Model: 594401

Socket Head Cap Screw

Properties:

Thread Class

Thread Direction

Right-hand

Thread Length

0.375 inches

Fastener Length

0.750 inches

Head Style

Flat countersunk

Head Diameter

Between 0.485 inches and 0.500 inches

Internal Drive Style

Hexagon

Thread Diameter

0.250 inches

Width Across Flats

0.158 inches

Thready Qty Per Inch (tpi)

Min. Tensile Strength (psi)

140000 pounds per square inch

Countersink Angle

82.0 degrees

Material

Steel comp 4140

Material Specification

Sae assn standard single material response

Thread Series Designator

Unf

NSN

5305-00-145-0605

Part Number

594401

Description

Screw,cap,socket Head

CAGE

21450

An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes items with bevel (conical) heads. See bolt, internal wrenching. Excludes screw, shoulder; and screw, machine.

Part 594401 NSN 5305-00-145-0605

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

16282

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:

Trailers/Vehicles

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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