Model: NASM21318-8

Drive Screw

Special Features:

size is 0.073 or no. 0, 6 thrds in circumference, recommended hole size=0.067, drill size=51.

Properties:

Fastener Length
0.1875 inches
Head Style
Round
Head Diameter
Between 0.118 inches and 0.127 inches
Head Height
Between 0.041 inches and 0.049 inches
Pilot Diameter
Between 0.060 inches and 0.063 inches
Pilot Length
0.047 inches
End Application
155mm howitzer
Nonmachine Thread Style
Drive screw (type u)
Nonmachine Thread Diameter
0.075 inches
Part Name Assigned By Controlling Agency
Screw, drive, round head, type u, steel, carbon, cadmium plated
Material
Steel
Material Specification
Nas-21318 assn standard all material responses
Surface Treatment
Cadmium
NSN
5305-01-528-4220
Part Number
NASM21318-8
Description
Screw,drive
CAGE
80205

A hardened cylindrical fastener with multiple spiral flutes on its shank. It also has an end smaller in diameter than the outside diameter of the spiral flutes, which acts as a pilot when driven into a drilled hole.

Part NASM21318-8 NSN 5305-01-528-4220

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
15896
FIIG:
A003B0
Concept No.:
App. Key:
SD
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

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
4.5 X 4.3 X 0.2
Paclk Weight:
1.0000lbs
Item Weight:
0.1000lbs
Item Dim:
000300010001
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
M
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
Z
LVL_B:
Z

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: 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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