Model: SM-C-950198

Thumbscrew

Properties:

Thread Class
2a
Thread Direction
Right-hand
Thread Length
Between 0.554 inches and 0.586 inches
Fastener Length
Between 1.859 inches and 1.891 inches
Head Height
Between 0.984 inches and 1.016 inches
Width Between Flats
Between 1.484 inches and 1.516 inches
Point Style
Cone
Thread Diameter
0.312 inches
Thready Qty Per Inch (tpi)
18
Material
Steel comp 302 and steel comp 304
Material Specification
Qq-s-763 federal specification all material responses and qq-s-766 federal specification all material responses
Thread Series Designator
Unc
NSN
5305-01-218-4908
Part Number
SM-C-950198
Description
Thumbscrew
CAGE
80063

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 SM-C-950198 NSN 5305-01-218-4908

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:
093486
UFC:
48950
LTL:
RATING VARIABLE
LCL:
--
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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