Model: 3661934-1

Thumbscrew

Special Features:

Next assembly 3661064

Properties:

Thread Class
3a
Thread Direction
Right-hand
Thread Length
Between 0.620 inches and 0.640 inches
Fastener Length
Between 2.100 inches and 2.140 inches
Head Style
Knurled no. 5
Head Diameter
Between 1.230 inches and 1.270 inches
Head Height
1.120 inches
Shoulder Diameter
0.735 inches all shoulders and 0.745 inches all shoulders
Shoulder Length
0.360 inches all shoulders and 0.380 inches all shoulders
Point Style
Flat
End Application
Pacer dawn
Thread Diameter
0.500 inches
Thready Qty Per Inch (tpi)
20
Shoulder Shape
Round all shoulders
Material
Steel comp 630 or steel comp xm-12
Material Specification
Ams5643 assn standard 1st material response and ams5659 assn standard 2nd material response
Surface Treatment
Passivate
Surface Treatment Specification
Qq-p-35 federal specification single treatment response
Thread Series Designator
Unf
NSN
5305-01-356-3666
Part Number
3661934-1
Description
Thumbscrew
CAGE
99193

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 3661934-1 NSN 5305-01-356-3666

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:
A
ESD:
ESD:
MMAC:
CRITL:
X

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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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