Model: 388D4

Setscrew

Properties:

Thread Class

Thread Direction

Right-hand

Thread Length

1.312 inches

Fastener Length

1.312 inches

Head Style

Headless (setscrew)

Point Length

0.375 inches

Point Diameter

0.510 inches

Point Style

Flat

Internal Drive Style

Hexagon

Thread Diameter

0.625 inches

Width Across Flats

0.312 inches

Thready Qty Per Inch (tpi)

Hardness Rating

27.0 rockwell c and 34.0 rockwell c

Point Chamfer Angle

90.0 degrees

Material

Steel comp 3135

Material Specification

Qq-s-624 federal specification single material response

Surface Treatment

Phosphate

Thread Series Designator

Unc

NSN

5305-00-517-4245

Part Number

388D4

Description

Setscrew

CAGE

56442

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 388D4 NSN 5305-00-517-4245

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