Model: 666381

Assembled Washer Screw

Properties:

Thread Class

Thread Direction

Right-hand

Fastener Length

Between 0.297 inches and 0.327 inches

Head Style

Fillister

Head Diameter

Between 0.250 inches and 0.270 inches

Head Height

Between 0.126 inches and 0.156 inches

Washer Quantity

Internal Drive Style

Slot

Thread Diameter

0.164 inches

Thready Qty Per Inch (tpi)

Primary Washer Outside Diameter

0.257 inches

Primary Washer Style

Split helical ring

Primary Washer Material Thickness

Between 0.031 inches and 0.041 inches

Material

Steel comp 1008 primary washer or steel comp 1018 primary washer

Material

Steel comp 1008 fastener or steel comp 1018 fastener

Material Specification

66 federal standard all material responses fastener

Material Specification

66 federal standard all material responses primary washer

Surface Treatment

Zinc

Thread Series Designator

Unc

NSN

5305-00-145-0230

Part Number

666381

Description

Screw,assembled Washer

CAGE

58275

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

Part 666381 NSN 5305-00-145-0230

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