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

Turnlock Fastener Stud

Model / MPN: 438101-5 | NSN: 5325-01-193-2507
ITAR Registered seal

A pinlike item designed to turn within and be held in place by an eyelet, turnlock fastener; ring, retaining; or the surface of the item it fastens. It is provided with either a cam slot, cam lead threads, or a hold for accommodating a pin. Securing is accomplished by mating with a lockspring, turnlock fastener or receptacle, turnlock fastener. It has either provisions to accommodate a knob or extension or has a head which has provisions to facilitate turning.

Product Details
NATO Stock Number
5325-01-193-2507
Sold in multiples of
5 EA
DEMIL
NO
Grip Length
0.620 inches
Diameter
Between 0.552 inches and 0.563 inches
Securing Device Type
Ring
Minor Diameter
0.345 inches
Turnlock Stud Shank Style
Stud shank
Extension Length
0.300 inches
Turnlock Stud Head Style
Flat fillister
Material Accommodated Thickness
Between 0.501 inches and 0.570 inches
Drive Type
Socket
Stud Thread Size And Series/type Designator
0.250-28 unf
Stud Head Height
Between 0.105 inches and 0.120 inches
Stud Shank Major Diameter
Between 0.3730 inches and 0.3745 inches
Material
Steel comp 4140 or steel comp 8740
Material Specification
Mil-s-5626 military specification 1st material response or mil-s-6049 military specification 2nd material response
Surface Treatment
Cadmium and chromate
Surface Treatment Specification
Qq-p-416, type 2, cl 3 federal specification single treatment response
438101 Series Parts
Solicitations
Solicitation Description Qty UOM Close Date
SPE5E417T8481 Stud, Turnlock Faste 116 EA 04/06/2017
SPE5E418T4780 Stud, Turnlock Faste 201 EA 01/26/2018
SPE5E419T093E Stud, Turnlock Faste 207 EA 07/01/2019

Pricing and Availability

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438101-5 Cross Reference
  • CA17089-6HS
  • FT5075-6