Model: MS21318-13B

Drive Screw

Properties:

Fastener Length
Between 0.109 inches and 0.125 inches
Head Style
Round
Head Diameter
Between 0.146 inches and 0.162 inches
Head Height
Between 0.059 inches and 0.069 inches
Pilot Diameter
Between 0.080 inches and 0.083 inches
Pilot Length
Between 0.015 inches and 0.031 inches
Features Provided
Casehardened
Nonmachine Thread Style
Drive screw (type u)
Material
Steel
Surface Treatment
Cadmium
Surface Treatment Specification
Qq-p-416, type 2, class 3 federal specification single treatment response
NSN
5305-00-722-4780
Part Number
MS21318-13B
Description
Screw,drive
CAGE
96906

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 MS21318-13B NSN 5305-00-722-4780

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:
U
ESD:
ESD:
MMAC:
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
093486
UFC:
48950
LTL:
RATING VARIABLE
LCL:
50.0
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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