Model: 424218

Assembled Washer Screw

Special Features:

W/header point

Properties:

Thread Class

Thread Direction

Right-hand

Thread Length

Between 1.313 inches and 1.438 inches

Fastener Length

Between 1.438 inches and 1.500 inches

Head Style

Hexagon

Head Height

Between 0.270 inches and 0.295 inches

Width Between Flats

Between 0.551 inches and 0.562 inches

Washer Quantity

Internal Drive Style

Slot

Thread Diameter

0.375 inches

Thready Qty Per Inch (tpi)

Hardness Rating

30.0 rockwell c fastener and 40.0 rockwell c fastener

Hardness Rating

40.0 rockwell c primary washer and 50.0 rockwell c primary washer

Primary Washer Outside Diameter

Between 0.640 inches and 0.660 inches

Primary Washer Style

Flat external teeth

Primary Washer Material Thickness

Between 0.032 inches and 0.040 inches

Material

Steel comp 1020 or steel comp 1050

Material Specification

Sae assn standard all material responses

Surface Treatment

Cadmium or zinc

Surface Treatment Specification

Qq-p-416, type 1, cl 3 federal specification 1st treatment response or qq-z-325, type 1, cl 3 federal specification 2nd treatment response

Thread Series Designator

Unc

NSN

5305-00-042-4218

Part Number

424218

Description

Screw,assembled Washer

CAGE

19207

A screw, (as modified) to which has been assembled one or more nonremovable washer(s).

Part 424218 NSN 5305-00-042-4218

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

06660

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