Model: 43S44640-1330

Socket Head Cap Screw

Properties:

Thread Class
3a
Thread Direction
Right-hand
Thread Length
0.375 inches
Fastener Length
0.375 inches
Head Style
Flat countersunk
Head Diameter
Between 0.307 inches and 0.317 inches
Internal Drive Style
Hexagon
Thread Diameter
0.164 inches
Width Across Flats
Between 0.093 inches and 0.094 inches
Thready Qty Per Inch (tpi)
32
Hardness Rating
36.0 rockwell c and 43.0 rockwell c
Minimum Yield Strength
140000 pounds per square inch
Countersink Angle
Between 80.0 degrees and 82.0 degrees
Material
Steel comp 4135 or steel comp 4137 or steel comp 8640
Material Specification
Qq-s-624 federal specification all material responses
Surface Treatment
Zinc and chromate
Surface Treatment Specification
Qq-z-325, type 2, class 3 federal specification all treatment responses
Thread Series Designator
Unc
Nondefinitive Specification/std Data
1 type and 11 style
NSN
5305-00-637-7215
Part Number
43S44640-1330
Description
Screw,cap,socket Head
CAGE
10001

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 43S44640-1330 NSN 5305-00-637-7215

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

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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