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Turnlock Fastener Stud Assembly

Model / MPN: 27S8-12-1AB | NSN: 5325-00-859-3783
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
5325-00-859-3783
Sold in multiples of
1 EA
DEMIL
NO
Diameter
0.250 inches
Securing Device Type
Washer
Stud Assembly Style
Stud assembly
Distance From Engaging Member To Largest Bearing Surface Of Head
0.795 inches
Eyelet Outside Diameter
0.247 inches
Eyelet Length
0.328 inches
Material Accommodated Thickness
Between 0.330 inches and 0.389 inches
Drive Type
Cross recess
Stud Head Height
0.072 inches
Material
Steel
Surface Treatment
Cadmium ejector spring and chromate ejector spring
Surface Treatment
Cadmium pin and chromate pin
Surface Treatment
Tin eyelet
Surface Treatment
Tin stud
Surface Treatment Specification
Mil-t-10727, type 1 military specification single treatment response eyelet
Surface Treatment Specification
Mil-t-10727, type 1 military specification single treatment response stud
Surface Treatment Specification
Qq-p-416, cl 2, type 2 federal specification single treatment response ejector spring
Surface Treatment Specification
Qq-p-416, cl 2, type 2 federal specification single treatment response pin
27S8 Series Parts
Solicitations
Solicitation Description Qty UOM Close Date
SPE5E817T7954 Stud Assembly, Turnl 672 EA 03/22/2017
SPE5E418T174N Stud Assembly, Turnl 3561 EA 08/01/2018
SPE5E420T5820 Stud Assembly, Turnl 3600 EA 03/05/2020

Pricing and Availability

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27S8-12-1AB Cross Reference
  • 1127008-12