Model: 687561-1

Thumbscrew

Properties:

Thread Class
2a
Thread Direction
Right-hand
Thread Length
3.000 inches
Fastener Length
3.440 inches
Head Style
Knurled no. 1
Head Diameter
2.000 inches
Head Height
0.680 inches
Point Length
0.120 inches
Point Style
Flat
Thread Diameter
0.500 inches
Thready Qty Per Inch (tpi)
20
Point Chamfer Angle
45.0 degrees
Material
Copper alloy
Material Specification
Qq-b-626 federal specification single material response
Surface Treatment
Oxide film
Surface Treatment Specification
Mil-f-495 military specification single treatment response
Thread Series Designator
Unf
NSN
5305-01-093-8441
Part Number
687561-1
Description
Thumbscrew
CAGE
96214

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 687561-1 NSN 5305-01-093-8441

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

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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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