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Turnlock Fastener Stud Assembly

Model / MPN: 28S7-3 | NSN: 5325-00-564-2364
ITAR Registered seal

A stud, turnlock fastener over which may be assembled an eyelet, turnlock fastener. Stu (s) without cam slots or cam lead threads are provided with a crosspin or eared nut for locking with the mating receptacle, turnlock fastener. May be spring loaded. For like items having a threaded fastener, see screw assembly, panel or screw, panel fastener.

Product Details
NATO Stock Number
5325-00-564-2364
Sold in multiples of
100 EA
DEMIL
NO
Diameter
Between 0.489 inches and 0.511 inches
Securing Device Type
Washer
Turnlock Stud Head Style
Fillister
Stud Assembly Style
Stud assembly
Distance From Engaging Member To Largest Bearing Surface Of Head
0.317 inches
Eyelet Outside Diameter
Between 0.519 inches and 0.531 inches
Stud Diameter
Between 0.305 inches and 0.315 inches
Material Accommodated Thickness
Between 0.090 inches and 0.119 inches
Drive Type
Slotted
Material
Steel comp 1009 eyelet
Material
Steel comp 1009 head
Material
Steel comp 304 washer
Material
Steel comp 4037 stud
Material
Steel ejector spring
Material
Steel pin
Material Specification
Qq-s-624 federal specification single material response stud
Material Specification
Qq-s-640 federal specification single material response eyelet
Material Specification
Qq-s-640 federal specification single material response head
Material Specification
Qq-w-470 federal specification single material response pin
Material Specification
Qq-s-766 federal specification single material response washer
Surface Treatment
Cadmium stud and chromate stud
Surface Treatment
Cadmium ejector spring and chromate ejector spring
Surface Treatment
Cadmium eyelet and chromate eyelet
Surface Treatment
Cadmium head and chromate head
Surface Treatment
Cadmium pin and chromate pin
Surface Treatment
Passivate washer
Surface Treatment Specification
Mil-std-171 military standard single treatment response washer
Surface Treatment Specification
Qq-p-416, type 2, cl 2 federal specification single treatment response ejector spring
Surface Treatment Specification
Qq-p-416, type 2, cl 2 federal specification single treatment response eyelet
Surface Treatment Specification
Qq-p-416, type 2, cl 2 federal specification single treatment response head
Surface Treatment Specification
Qq-p-416, type 2, cl 2 federal specification single treatment response pin
Surface Treatment Specification
Qq-p-416, type 2, cl 2 federal specification single treatment response stud

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28S7-3 Cross Reference
  • 28S7-3