Smalley Retaining Rings

Step 1: Do you need to meet any specifications?

Specification Smalley Series
Military MIL- DTL-27426/3 WH
Military MIL- DTL-27426/1 WS
Military MIL- DTL-27426/4 WHM
Military MIL- DTL-27426/2 WSM
Aerospace AS4299, AS3217, AS3219 WH
Aerospace AS4299, AS3218, AS3219 WS
Aerospace AS4299, AS3215, AS3219 WHM
Aerospace AS4299, AS3216, AS3219 WSM
Metric Aerospace MA 4017 EH
Metric Aerospace MA 4016 ES

Step 2: Do you need to match an alternative ring groove?

Manufacturer Smalley Series
Truarc N5000 & 5008 WHM
Truarc 5100 & 5108 WSM
Eaton NAN WHT
Eaton XAN WST
Eaton I-N WHM
Eaton E-N WSM
Industrial RR 3000 & 4000 WHM
Industrial RR 3100 & 4100 WSM
Anderton N1300 WHM
Anderton N1400 WSM
Anderton D1300 DNH
Anderton D1400 DNS
European Specification DIN 472 DNH
European Specification DIN 471 DNS

Step 3: Choose by the thrust capacity needed.

Standard Units (inches)
Series Load (lb) Housing Shaft
Light Duty 4100 VH VS
Medium Duty 4950 WH WS
Medium Heavy Duty 7070 WHT WST
Heavy Duty 8340 WHM WSM
Constant Section Rings 8341 FHE FSE
WaveRing ---- WHW WSW
Representative example shows the load capacity for a 2" housing ring

 

Metric Units (mm)
Series Load (kN) Housing Shaft
Light Duty 18.03 VHM VSM
DIN Series1 36.55 DNH DNS
Aerospace Series 38.96 EH ES
Constant Section Rings 36.53 FH FS
Representative example shows the load capacity for a 50mm ring.
1Manufactured to meet DIN 471 and DIN 472 groove specifications.
Smalley Retaining Rings

Still not sure?

Use Smalley's most popular series, Medium Duty WH (internal) or WS (external)