Model: 144744

Tapping Screw

Special Features:

Head style, round slot drive

Properties:

Fastener Length
0.750 inches
Head Style
Round
Head Diameter
Between 0.429 inches and 0.457 inches
Head Height
Between 0.155 inches and 0.170 inches
Internal Drive Style
Slot
Features Provided
Casehardened
Nonmachine Thread Style
Gimlet point (type a, ab or ba)
Nonmachine Thread Diameter
0.242 inches
Material
Steel
Surface Treatment
Cadmium
Surface Treatment Specification
Qq-p-416, type 2, class 3 federal specification single treatment response
Nondefinitive Specification/std Data
A type
NSN
5305-00-227-1180
Part Number
144744
Description
Screw,tapping
CAGE
7X677

A hardened externally threaded fastener whose thread extends to the bearing surface of the head. The thread may be fluted or otherwise designed to cut or form its own mating thread. Excludes screw, assembled washer.

Part 144744 NSN 5305-00-227-1180

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
41756
FIIG:
A003B0
Concept No.:
App. Key:
SN
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: 7318140000
  • SITC: 69421
  • End Use: Iron and steel products, other
  • NAICS: 332722
  • USDA: 1

Freight Class: Self-tapping screws of iron or steel

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