Model: NAS1189-04T5B

Machine Screw

Properties:

Thread Class
3a
Thread Direction
Right-hand
Thread Length
0.205 inches
Fastener Length
Between 0.281 inches and 0.312 inches
Head Style
Flat countersunk
Head Diameter
Between 0.177 inches and 0.225 inches
Locking Feature
Patch
Internal Drive Style
Torque set
End Application
Ef-18 hornet
Thread Diameter
0.112 inches
Thready Qty Per Inch (tpi)
40
Min. Tensile Strength (psi)
160000 pounds per square inch
Hardness Rating
Between 36.0 rockwell c and 40.0 rockwell c
Countersink Angle
Between 99.0 degrees and 101.0 degrees
Screw Material
Steel comp e4340 and steel comp 4140 and steel comp 8740 and steel comp 8735 and steel comp 6150
Locking Feature Material
Plastic polyamide
Screw Surface Treatment
Cadmium
Screw Surface Treatment Specification
Qq-p-416, ty2cl2 federal specification single treatment response
Thread Series Designator
Unjc
Specification Data
80205-nas1189 professional/industrial association standard
NSN
5305-01-549-2994
Part Number
NAS1189-04T5B
Description
Screw,machine
CAGE

An externally threaded fastener whose threaded portion is of one nominal diameter, no 0 (0.060 in./1.5 mm) or larger, designed to be held or driven with either a wrench or an inserted driver or both (excluding internal socket or internal multiple spline types), in sizes below no. 10 (0.190 in./5 mm). No. 10 and larger sizes must have a head designed for any type inserted driver (excluding internal socket or internal multiple spline types), but may also be designed for external wrenching. A locking feature may be incorporated in the design of the head or threads. Excludes bolt, clevis; bolt, externally relieved body; screw, externally relieved body; and screw, assembled washer. See also, screw, instrument; bolt, machine; bolt, internal wrenching; and screw, cap socket head.

Part NAS1189-04T5B NSN 5305-01-549-2994

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
06657
FIIG:
A500D0
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: 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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