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4639-5 Type
Self-Ejecting Fastener and
4639-19 Type
S-Spring Receptacle

Ejecting Stud Picture S-Spring Receptacle Picture

To order, add up the thickness of the panels being joined together, as shown here. Next, locate the total thickness on the chart. The part number is shown under the Part Number column.

Total Material Thickness (inches) Stud Length Spring Height Stud Part Number Receptacle Part Number
.077-.110 .400 .325 4639-55-400 4639-195-325
.102- .135 .400 .300 4639-55-400 4639-195-300
.127- .160 .400 .275 4639-55-400 4639-195-275
.152- .185 .400 .250 4639-55-400 4639-195-250
.177- .210 .400 .225 4639-55-400 4639-195-225
.202- .235 .500 .300 4639-55-500 4639-195-300
.227- .260 .550 .325 4639-55-550 4639-195-325
.252- .285 .500 .250 4639-55-500 4639-195-250
.277- .310 .500 .225 4639-55-500 4639-195-225
.302- .335 .550 .250 4639-55-550 4639-195-250
.327- .360 .550 .225 4636-55-550 4639-195-225