Model: AN531C4R8

Tapping Screw

Properties:

Fastener Length
Between 0.469 inches and 0.500 inches
Head Style
Flat countersunk
Head Diameter
Between 0.200 inches and 0.225 inches
Internal Drive Style
Cross recess type 1
Features Provided
Casehardened
Nonmachine Thread Style
Dog type (type b or c)
Countersink Angle
Between 80.0 degrees and 82.0 degrees
Nonmachine Thread Diameter
0.112 inches
Material
Steel comp 410
NSN
5305-01-359-6307
Part Number
AN531C4R8
Description
Screw,tapping
CAGE
88044

A hardened externally threaded fastener whose thread extends to the bearing surface of the head. The thread may be fluted or otherwise designed to cut or form its own mating thread. Excludes screw, assembled washer.

Part AN531C4R8 NSN 5305-01-359-6307

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
41756
FIIG:
A003B0
Concept No.:
App. Key:
SN
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:
U
ESD:
ESD:
MMAC:
CRITL:
X

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Schedule B and Export
  • Schedule B: 7318140000
  • SITC: 69421
  • End Use: Iron and steel products, other
  • NAICS: 332722
  • USDA: 1

Freight Class: Self-tapping screws of iron or steel

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