Model: 303551

Assembled Washer Screw

Properties:

Thread Class

Thread Direction

Right-hand

Thread Length

0.375 inches

Fastener Length

0.437 inches

Head Style

Pan

Head Diameter

Between 0.357 inches and 0.373 inches

Head Height

Between 0.099 inches and 0.110 inches

Washer Quantity

Internal Drive Style

Slot

Thread Diameter

0.190 inches

Thready Qty Per Inch (tpi)

Primary Washer Outside Diameter

Between 0.370 inches and 0.381 inches

Primary Washer Style

Flat external teeth

Primary Washer Material Thickness

0.020 inches

Material

Stainless steel

Thread Series Designator

Unf

NSN

5305-00-121-8116

Part Number

303551

Description

Screw,assembled Washer

CAGE

32195

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

Part 303551 NSN 5305-00-121-8116

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:

50.0

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