Model: 321656-1

Setscrew

Properties:

Thread Direction

Right-hand

Thread Length

1.094 inches

Fastener Length

1.250 inches

Head Style

Headless (setscrew)

Point Length

0.156 inches

Point Diameter

0.469 inches

Point Style

Flat

Internal Drive Style

Hexagon

Thread Diameter

0.625 inches

Width Across Flats

0.312 inches

Thready Qty Per Inch (tpi)

Point Chamfer Angle

45.0 degrees

Part Name Assigned By Controlling Agency

Navy special project

Material

Steel

Material Specification

Mil-s-6758 military specification single material response

Thread Series Designator

Whitworth

NSN

5305-00-702-3351

Part Number

321656-1

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 321656-1 NSN 5305-00-702-3351

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:

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