Model: A408305-9

Socket Head Cap Screw

Properties:

Thread Class
3a
Thread Direction
Right-hand
Thread Length
Between 0.968 inches and 1.032 inches
Fastener Length
Between 1.234 inches and 1.266 inches
Head Style
Flat chamfer
Head Diameter
0.750 inches
Head Height
Between 0.312 inches and 0.322 inches
Internal Drive Style
Hexagon
Thread Diameter
0.500 inches
Width Across Flats
0.250 inches
Thready Qty Per Inch (tpi)
20
Min. Tensile Strength (psi)
175000 pounds per square inch
Hardness Rating
38.0 rockwell c and 42.0 rockwell c
Hardness Rating
38.0 rockwell c and 42.0 rockwell c
Part Name Assigned By Controlling Agency
Navy special project
Material
Steel comp e4340
Material Specification
Mil-s-5000 military specification single material response
Thread Series Designator
Unf
NSN
5305-00-143-3189
Part Number
A408305-9
Description
Screw,cap,socket Head
CAGE
80020

An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes items with bevel (conical) heads. See bolt, internal wrenching. Excludes screw, shoulder; and screw, machine.

Part A408305-9 NSN 5305-00-143-3189

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
16282
FIIG:
A003B0
Concept No.:
App. Key:
SC
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

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
--
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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