Model: 13218E0504-51

Assembled Washer Screw

Properties:

Thread Class

Thread Direction

Right-hand

Thread Length

Between 0.188 inches and 0.250 inches

Fastener Length

0.250 inches

Head Style

Hexagon

Head Height

Between 0.172 inches and 0.190 inches

Width Between Flats

Between 0.367 inches and 0.375 inches

Washer Quantity

Internal Drive Style

Slot

Thread Diameter

0.190 inches

Thready Qty Per Inch (tpi)

Min. Tensile Strength (psi)

74000 pounds per square inch

Hardness Rating

80.0 rockwell b and 100.0 rockwell b

Minimum Yield Strength

57000 pounds per square inch

Primary Washer Outside Diameter

Between 0.395 inches and 0.410 inches

Primary Washer Style

Flat external teeth

Primary Washer Material Thickness

Between 0.020 inches and 0.025 inches

Material

Steel

Surface Treatment

Cadmium or zinc

Surface Treatment Specification

Ams 2400 assn standard 1st treatment response or ams 2402 assn standard 2nd treatment response

Thread Series Designator

Unc

NSN

5305-00-363-3990

Part Number

13218E0504-51

Description

Screw,assembled Washer

CAGE

97403

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

Part 13218E0504-51 NSN 5305-00-363-3990

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