Model: A34-370

Thumbscrew

Special Features:

Dull black nickel finish

Properties:

Thread Class
2a
Thread Direction
Right-hand
Thread Length
0.156 inches
Fastener Length
0.375 inches
Head Style
Knurled no. 1
Head Diameter
0.312 inches
Head Height
0.250 inches
Point Style
Flat
Thread Diameter
0.138 inches
Thready Qty Per Inch (tpi)
32
Material
Copper alloy 360
Material Specification
Qq-b-626, 1/2 h federal specification single material response
Surface Treatment
Nickel
Thread Series Designator
Unc
NSN
5305-00-559-8196
Part Number
A34-370
Description
Thumbscrew
CAGE

An externally threaded fastener whose threaded portion is of one nominal diameter. It may have an unthreaded portion with a diameter less than, equal to, or greater than the diameter of the threaded portion. It has either a vertically flattened, circular knurled, or wing type head, all of which are designed for rotation by the thumb and fingers. For items having wrenching facilities such as socket recess, multiple spline or slot heads, use screw (as modified) or bolt (as modified).

Part A34-370 NSN 5305-00-559-8196

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
06673
FIIG:
A003B0
Concept No.:
App. Key:
SR
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:
096630
UFC:
50590
LTL:
70.0
LCL:
70.0
WCC:
713
TCC:
Z
SHC:
9
ACC:
Construction Materials

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Schedule B and Export
  • Schedule B: 7415338550
  • SITC: 69433
  • End Use: Finished metal shapes
  • NAICS: 332722
  • USDA: 1

Freight Class: Other copper screws (not for wood) bolts and nuts

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