Model: 4-40NCX3-8SKTFLHDCRES

Socket Head Cap Screw

Properties:

Thread Class
3a
Thread Direction
Right-hand
Thread Length
0.375 inches
Fastener Length
0.375 inches
Head Style
Flat countersunk
Head Diameter
Between 0.218 inches and 0.255 inches
Internal Drive Style
Hexagon
Thread Diameter
0.112 inches
Width Across Flats
0.062 inches
Thready Qty Per Inch (tpi)
40
Countersink Angle
Between 80.0 degrees and 84.0 degrees
Material
Stainless steel
Thread Series Designator
Unrc
NSN
5305-01-199-1331
Part Number
4-40NCX3-8SKTFLHDCRES
Description
Screw,cap,socket Head
CAGE
70276

An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes items with bevel (conical) heads. See bolt, internal wrenching. Excludes screw, shoulder; and screw, machine.

Part 4-40NCX3-8SKTFLHDCRES NSN 5305-01-199-1331

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
16282
FIIG:
A003B0
Concept No.:
App. Key:
SC
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: 7318152000
  • SITC: 69421
  • End Use: Iron and steel products, other
  • NAICS: 332722
  • USDA: 1

Freight Class: Bolts and bolts and their nuts or washers exported in the same shipment

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