Model: C20520

Pin-rivet

Properties:

Thread Class
3a
Thread Direction
Right-hand
Head Style
Flush countersunk
Shank Diameter
Between 0.279 inches and 0.280 inches
Shank Style
Pin-rivet, tapered, threaded
Head Major Diameter
Between 0.421 inches and 0.426 inches
Tip Diameter
Between 0.241 inches and 0.244 inches
Grip Length
0.625 inches
Thready Qty Per Inch (tpi)
28
Hardness Rating
50.0 rockwell c and 55.0 rockwell c
Thread Size
0.250 inches
Countersink Angle
Between 99.0 degrees and 101.0 degrees
Part Name Assigned By Controlling Agency
Shear threaded pin
Material
Steel comp h11
Material Specification
Ams 6485 assn standard single material response
Surface Treatment
Cadmium or nickel and cadmium
Surface Treatment Specification
Mil-c-8837, ty ii, cl 2 military specification 1st treatment response or ams 2416 assn standard 2nd treatment response
Thread Series Designator
Unjf
NSN
5320-01-524-9944
Part Number
C20520
Description
Pin-rivet
CAGE
81755

A metallic or nonmetallic item, headed at one end, with a cylindrically shaped shank which may be tapered, grooved, or threaded. a locking collar or sleeve may be provided to perform the same holding action as the clinching portion of a conventional rivet. the shank may include an external wrenching facility which breaks off at a predetermined applied torque.

Part C20520 NSN 5320-01-524-9944

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
67165
FIIG:
A528U0
Concept No.:
App. Key:
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: 7318230000
  • SITC: 69422
  • End Use: Finished metal shapes
  • NAICS: 332722
  • USDA: 1

Freight Class: Rivets of iron or steel

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