Model: NAS334A12

Socket Head Cap Screw

Properties:

Thread Class
3a
Thread Direction
Right-hand
Thread Length
0.469 inches
Fastener Length
1.281 inches
Head Style
Flat countersunk
Head Diameter
Between 0.497 inches and 0.507 inches
Internal Drive Style
Hexagon
Thread Diameter
0.250 inches
Width Across Flats
Between 0.157 inches and 0.159 inches
Thready Qty Per Inch (tpi)
28
Hardness Rating
36.0 rockwell c and 40.0 rockwell c
Minimum Yield Strength
160000 pounds per square inch
Countersink Angle
100.0 degrees
Material
Steel
Surface Treatment
Cadmium
Thread Series Designator
Uns
NSN
5305-00-149-9947
Part Number
NAS334A12
Description
Screw,cap,socket Head
CAGE
80205

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 NAS334A12 NSN 5305-00-149-9947

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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