Model: 20Z1770D7

Tapping Screw

Properties:

Fastener Length
0.500 inches
Head Diameter
Between 0.357 inches and 0.373 inches
Head Height
Between 0.122 inches and 0.133 inches
Internal Drive Style
Cross recess type 1
Features Provided
Casehardened
Nonmachine Thread Style
Dog type (type b or c)
Nonmachine Thread Diameter
0.190 inches
Material
Steel
Surface Treatment
Phosphate
NSN
5305-01-174-8214
Part Number
20Z1770D7
Description
Screw,tapping
CAGE
27315

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 20Z1770D7 NSN 5305-01-174-8214

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:
A
ESD:
ESD:
MMAC:
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
093486
UFC:
48950
LTL:
RATING VARIABLE
LCL:
--
WCC:
713
TCC:
Z
SHC:
9
ACC:
Construction Materials

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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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