Model: NAS1189-4T8K

Socket Head Cap Screw

Properties:

Thread Class
3a
Thread Direction
Right-hand
Thread Length
0.455 inches
Fastener Length
0.500 inches
Head Style
Flat countersunk
Head Diameter
Between 0.213 inches and 0.225 inches
Internal Drive Style
Offset cruciform (torque set)
Thread Diameter
0.112 inches
Thready Qty Per Inch (tpi)
40
Countersink Angle
100.0 degrees
Material
Steel
Material Specification
Nas498 assn standard single material response
Thread Series Designator
Unjc
NSN
5305-01-536-0753
Part Number
NAS1189-4T8K
Description
Screw,cap,socket Head
CAGE
80205

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 NAS1189-4T8K NSN 5305-01-536-0753

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:
A
ESD:
A
ESD:
A
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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