Model: 7521-24

Assembled Washer Screw

Properties:

Thread Class

Thread Direction

Right-hand

Thread Length

0.120 inches

Fastener Length

0.156 inches

Head Style

Pan

Head Diameter

Between 0.155 inches and 0.167 inches

Head Height

Between 0.045 inches and 0.053 inches

Washer Quantity

Internal Drive Style

Slot

Thread Diameter

0.086 inches

Thready Qty Per Inch (tpi)

Primary Washer Outside Diameter

Between 0.175 inches and 0.185 inches

Primary Washer Style

Flat internal teeth

Primary Washer Material Thickness

0.012 inches

Material

Steel

Surface Treatment

Paint

Thread Series Designator

Unc

NSN

5305-00-655-9410

Part Number

7521-24

Description

Screw,assembled Washer

CAGE

36470

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

Part 7521-24 NSN 5305-00-655-9410

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:

2.0000lbs

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