Model: NASM21318

Drive Screw

Special Features:

Screw is not recommended for use in material the thickness of which is less than one diameter of the screw

Properties:

Fastener Length
0.500 inches
Head Style
Round
Head Diameter
Between 0.264 inches and 0.285 inches
Head Height
Between 0.099 inches and 0.111 inches
Pilot Diameter
Between 0.122 inches and 0.126 inches
Pilot Length
0.062 inches
End Application
5895-01-514-7015, communications interface system (cis) (v) 2
Features Provided
Casehardened
Nonmachine Thread Style
Drive screw (type u)
Nonmachine Thread Diameter
0.152 inches
Part Name Assigned By Controlling Agency
Screw, drive, round head, type u, steel, carbon, cadmium plated
Material
Steel
Surface Treatment
Cadmium and chromate
Surface Treatment Specification
Qq-p-416 type 2 cl 3 federal specification all treatment responses
Specification Data
80205 - nas-21318, 25 nov 1998 which replaced ms21318, rev a0./13/65 professional/industrial association specification
NSN
5305-00-850-5841
Part Number
NASM21318
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 NSN 5305-00-850-5841

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:
SX
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
0.2000lbs
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
O
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
E
LVL_B:
Q

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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