Model: A91788-6

Setscrew

Properties:

Thread Class

Thread Direction

Right-hand

Thread Length

0.406 inches

Fastener Length

0.625 inches

Head Style

Flat chamfer

Head Diameter

0.563 inches

Head Height

0.375 inches

Point Length

0.219 inches

Point Diameter

0.219 inches

Point Style

Dog

Internal Drive Style

Hexagon

Thread Diameter

0.375 inches

Width Across Flats

0.312 inches

Thready Qty Per Inch (tpi)

Min. Tensile Strength (psi)

120000 pounds per square inch

Hardness Rating

24.0 rockwell c and 30.0 rockwell c

Part Name Assigned By Controlling Agency

Navy special project

Material

Steel comp 4130

Material Specification

Mil-s-6758 cond d2 military specification single material response

Thread Series Designator

Unf

NSN

5305-00-934-0007

Part Number

A91788-6

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 A91788-6 NSN 5305-00-934-0007

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