Model: 228B1-0017

Assembled Washer Screw

Properties:

Thread Class

Thread Direction

Right-hand

Thread Length

Between 0.751 inches and 0.757 inches

Fastener Length

Between 0.844 inches and 0.875 inches

Head Style

Hexagon

Head Height

Between 0.105 inches and 0.120 inches

Width Between Flats

Between 0.305 inches and 0.312 inches

Washer Quantity

Internal Drive Style

Slot

Thread Diameter

0.190 inches

Thready Qty Per Inch (tpi)

Primary Washer Outside Diameter

Between 0.365 inches and 0.381 inches

Primary Washer Style

Flat external teeth

Primary Washer Material Thickness

Between 0.018 inches and 0.024 inches

Material

Steel

Surface Treatment

Cadmium and chromate

Thread Series Designator

Unf

NSN

5305-00-570-3172

Part Number

228B1-0017

Description

Screw,assembled Washer

CAGE

02032

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

Part 228B1-0017 NSN 5305-00-570-3172

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:

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