- 1/32" |
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Center Hole |
- 2-56 Insulated Screws are the most commonly used. (Screw length will vary) |
#21 in a #213 monted on top. Mounting Specifications:
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Mounting Height |
- 19/64" |
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Centerline |
- 25/64" |
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Trip Pin Height |
- 1/32" |
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Center Hole |
- 2-56 Insulated Screws are the most commonly used. (Screw length will vary) |
#21 in a #232 Mounting Specifications:
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Mounting Height |
- 25/64" |
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Centerline |
- 25/64" |
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Trip Pin Height |
- 1/32" |
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Center Hole |
- 2-56 Insulated Screws are the most commonly used. (Screw length will vary) |
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Side Holes |
- 0-48 Self-Tapping or 0-80 Machine Screws. (Screw length will vary) |
