Model: 817847-1

Thumbscrew

Special Features:

0.062 in. @min 0.065 in. Max diameter hole drilled in each wing of head 0.062 in. Min 0.065 in. Max diameter hole drilled in unthreaded shank 0.250 in. From bearing surface of head

Properties:

Thread Class

Thread Direction

Right-hand

Thread Length

0.400 inches

Fastener Length

Between 1.355 inches and 1.395 inches

Head Style

Thumb no. 3

Head Height

0.625 inches

Width Between Flats

1.000 inches

First Diameter From Head

0.188 inches

Distance From Largest Bearing Surface Of Head To End Of First Diameter

Between 0.955 inches and 0.995 inches

Point Style

Flat

Thread Diameter

0.250 inches

Thready Qty Per Inch (tpi)

Material

Steel comp 1141

Surface Treatment

Cadmium and chromate

Surface Treatment Specification

Qq-p-416, type 2, cl 3 federal specification single treatment response

Thread Series Designator

Unc

NSN

5305-01-022-1948

Part Number

817847-1

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 817847-1 NSN 5305-01-022-1948

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

06673

FIIG:

A003B0

Concept No.:

App. Key:

Cond. Code:

Status:

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators

HMIC

PMIC

ESD/EMI

ENAC

MMAC

CRITL

HMIC:

PMIC:

ESD:

MMAC:

CRITL:

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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