Model: 1900474-21

Assembled Washer Screw

Properties:

Thread Class

Thread Direction

Right-hand

Fastener Length

0.625 inches

Head Style

Pan

Head Diameter

Between 0.256 inches and 0.294 inches

Head Height

Between 0.087 inches and 0.097 inches

Washer Quantity

Internal Drive Style

Cross recess type 1

End Application

Console

Thread Diameter

0.138 inches

Thready Qty Per Inch (tpi)

Secondary Washer Relationship To Primary Washer

Not identical

Secondary Washer Style

Flat

Primary Washer Outside Diameter

0.250 inches

Secondary Washer Outside Diameter

Between 0.302 inches and 0.322 inches

Primary Washer Style

Split helical ring

Primary Washer Material Thickness

0.031 inches

Secondary Washer Material Thickness

Between 0.025 inches and 0.035 inches

Color

Black

Material

Stainless steel

Surface Treatment

Oxide

Thread Series Designator

Unc

NSN

5305-01-522-9506

Part Number

1900474-21

Description

Screw,assembled Washer

CAGE

03956

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

Part 1900474-21 NSN 5305-01-522-9506

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