Model: 334S678

Socket Head Cap Screw

Properties:

Thread Class
3a
Thread Direction
Right-hand
Thread Length
0.594 inches
Fastener Length
0.625 inches
Head Style
Flat chamfer
Head Diameter
Between 0.367 inches and 0.375 inches
Head Height
Between 0.244 inches and 0.250 inches
Hole Diameter
0.062 inches
Internal Drive Style
Hexagon
Thread Diameter
0.250 inches
Width Across Flats
0.188 inches
Hole Quantity
4
Hole Type
Drilled
Thready Qty Per Inch (tpi)
20
Hardness Rating
36.0 rockwell c and 43.0 rockwell c
Hole Configuration Style
Round
Material
Steel
Surface Treatment
Cadmium
Thread Series Designator
Unc
Nondefinitive Specification/std Data
C type
NSN
5305-00-530-9249
Part Number
334S678
Description
Screw,cap,socket Head
CAGE
2A659

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 334S678 NSN 5305-00-530-9249

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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