Model: NAS1189E4P14B

Socket Head Cap Screw

Properties:

Thread Class
3a
Thread Direction
Right-hand
Thread Length
Between 0.738 inches and 0.769 inches
Fastener Length
Between 0.844 inches and 0.875 inches
Head Style
Flat countersunk
Head Diameter
0.442 inches
Locking Feature
Patch threads
Internal Drive Style
Cross recess type 1
End Application
F-22 acft
Thread Diameter
0.250 inches
Thready Qty Per Inch (tpi)
28
Countersink Angle
Between 99.0 degrees and 101.0 degrees
Part Name Assigned By Controlling Agency
Screw, machine
Material
Iron alloy 660
Surface Treatment
Passivate
Thread Series Designator
Unjf
NSN
5305-01-521-6306
Part Number
NAS1189E4P14B
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 NAS1189E4P14B NSN 5305-01-521-6306

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:
ESD:
MMAC:
FR
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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