Model: 420243-1

Setscrew

Properties:

Thread Class

Thread Direction

Right-hand

Thread Length

0.875 inches

Fastener Length

1.312 inches

Head Style

Flat chamfer

Head Diameter

Between 0.921 inches and 0.937 inches

Head Height

Between 0.616 inches and 0.625 inches

Point Length

0.437 inches

Point Diameter

0.500 inches

Point Style

Chamfer dog

Internal Drive Style

Hexagon

Thread Diameter

0.625 inches

Width Across Flats

Between 0.500 inches and 0.505 inches

Thready Qty Per Inch (tpi)

Min. Tensile Strength (psi)

80000 pounds per square inch

Hardness Rating

80.0 rockwell b

Minimum Yield Strength

30000 pounds per square inch

Point Chamfer Angle

45.0 degrees

Part Name Assigned By Controlling Agency

Navy special project

Material

Steel comp 302 or steel comp 304 or steel comp 305 or steel comp 316 or steel comp 384

Material Specification

Fed standard 66, sae 30302, federal standard 1st material response or federal std, sae 30304, federal standard 2nd material response or federal standard 66, sae 30305, federal standard 3rd material response or federal standard 66, sae 30316, federal standard 4th material response or federal standard 66, sae 30384 federal standard 5th material response

Surface Treatment

Passivate

Surface Treatment Specification

Qq-p-35 federal specification single treatment response

Thread Series Designator

Unc

NSN

5305-00-482-8842

Part Number

420243-1

Description

Setscrew

CAGE

80020

An externally threaded device whose threaded portion is of one nominal diameter with or without a head and having a cup, cone, or other type of machined point designed to prevent or restrict relative movement of parts and designed to be driven with either a wrench or inserted driver. A locking feature may be incorporated in the design of the head or threads.

Part 420243-1 NSN 5305-00-482-8842

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

06672

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