Model: 16686

Setscrew

Properties:

Thread Class

Thread Direction

Right-hand

Thread Length

1.500 inches

Fastener Length

1.500 inches

Head Style

Square

Head Height

Between 0.270 inches and 0.293 inches

Width Between Flats

Between 0.362 inches and 0.375 inches

Point Style

Cup

Internal Drive Style

W/o internal drive

Thread Diameter

0.375 inches

Features Provided

Casehardened

Thready Qty Per Inch (tpi)

Hardness Rating

64.0 rockwell superficial 30-n

Material

Steel comp 1010 or steel comp 1011 or steel comp 1013 or steel comp 1015 or steel comp 1016 or steel comp 1017 or steel comp 1018 or steel comp 1019 or steel comp 1020 or steel comp 1022 or steel comp 1212 or steel comp 1213 or steel comp 1137

Material Specification

66 federal standard all material responses

Surface Treatment

Cadmium

Surface Treatment Specification

Qq-p-416, type 2, cl 3 federal specification single treatment response

Thread Series Designator

Unc

Nondefinitive Specification/std Data

1 type and 4 style

NSN

5305-00-616-8503

Part Number

16686

Description

Setscrew

CAGE

12736

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 16686 NSN 5305-00-616-8503

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:

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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