Secure Ordering: +1 (757) 528-8028

Worldwide distributor of NSN parts and consumables located in the USA.

Turnlock Fastener Stud Assembly

Model / MPN: A500-01-00-50 | NSN: 5325-00-290-3821
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
Sold in multiples of
100 EA
Head Length
Between 0.850 inches and 0.890 inches
Turnlock Stud Head Style
Flat countersunk wing
Stud Assembly Style
Stud assembly
Distance From Engaging Member To Largest Bearing Surface Of Head
Between 0.633 inches and 0.648 inches
Eyelet Outside Diameter
Between 0.341 inches and 0.348 inches
Eyelet Length
0.382 inches
Material Accommodated Thickness
Between 0.261 inches and 0.290 inches
Steel comp 1009 eyelet or steel comp 1050 eyelet or steel comp 1112 eyelet
Steel comp 1009 head
Steel comp 4037 stud
Steel ejector spring
Steel pin
Material Specification
Qq-w-470 federal specification single material response ejector spring
Material Specification
Qq-w-470 federal specification single material response pin
Surface Treatment
Cadmium and chromate
Surface Treatment Specification
Qq-p-416, type 2, cl 2 federal specification all treatment responses
A50001 Series Parts
Solicitation Description Qty UOM Close Date
SPE5E317T2326 Stud Assembly, Turnl 1105 EA 04/06/2017
SPE5E320T2615 Stud Assembly, Turnl 1271 EA 12/06/2019

Pricing and Availability

Send us a request for quote using the form below. Our team will contact you with an up to date pricing and availability quote ASAP.

Email Address:
Phone Number:
Your name:
Privacy    Terms

Certified Quality Assurance  Quality check icon

  •   ISO 9001:2015 + AS9120B
  •   Counterfeit Parts Prevention
  •   100% Product Inspections
  •   7 Year Record Retention
  •   On Time Delivery
  •   HAZMAT Certified
  •   Worldwide Shipping
A500-01-00-50 Cross Reference
  • 4002-8W
  • 4002-8W
  • 8168468
  • 21188-00225