Model: 9084389

Thumbscrew

Properties:

Thread Class

Thread Direction

Right-hand

Thread Length

Between 0.468 inches and 0.532 inches

Fastener Length

Between 0.609 inches and 0.641 inches

Head Style

Wing no. 2

Head Height

Between 0.734 inches and 0.766 inches

Width Between Flats

Between 1.234 inches and 1.266 inches

First Diameter From Head

Between 0.172 inches and 0.204 inches

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

Between 0.109 inches and 0.141 inches

Point Style

Flat

Thread Diameter

0.250 inches

Thready Qty Per Inch (tpi)

Material

Steel

Surface Treatment

Cadmium and chromate

Thread Series Designator

Unc

NSN

5305-00-679-0837

Part Number

9084389

Description

Thumbscrew

CAGE

18876

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 9084389 NSN 5305-00-679-0837

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:

Packaging & Shipping

Est. Pack Size

Est. Pack Weight

Est. Item Weight

Est. Item Dim.

Pack Size:

Paclk Weight:

0.1000lbs

Item Weight:

Item Dim:

OPI

SPI No.

SPI Rev.

SPC Mkg.

LVL A

LVL B

OPI:

SPI No.:

SPI Rev.:

SPC Mkg:

LVL_A:

LVL_B:

Freight Classification

NMFC

UFC

LTL

LCL

WCC

TCC

SHC

ACC

NMFC:

093486

UFC:

48950

LTL:

RATING VARIABLE

LCL:

WCC:

713

TCC:

SHC:

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