Model: NAS5403U6

Machine Screw

Properties:

Thread Class
3a
Thread Direction
Right-hand
Thread Length
0.375 inches
Fastener Length
Between 0.345 inches and 0.375 inches
Head Style
Fillister
Head Diameter
Between 0.306 inches and 0.313 inches
Head Height
Between 0.103 inches and 0.118 inches
Internal Drive Style
Tri-wing recess
Thread Diameter
0.190 inches
Thready Qty Per Inch (tpi)
32
Min. Tensile Strength (psi)
160000 pounds per square inch
Screw Material
Iron alloy 660
Screw Material Specification
Ams5731 assn standard single material response or ams5737 assn standard single material response
Screw Surface Treatment
Passivate
Screw Surface Treatment Specification
Nas4003 assn standard single treatment response
Thread Series Designator
Unjf
Specification Data
80205-nas5403 professional/industrial association standard
NSN
5305-01-189-0001
Part Number
NAS5403U6
Description
Screw,machine
CAGE
80205

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 NAS5403U6 NSN 5305-01-189-0001

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:
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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