Model: 509440-618C

Socket Head Cap Screw

Properties:

Thread Class
3a
Thread Direction
Right-hand
Thread Length
1.250 inches
Fastener Length
2.250 inches
Head Style
Flat chamfer
Head Diameter
0.563 inches
Head Height
0.375 inches
Internal Drive Style
Hexagon
Thread Diameter
0.375 inches
Width Across Flats
0.375 inches
Thready Qty Per Inch (tpi)
16
Hardness Rating
36.0 rockwell c and 43.0 rockwell c
Material
Steel
Material Specification
Qq-s-633 federal specification 1st material response or mil-s-6098 military specification 2nd material response or mil-s-5000 military specification 3rd material response or mil-s-5626 military specification 4th material response or mil-s-8503 military specification 5th material response
Surface Treatment
Nickel and cadmium
Surface Treatment Specification
Ams 2416 assn standard all treatment responses
Thread Series Designator
Unc
NSN
5305-01-009-1302
Part Number
509440-618C
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 509440-618C NSN 5305-01-009-1302

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:
A
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:
M
SPI No.:
SPI Rev.:
SPC Mkg:
99
LVL_A:
E
LVL_B:
Q

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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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