Model: CA18121-11HS

Turnlock Fastener Stud

Special Features:

Hex recess on head; total length of stud 1.130inches; ultimate shear 1815 lbs through hex recess and 2200 lbs through shank; ultimate tensile 1900 lbs ; heat treated 160ksi per mil-h-6875

Properties:

Grip Length
Between 0.851 inches and 0.920 inches
Diameter
Between 0.394 inches and 0.404 inches
Securing Device Type
Ring
End Application
Radar radome; challenger cl-604
Turnlock Stud Shank Style
Stud shank
Extension Length
Between 0.195 inches and 0.225 inches
Turnlock Stud Head Style
Flat countersunk
Drive Type
Socket
Stud Thread Size And Series/type Designator
0.164-32 unc
Stud Shank Major Diameter
Between 0.211 inches and 0.231 inches
Part Name Assigned By Controlling Agency
Stud nut hold out type
Material
Steel comp 4140 or steel comp 8740
Material Specification
Mil-s-6049 military specification 1st material response or mil-s-5626 military specification 2nd material response
Surface Treatment
Cadmium and chromate
Surface Treatment Specification
Qq-p-416, type 2, class 2 federal specification single treatment response
NSN
5325-01-567-3747
Part Number
CA18121-11HS
Description
Stud,turnlock Fastener
CAGE
29372

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.

Part CA18121-11HS NSN 5325-01-567-3747

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
18421
FIIG:
A05400
Concept No.:
App. Key:
HH
Cond. Code:
1
Status:
A

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
N
PMIC:
A
ESD:
A
ESD:
A
MMAC:
CRITL:
X

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Schedule B and Export
  • Schedule B: 9607190000
  • SITC: 89985
  • End Use: Finished textile supplies
  • NAICS: 339993
  • USDA: 1

Freight Class: Slide fasteners, nesoi

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