Model: 72-1228

Assembled Washer Screw

Properties:

Thread Class

Thread Direction

Right-hand

Thread Length

1.250 inches

Fastener Length

1.250 inches

Head Style

Pan

Head Diameter

Between 0.473 inches and 0.492 inches

Head Height

Between 0.162 inches and 0.175 inches

Washer Quantity

Internal Drive Style

Cross recess type 1

Thread Diameter

0.250 inches

Thready Qty Per Inch (tpi)

Primary Washer Outside Diameter

Between 0.494 inches and 0.506 inches

Primary Washer Style

Flat external teeth

Primary Washer Material Thickness

0.042 inches

Material

Steel

Surface Treatment

Nickel

Thread Series Designator

Unc

NSN

5305-00-914-6642

Part Number

72-1228

Description

Screw,assembled Washer

CAGE

47486

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

Part 72-1228 NSN 5305-00-914-6642

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:

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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