Model: NAS720-6-4

Assembled Washer Screw

Description:

2a thread class, right-hand , 0.125 inches thread length, 0.218 inches fastener length, pan head style, 0.256 inches head diameter.

Properties:

Thread Class

Thread Direction

Right-hand

Thread Length

Between 0.125 inches and 0.157 inches

Fastener Length

Between 0.218 inches and 0.250 inches

Head Style

Pan

Head Diameter

Between 0.256 inches and 0.270 inches

Head Height

Between 0.072 inches and 0.082 inches

Washer Quantity

Internal Drive Style

Slot

Thread Diameter

0.138 inches

Thready Qty Per Inch (tpi)

Min. Tensile Strength (psi)

55000 pounds per square inch

Secondary Washer Relationship To Primary Washer

Not identical

Secondary Washer Style

Flat

Primary Washer Outside Diameter

0.253 inches

Secondary Washer Outside Diameter

Between 0.253 inches and 0.263 inches

Primary Washer Style

Split helical ring

Primary Washer Material Thickness

0.031 inches

Secondary Washer Material Thickness

Between 0.013 inches and 0.019 inches

Material

Steel comp 1010

Surface Treatment

Cadmium and chromate

Surface Treatment Specification

Qq-p-416, type 2, cl 3 federal specification all treatment responses

Thread Series Designator

Unc

Specification Data

80205-nas720 professional/industrial association standard

NSN

5305-00-004-5326

Part Number

NAS720-6-4

Description

Screw,assembled Washer

CAGE

80205

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

Part NAS720-6-4 NSN 5305-00-004-5326

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:

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