Model: 3661801-1

Thumbscrew

Special Features:

60 degree radius grove, 0.080 inchdiameter, 0.170 inches from thread endto center of grove; altered item made from cl-23515, cage 99862; next assembly 3661321

Properties:

Thread Class
3a
Thread Direction
Right-hand
Thread Length
Between 0.990 inches and 1.000 inches
Fastener Length
1.500 inches
Head Style
Knurled no. 1
Head Diameter
1.000 inches
Head Height
0.190 inches
Point Length
Between 0.300 inches and 0.320 inches
Point Diameter
Between 0.160 inches and 0.165 inches
Point Style
Chamfer dog
End Application
Pacer dawn
Thread Diameter
0.250 inches
Thready Qty Per Inch (tpi)
20
Point Chamfer Angle
90.0 degrees
Material
Stainless steel
Thread Series Designator
Unc
NSN
5305-01-356-8629
Part Number
3661801-1
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 3661801-1 NSN 5305-01-356-8629

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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